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OOMAnalyser/OOMAnalyser.py

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Initial commit
2017-11-25 12:52:55 +01:00
# -*- coding: Latin-1 -*-
#
Unify naming
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# Linux OOMAnalyser
Initial commit
2017-11-25 12:52:55 +01:00
#
Update copyright years
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# Copyright (c) 2017-2023 Carsten Grohmann
Update copyright years
2022-01-02 13:35:09 +01:00
# License: MIT (see LICENSE.txt)
# THIS PROGRAM COMES WITH NO WARRANTY
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
import math
Initial commit
2017-11-25 12:52:55 +01:00
import re
Pep8
2017-12-13 07:31:39 +01:00
DEBUG = False
Initial commit
2017-11-25 12:52:55 +01:00
"""Show additional information during the development cycle"""
Start new development cycle
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VERSION = "0.6.0 (devel)"
Add version number to the footer and set the version to "0.1.0"
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"""Version number"""
Initial commit
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Add sorting process table
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# __pragma__ ('skip')
Extent unit tests
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# MOC objects to satisfy statical checker and imports in unit tests
js_undefined = 0
Extend JS MOC objects
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class classList:
Extent unit tests
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def add(self, *args, **kwargs):
pass
def remove(self, *args, **kwargs):
pass
Extend mock objects to satisfy code checker
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def toggle(self, *args, **kwargs):
pass
Extent unit tests
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Extend JS MOC objects
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class document:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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def querySelectorAll(
self,
*args,
):
Extend JS MOC objects
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return [Node()]
Extent unit tests
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Extend mock objects to satisfy code checker
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@staticmethod
def getElementsByClassName(names):
"""
Returns an array-like object of all child elements which have all the given class name(s).
@param names: A string representing the class name(s) to match; multiple class names are separated by whitespace.
@type names: List(str)
Fix minor documentation typo
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@rtype: List(Node)
Extend mock objects to satisfy code checker
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"""
return [Node()]
Use more JS-like syntax for mock objects
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@staticmethod
def getElementById(_id):
"""
Extend mock objects to satisfy code checker
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Returns an object representing the element whose id property matches
Use more JS-like syntax for mock objects
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@type _id: str
@rtype: Node
"""
Extend JS MOC objects
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return Node()
Extent unit tests
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Use more JS-like syntax for mock objects
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@staticmethod
def createElementNS(namespaceURI, qualifiedName, *arg):
"""
Creates an element with the specified namespace URI and qualified name.
@param str namespaceURI: Namespace URI to associate with the element
@param str qualifiedName: Type of element to be created
@rtype: Node
"""
Extend JS MOC objects
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return Node()
Add tooltips to memory SVGs
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Use more JS-like syntax for mock objects
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@staticmethod
def createElement(tagName, *args):
"""
Creates the HTML element specified by tagName.
@param str tagName: Type of element to be created
@rtype: Node
"""
Extend JS MOC objects
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return Node()
Extend JS MOC objects
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Extent unit tests
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Extend JS MOC objects
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class Node:
Extent unit tests
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classList = classList()
Extend mock objects to satisfy code checker
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id = None
Extent unit tests
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offsetWidth = 0
Extend JS MOC objects
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textContent = ""
def __init__(self, nr_children=1):
self.nr_children = nr_children
@property
def firstChild(self):
if self.nr_children:
self.nr_children -= 1
return Node(self.nr_children)
else:
return None
Extent unit tests
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def removeChild(self, *args, **kwargs):
return
Extend JS MOC objects
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def appendChild(self, *args, **kwargs):
return
Rework memory charts to show all items in legend
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def setAttribute(self, *args, **kwargs):
return
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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Extend mock objects to satisfy code checker
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@property
def parentNode(self):
return super().__new__(self)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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Add sorting process table
2020-04-05 14:28:37 +02:00
# __pragma__ ('noskip')
Pep8
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Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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class OOMEntityState:
"""Enum for completeness of the OOM block"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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unknown = 0
Add check/state for empty an OOM block
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empty = 1
invalid = 2
started = 3
complete = 4
Add an enum to track the completeness of an OOM
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Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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class OOMEntityType:
"""Enum for the type of the OOM"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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unknown = 0
automatic = 1
manual = 2
Add analysis why the memory request failed
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class OOMMemoryAllocFailureType:
"""Enum to store the results why the memory allocation could have failed"""
not_started = 0
"""Analysis not started"""
missing_data = 1
"""Missing data to start analysis"""
failed_below_low_watermark = 2
"""Failed, because after satisfying this request, the free memory will be below the low memory watermark"""
failed_no_free_chunks = 3
"""Failed, because no suitable chunk is free in the current or any higher order."""
failed_unknown_reason = 4
"""Failed, but the reason is unknown"""
skipped_high_order_dont_trigger_oom = 5
""""high order" requests don't trigger OOM"""
Add to the right an automatically generated TOC
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def is_visible(element):
return element.offsetWidth > 0 and element.offsetHeight > 0
Initial commit
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def hide_element(element_id):
"""Hide the given HTML element"""
Use CSS classes to control the visibility
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element = document.getElementById(element_id)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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element.classList.add("js-text--display-none")
Initial commit
2017-11-25 12:52:55 +01:00
def show_element(element_id):
"""Show the given HTML element"""
Use CSS classes to control the visibility
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element = document.getElementById(element_id)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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element.classList.remove("js-text--display-none")
Initial commit
2017-11-25 12:52:55 +01:00
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
def hide_elements(selector):
"""Hide all matching elements by adding class js-text--display-none"""
for element in document.querySelectorAll(selector):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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element.classList.add("js-text--display-none")
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
def show_elements(selector):
"""Show all matching elements by removing class js-text--display-none"""
for element in document.querySelectorAll(selector):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
element.classList.remove("js-text--display-none")
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
Initial commit
2017-11-25 12:52:55 +01:00
def toggle(element_id):
"""Toggle the visibility of the given HTML element"""
element = document.getElementById(element_id)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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element.classList.toggle("js-text--display-none")
Initial commit
2017-11-25 12:52:55 +01:00
Escape special characters in notification box
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def escape_html(unsafe):
"""
Escape unsafe HTML entities
@type unsafe: str
@rtype: str
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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return (
unsafe.replace("&", "&amp;")
.replace("<", "&lt;")
.replace(">", "&gt;")
.replace('"', "&quot;")
Escape special characters in notification box
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.replace("'", "&#039;")
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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)
Escape special characters in notification box
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Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
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def debug(msg):
"""Add debug message to the notification box"""
add_to_notifybox("DEBUG", msg)
Initial commit
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def error(msg):
Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
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"""Show the notification box and add the error message"""
add_to_notifybox("ERROR", msg)
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
2017-12-12 19:24:31 +01:00
Add sorting process table
2020-04-05 14:28:37 +02:00
def internal_error(msg):
Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
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"""Show the notification box and add the internal error message"""
add_to_notifybox("INTERNAL ERROR", msg)
Add sorting process table
2020-04-05 14:28:37 +02:00
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
2017-12-12 19:24:31 +01:00
def warning(msg):
Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
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"""Show the notification box and add the warning message"""
add_to_notifybox("WARNING", msg)
Eliminate duplicate code to show the notification box
2019-11-05 20:29:02 +01:00
Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
2023-01-08 11:25:22 +01:00
def add_to_notifybox(prefix, msg):
"""
Escaped and add message to the notification box
If the message has a prefix "ERROR" or "WARNING" the notification box will be shown.
"""
if prefix == "DEBUG":
css_class = "js-notify_box__msg--debug"
elif prefix == "WARNING":
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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css_class = "js-notify_box__msg--warning"
Eliminate duplicate code to show the notification box
2019-11-05 20:29:02 +01:00
else:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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css_class = "js-notify_box__msg--error"
Add debug messages to show in notification box Rename show_notifybox() to add_to_notifybox() to use a more meaningful name.
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if prefix != "DEBUG":
show_element("notify_box")
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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notify_box = document.getElementById("notify_box")
notification = document.createElement("div")
Eliminate duplicate code to show the notification box
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notification.classList.add(css_class)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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notification.innerHTML = "{}: {}<br>".format(prefix, escape_html(msg))
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
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notify_box.appendChild(notification)
Initial commit
2017-11-25 12:52:55 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
class BaseKernelConfig:
"""Base class for all kernel specific configuration"""
Add GFP flags for more kernel releases
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name = "Base configuration for all kernels based on vanilla kernel 3.10"
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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"""Name/description of this kernel configuration"""
Unify ps table column names in class KernelConfig
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Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
EXTRACT_PATTERN = None
"""
Instance specific dictionary of RE pattern to analyse a OOM block for a specific kernel version
Remove trailing whitespaces
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Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
This dict will be filled from EXTRACT_PATTERN_BASE and EXTRACT_PATTERN_OVERLAY during class constructor is executed.
Remove trailing whitespaces
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Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
:type: None|Dict
:see: EXTRACT_PATTERN_BASE and EXTRACT_PATTERN_OVERLAY
"""
EXTRACT_PATTERN_BASE = {
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"invoked oom-killer": (
r"^(?P<trigger_proc_name>[\S ]+) invoked oom-killer: "
r"gfp_mask=(?P<trigger_proc_gfp_mask>0x[a-z0-9]+)(\((?P<trigger_proc_gfp_flags>[A-Z_|]+)\))?, "
r"(nodemask=(?P<trigger_proc_nodemask>([\d,-]+|\(null\))), )?"
r"order=(?P<trigger_proc_order>-?\d+), "
r"oom_score_adj=(?P<trigger_proc_oomscore>\d+)",
Move more configuration to class BaseKernelConfig
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True,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"Trigger process and kernel version": (
r"^CPU: \d+ PID: (?P<trigger_proc_pid>\d+) "
r"Comm: .* (Not tainted|Tainted:.*) "
r"(?P<kernel_version>\d[\w.-]+) #\d",
Move more configuration to class BaseKernelConfig
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True,
),
# split caused by a limited number of iterations during converting PY regex into JS regex
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"Mem-Info (part 1)": (
r"^Mem-Info:.*" r"(?:\n)"
Move more configuration to class BaseKernelConfig
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# first line (starting w/o a space)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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r"^active_anon:(?P<active_anon_pages>\d+) inactive_anon:(?P<inactive_anon_pages>\d+) "
r"isolated_anon:(?P<isolated_anon_pages>\d+)"
r"(?:\n)"
Move more configuration to class BaseKernelConfig
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# remaining lines (w/ leading space)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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r"^ active_file:(?P<active_file_pages>\d+) inactive_file:(?P<inactive_file_pages>\d+) "
r"isolated_file:(?P<isolated_file_pages>\d+)"
r"(?:\n)"
r"^ unevictable:(?P<unevictable_pages>\d+) dirty:(?P<dirty_pages>\d+) writeback:(?P<writeback_pages>\d+) "
r"unstable:(?P<unstable_pages>\d+)",
Move more configuration to class BaseKernelConfig
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True,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Mem-Info (part 2)": (
r"^ slab_reclaimable:(?P<slab_reclaimable_pages>\d+) slab_unreclaimable:(?P<slab_unreclaimable_pages>\d+)"
r"(?:\n)"
r"^ mapped:(?P<mapped_pages>\d+) shmem:(?P<shmem_pages>\d+) pagetables:(?P<pagetables_pages>\d+) "
r"bounce:(?P<bounce_pages>\d+)"
r"(?:\n)"
r"^ free:(?P<free_pages>\d+) free_pcp:(?P<free_pcp_pages>\d+) free_cma:(?P<free_cma_pages>\d+)",
Move more configuration to class BaseKernelConfig
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True,
),
Display missing memory chunks (buddyinfo) again
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"Available memory chunks": (
r"(?P<mem_node_info>(^Node \d+ ((DMA|DMA32|Normal):|(hugepages)).+(\n|$))+)",
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
False,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Page cache": (
r"^(?P<pagecache_total_pages>\d+) total pagecache pages.*$",
Move more configuration to class BaseKernelConfig
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True,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Swap usage information": (
r"^(?P<swap_cache_pages>\d+) pages in swap cache"
r"(?:\n)"
r"^Swap cache stats: add \d+, delete \d+, find \d+\/\d+"
r"(?:\n)"
r"^Free swap = (?P<swap_free_kb>\d+)kB"
r"(?:\n)"
r"^Total swap = (?P<swap_total_kb>\d+)kB",
Move more configuration to class BaseKernelConfig
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False,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Page information": (
r"^(?P<ram_pages>\d+) pages RAM"
r"("
r"(?:\n)"
r"^(?P<highmem_pages>\d+) pages HighMem/MovableOnly"
r")?"
r"(?:\n)"
r"^(?P<reserved_pages>\d+) pages reserved"
r"("
r"(?:\n)"
r"^(?P<cma_pages>\d+) pages cma reserved"
r")?"
r"("
r"(?:\n)"
r"^(?P<pagetablecache_pages>\d+) pages in pagetable cache"
r")?"
r"("
r"(?:\n)"
r"^(?P<hwpoisoned_pages>\d+) pages hwpoisoned"
r")?",
Move more configuration to class BaseKernelConfig
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True,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Process killed by OOM": (
r"^Out of memory: Kill process (?P<killed_proc_pid>\d+) \((?P<killed_proc_name>[\S ]+)\) "
r"score (?P<killed_proc_score>\d+) or sacrifice child",
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
True,
),
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Details of process killed by OOM": (
r"^Killed process \d+ \(.*\)"
r"(, UID \d+,)?"
r" total-vm:(?P<killed_proc_total_vm_kb>\d+)kB, anon-rss:(?P<killed_proc_anon_rss_kb>\d+)kB, "
r"file-rss:(?P<killed_proc_file_rss_kb>\d+)kB, shmem-rss:(?P<killed_proc_shmem_rss_kb>\d+)kB.*",
Move more configuration to class BaseKernelConfig
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True,
),
}
"""
RE pattern to extract information from OOM.
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
The first item is the RE pattern and the second is whether it is mandatory to find this pattern.
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
This dictionary will be copied to EXTRACT_PATTERN during class constructor is executed.
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
:type: dict(tuple(str, bool))
:see: EXTRACT_PATTERN
"""
EXTRACT_PATTERN_OVERLAY = {}
"""
To extend / overwrite parts of EXTRACT_PATTERN in kernel configuration.
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
:type: dict(tuple(str, bool))
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
:see: EXTRACT_PATTERN
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
"""
Add GFP flags for more kernel releases
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# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
Move GFP flags to class KernelConfig
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GFP_FLAGS = {
Add GFP flags for more kernel releases
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#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM"
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},
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
"GFP_HIGHUSER_MOVABLE": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM | __GFP_MOVABLE"
},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KMEMCG": {"value": "___GFP_KMEMCG"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_KMEMCG": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
Move GFP flags to class KernelConfig
2020-10-31 14:45:32 +01:00
}
"""
Definition of GFP flags
The decimal value of a flag will be calculated by evaluating the entries from left to right. Grouping by
parentheses is not supported.
Source: include/linux/gpf.h
@note : This list os probably a mixture of different kernel versions - be carefully
"""
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
gfp_reverse_lookup = []
"""
Sorted list of flags used to do a reverse lookup.
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
This list doesn't contain all flags. It contains the "useful flags" (GFP_*) as
well as "modifier flags" (__GFP_*). "Plain flags" (___GFP_*) are not part of
this list.
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
@type: List(str)
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
@see: _gfp_create_reverse_lookup()
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
"""
Add MAX_ORDER constant
2023-03-01 22:29:15 +01:00
MAX_ORDER = -1
"""
The kernel memory allocator divides physically contiguous memory
blocks into "zones", where each zone is a power of two number of
pages. This option selects the largest power of two that the kernel
keeps in the memory allocator.
This config option is actually maximum order plus one. For example,
a value of 11 means that the largest free memory block is 2^10 pages.
The value will be calculated dynamically based on the numbers of
orders in OOMAnalyser._extract_buddyinfo().
@see: OOMAnalyser._extract_buddyinfo().
"""
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pstable_items = [
"pid",
"uid",
"tgid",
"total_vm_pages",
"rss_pages",
"nr_ptes_pages",
"swapents_pages",
"oom_score_adj",
"name",
"notes",
]
Unify ps table column names in class KernelConfig
2020-10-31 14:40:02 +01:00
"""Elements of the process table"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
PAGE_ALLOC_COSTLY_ORDER = 3
"""
Requests with order > PAGE_ALLOC_COSTLY_ORDER will never trigger the OOM-killer to satisfy the request.
"""
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pstable_html = [
"PID",
"UID",
"TGID",
"Total VM",
"RSS",
"Page Table Entries",
"Swap Entries",
"OOM Adjustment",
"Name",
"Notes",
]
Add support for newer process table format
2021-12-21 20:32:49 +01:00
"""
Headings of the process table columns
"""
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pstable_non_ints = ["pid", "name", "notes"]
Add support for newer process table format
2021-12-21 20:32:49 +01:00
"""Columns that are not converted to an integer"""
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
REC_PROCESS_LINE = re.compile(
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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r"^\[(?P<pid>[ \d]+)\]\s+(?P<uid>\d+)\s+(?P<tgid>\d+)\s+(?P<total_vm_pages>\d+)\s+(?P<rss_pages>\d+)\s+"
r"(?P<nr_ptes_pages>\d+)\s+(?P<swapents_pages>\d+)\s+(?P<oom_score_adj>-?\d+)\s+(?P<name>.+)\s*"
)
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
"""Match content of process table"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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pstable_start = "[ pid ]"
Add support for newer process table format
2021-12-21 20:32:49 +01:00
"""
Pattern to find the start of the process table
Remove trailing whitespaces
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Add support for newer process table format
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:type: str
"""
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
release = (3, 10, "")
"""
Kernel release with this configuration
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
The tuple contains major and minor version as well as a suffix like "-aws" or ".el7."
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
The patch level isn't part of this version tuple, because I don't assume any changes in GFP flags within a patch
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
release.
@see: OOMAnalyser._choose_kernel_config()
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
@type: (int, int, str)
"""
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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rec_oom_begin = re.compile(r"invoked oom-killer:", re.MULTILINE)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""RE to match the first line of an OOM block"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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rec_oom_end = re.compile(r"^Killed process \d+", re.MULTILINE)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""RE to match the last line of an OOM block"""
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
watermark_start = "Node 0 DMA free:"
"""
Pattern to find the start of the memory watermark information
:type: str
"""
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
zoneinfo_start = "Node 0 DMA: "
"""
Pattern to find the start of the memory chunk information (buddyinfo)
:type: str
"""
Add analysis why the memory request failed
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ZONE_TYPES = ["DMA", "DMA32", "Normal", "HighMem", "Movable"]
"""
List of memory zones
@type: List(str)
"""
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
def __init__(self):
super().__init__()
if self.EXTRACT_PATTERN is None:
# Create a copy to prevent modifications on the class dictionary
# TODO replace with self.EXTRACT_PATTERN = self.EXTRACT_PATTERN.copy() after
# https://github.com/QQuick/Transcrypt/issues/716 "dict does not have a copy method" is fixed
self.EXTRACT_PATTERN = {}
self.EXTRACT_PATTERN.update(self.EXTRACT_PATTERN_BASE)
if self.EXTRACT_PATTERN_OVERLAY:
self.EXTRACT_PATTERN.update(self.EXTRACT_PATTERN_OVERLAY)
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
self._gfp_calc_all_values()
self.gfp_reverse_lookup = self._gfp_create_reverse_lookup()
Calculation of memory zones decimal GFP mask The calculation from the decimal value of the CFP mask is more reliable than checking whether the strings "DMA32" and "DMA" are included.
2023-01-23 16:32:46 +01:00
self._check_mandatory_gfp_flags()
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
def _gfp_calc_all_values(self):
"""
Calculate decimal values for all GFP flags and store in in GFP_FLAGS[<flag>]["_value"]
"""
# __pragma__ ('jsiter')
for flag in self.GFP_FLAGS:
value = self._gfp_flag2decimal(flag)
self.GFP_FLAGS[flag]["_value"] = value
# __pragma__ ('nojsiter')
def _gfp_flag2decimal(self, flag):
"""\
Convert a single flag into a decimal value.
The flags can be concatenated with "|" or "~" and negated with "~". The
flags will be processed from left to right. Parentheses are not supported.
"""
if flag not in self.GFP_FLAGS:
error("No definition for flag {} found".format(flag))
return 0
value = self.GFP_FLAGS[flag]["value"]
if isinstance(value, int):
return value
tokenlist = iter(re.split("([|&])", value))
operator = "|" # set to process first flag
negate_rvalue = False
lvalue = 0
while True:
try:
token = next(tokenlist)
except StopIteration:
break
token = token.strip()
if token in ["|", "&"]:
operator = token
continue
if token.startswith("~"):
token = token[1:]
negate_rvalue = True
if token.isdigit():
rvalue = int(token)
elif token.startswith("0x") and token[2:].isdigit():
rvalue = int(token, 16)
else:
# it's not a decimal nor a hexadecimal value - reiterate assuming it's a flag string
rvalue = self._gfp_flag2decimal(token)
if negate_rvalue:
rvalue = ~rvalue
if operator == "|":
lvalue |= rvalue
elif operator == "&":
lvalue &= rvalue
operator = None
negate_rvalue = False
return lvalue
def _gfp_create_reverse_lookup(self):
"""
Create a sorted list of flags used to do a reverse lookup from value to the flag.
@rtype: List(str)
"""
# __pragma__ ('jsiter')
useful = [
key
for key in self.GFP_FLAGS
if key.startswith("GFP") and self.GFP_FLAGS[key]["_value"] != 0
]
useful = sorted(
useful, key=lambda key: self.GFP_FLAGS[key]["_value"], reverse=True
)
modifier = [
key
for key in self.GFP_FLAGS
if key.startswith("__GFP") and self.GFP_FLAGS[key]["_value"] != 0
]
modifier = sorted(
modifier, key=lambda key: self.GFP_FLAGS[key]["_value"], reverse=True
)
# __pragma__ ('nojsiter')
# useful + modifier produces a string with all values concatenated
res = useful
res.extend(modifier)
return res
Calculation of memory zones decimal GFP mask The calculation from the decimal value of the CFP mask is more reliable than checking whether the strings "DMA32" and "DMA" are included.
2023-01-23 16:32:46 +01:00
def _check_mandatory_gfp_flags(self):
"""
Check existance of mandatory flags used in
OOMAnalyser._calc_trigger_process_values() to calculate the memory zone
"""
if "__GFP_DMA" not in self.GFP_FLAGS:
error(
"Missing definition of GFP flag __GFP_DMA for kernel {}.{}.{}".format(
*self.release
)
)
if "__GFP_DMA32" not in self.GFP_FLAGS:
error(
"Missing definition of GFP flag __GFP_DMA for kernel {}.{}.{}".format(
*self.release
)
)
return
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
class KernelConfig_3_10(BaseKernelConfig):
name = "Configuration for Linux kernel 3.10 or later"
release = (3, 10, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM"
},
"GFP_HIGHUSER_MOVABLE": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM | __GFP_MOVABLE"
},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KMEMCG": {"value": "___GFP_KMEMCG"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_KMEMCG": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
}
class KernelConfig_3_10_EL7(KernelConfig_3_10):
# Supported changes:
# * update GFP flags
name = "Configuration for RHEL 7 / CentOS 7 specific Linux kernel (3.10)"
release = (3, 10, ".el7.")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM"
},
"GFP_HIGHUSER_MOVABLE": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM | __GFP_MOVABLE"
},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
}
def __init__(self):
super().__init__()
class KernelConfig_3_16(KernelConfig_3_10):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 3.16 or later"
release = (3, 16, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM"
},
"GFP_HIGHUSER_MOVABLE": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | __GFP_HIGHMEM | __GFP_MOVABLE"
},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
}
class KernelConfig_3_19(KernelConfig_3_16):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 3.19 or later"
release = (3, 19, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
}
class KernelConfig_4_1(KernelConfig_3_19):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.1 or later"
release = (4, 1, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_IOFS": {"value": "__GFP_IO | __GFP_FS"},
"GFP_KERNEL": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_WAIT | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_WAIT"},
"GFP_NOWAIT": {"value": "GFP_ATOMIC & ~__GFP_HIGH"},
"GFP_TEMPORARY": {
"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD"
},
"GFP_USER": {"value": "__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOACCOUNT": {"value": "___GFP_NOACCOUNT"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_NO_KSWAPD": {"value": "___GFP_NO_KSWAPD"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WAIT": {"value": "___GFP_WAIT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_WAIT": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_RECLAIMABLE": {"value": 0x80000},
"___GFP_NOACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_NO_KSWAPD": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
}
class KernelConfig_4_4(KernelConfig_4_1):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.4 or later"
release = (4, 4, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN & ~__GFP_KSWAPD_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOACCOUNT": {"value": "___GFP_NOACCOUNT"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_NOACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x2000000},
}
class KernelConfig_4_5(KernelConfig_4_4):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.5 or later"
release = (4, 5, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN & ~__GFP_KSWAPD_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x2000000},
}
class KernelConfig_4_6(KernelConfig_4_5):
# Supported changes:
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
# * "mm, oom_reaper: report success/failure" (bc448e897b6d24aae32701763b8a1fe15d29fa26)
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# * update GFP flags
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
name = "Configuration for Linux kernel 4.6 or later"
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
release = (4, 6, "")
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x2000000},
}
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
# The "oom_reaper" line is optionally
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
rec_oom_end = re.compile(
r"^((Out of memory.*|Memory cgroup out of memory): Killed process \d+|oom_reaper:)",
re.MULTILINE,
)
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
def __init__(self):
super().__init__()
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
class KernelConfig_4_8(KernelConfig_4_6):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.8 or later"
release = (4, 8, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_OTHER_NODE": {"value": "___GFP_OTHER_NODE"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_OTHER_NODE": {"value": 0x800000},
"___GFP_WRITE": {"value": 0x1000000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x2000000},
}
class KernelConfig_4_9(KernelConfig_4_8):
# Supported changes:
# * "mm: oom: deduplicate victim selection code for memcg and global oom" (7c5f64f84483bd13886348edda8b3e7b799a7fdb)
# * update GFP flags
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
name = "Configuration for Linux kernel 4.9 or later"
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
release = (4, 9, "")
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
EXTRACT_PATTERN_OVERLAY_49 = {
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"Details of process killed by OOM": (
r"^(Out of memory.*|Memory cgroup out of memory): Killed process \d+ \(.*\)"
r"(, UID \d+,)?"
r" total-vm:(?P<killed_proc_total_vm_kb>\d+)kB, anon-rss:(?P<killed_proc_anon_rss_kb>\d+)kB, "
r"file-rss:(?P<killed_proc_file_rss_kb>\d+)kB, shmem-rss:(?P<killed_proc_shmem_rss_kb>\d+)kB.*",
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
True,
),
}
def __init__(self):
super().__init__()
self.EXTRACT_PATTERN.update(self.EXTRACT_PATTERN_OVERLAY_49)
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
class KernelConfig_4_10(KernelConfig_4_9):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.10 or later"
release = (4, 10, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_WRITE": {"value": 0x800000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x1000000},
}
class KernelConfig_4_12(KernelConfig_4_10):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.12 or later"
release = (4, 12, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_REPEAT": {"value": "___GFP_REPEAT"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_REPEAT": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_WRITE": {"value": 0x800000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x1000000},
"___GFP_NOLOCKDEP": {"value": 0x2000000},
}
class KernelConfig_4_13(KernelConfig_4_12):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.13 or later"
release = (4, 13, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TEMPORARY": {
"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_RECLAIMABLE"
},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_RETRY_MAYFAIL": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_WRITE": {"value": 0x800000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x1000000},
"___GFP_NOLOCKDEP": {"value": 0x2000000},
}
class KernelConfig_4_14(KernelConfig_4_13):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.14 or later"
release = (4, 14, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COLD": {"value": "___GFP_COLD"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOTRACK": {"value": "___GFP_NOTRACK"},
"__GFP_NOTRACK_FALSE_POSITIVE": {"value": "__GFP_NOTRACK"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_COLD": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_RETRY_MAYFAIL": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_NOTRACK": {"value": 0x200000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_WRITE": {"value": 0x800000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x1000000},
"___GFP_NOLOCKDEP": {"value": 0x2000000},
}
class KernelConfig_4_15(KernelConfig_4_14):
# Supported changes:
# * mm: consolidate page table accounting (af5b0f6a09e42c9f4fa87735f2a366748767b686)
# * update GFP flags
name = "Configuration for Linux kernel 4.15 or later"
release = (4, 15, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_RETRY_MAYFAIL": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_DIRECT_RECLAIM": {"value": 0x400000},
"___GFP_WRITE": {"value": 0x800000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x1000000},
"___GFP_NOLOCKDEP": {"value": 0x2000000},
}
Add support for newer process table format
2021-12-21 20:32:49 +01:00
# nr_ptes -> pgtables_bytes
# pr_info("[ pid ] uid tgid total_vm rss nr_ptes nr_pmds nr_puds swapents oom_score_adj name\n");
# pr_info("[ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name\n");
REC_PROCESS_LINE = re.compile(
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
r"^\[(?P<pid>[ \d]+)\]\s+(?P<uid>\d+)\s+(?P<tgid>\d+)\s+(?P<total_vm_pages>\d+)\s+(?P<rss_pages>\d+)\s+"
r"(?P<pgtables_bytes>\d+)\s+(?P<swapents_pages>\d+)\s+(?P<oom_score_adj>-?\d+)\s+(?P<name>.+)\s*"
)
Add support for newer process table format
2021-12-21 20:32:49 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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pstable_items = [
"pid",
"uid",
"tgid",
"total_vm_pages",
"rss_pages",
"pgtables_bytes",
"swapents_pages",
"oom_score_adj",
"name",
"notes",
]
Add support for newer process table format
2021-12-21 20:32:49 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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pstable_html = [
"PID",
"UID",
"TGID",
"Total VM",
"RSS",
"Page Table Bytes",
"Swap Entries Pages",
"OOM Adjustment",
"Name",
"Notes",
]
Add support for newer process table format
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Add GFP flags for more kernel releases
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class KernelConfig_4_18(KernelConfig_4_15):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 4.18 or later"
release = (4, 18, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_WRITE": {"value": 0x100},
"___GFP_NOWARN": {"value": 0x200},
"___GFP_RETRY_MAYFAIL": {"value": 0x400},
"___GFP_NOFAIL": {"value": 0x800},
"___GFP_NORETRY": {"value": 0x1000},
"___GFP_MEMALLOC": {"value": 0x2000},
"___GFP_COMP": {"value": 0x4000},
"___GFP_ZERO": {"value": 0x8000},
"___GFP_NOMEMALLOC": {"value": 0x10000},
"___GFP_HARDWALL": {"value": 0x20000},
"___GFP_ATOMIC": {"value": 0x80000},
"___GFP_ACCOUNT": {"value": 0x100000},
"___GFP_DIRECT_RECLAIM": {"value": 0x200000},
"___GFP_KSWAPD_RECLAIM": {"value": 0x400000},
"___GFP_NOLOCKDEP": {"value": 0x800000},
}
class KernelConfig_4_19(KernelConfig_4_18):
# Supported changes:
# * mm, oom: describe task memory unit, larger PID pad (c3b78b11efbb2865433abf9d22c004ffe4a73f5c)
# * update GFP flags
name = "Configuration for Linux kernel 4.19 or later"
release = (4, 19, "")
Add support for newer process table format
2021-12-21 20:32:49 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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pstable_start = "[ pid ]"
Add support for newer process table format
2021-12-21 20:32:49 +01:00
class KernelConfig_5_0(KernelConfig_4_19):
Add GFP flags for more kernel releases
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# Supported changes:
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
# * "mm, oom: reorganize the oom report in dump_header" (ef8444ea01d7442652f8e1b8a8b94278cb57eafd)
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# * update GFP flags
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
name = "Configuration for Linux kernel 5.0 or later"
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
release = (5, 0, "")
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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EXTRACT_PATTERN_OVERLAY_50 = {
# third last line - not integrated yet
# oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/,task=sed,pid=29481,uid=12345
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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"Process killed by OOM": (
r"^Out of memory: Killed process (?P<killed_proc_pid>\d+) \((?P<killed_proc_name>[\S ]+)\) "
r"total-vm:(?P<killed_proc_total_vm_kb>\d+)kB, anon-rss:(?P<killed_proc_anon_rss_kb>\d+)kB, "
r"file-rss:(?P<killed_proc_file_rss_kb>\d+)kB, shmem-rss:(?P<killed_proc_shmem_rss_kb>\d+)kB, "
r"UID:\d+ pgtables:(?P<killed_proc_pgtables>\d+)kB oom_score_adj:(?P<killed_proc_oom_score_adj>\d+)",
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
True,
),
}
def __init__(self):
super().__init__()
self.EXTRACT_PATTERN.update(self.EXTRACT_PATTERN_OVERLAY_50)
Add GFP flags for more kernel releases
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class KernelConfig_5_1(KernelConfig_5_0):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 5.1 or later"
release = (5, 1, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {"value": "GFP_HIGHUSER | __GFP_MOVABLE"},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_ZERO": {"value": 0x100},
"___GFP_ATOMIC": {"value": 0x200},
"___GFP_DIRECT_RECLAIM": {"value": 0x400},
"___GFP_KSWAPD_RECLAIM": {"value": 0x800},
"___GFP_WRITE": {"value": 0x1000},
"___GFP_NOWARN": {"value": 0x2000},
"___GFP_RETRY_MAYFAIL": {"value": 0x4000},
"___GFP_NOFAIL": {"value": 0x8000},
"___GFP_NORETRY": {"value": 0x10000},
"___GFP_MEMALLOC": {"value": 0x20000},
"___GFP_COMP": {"value": 0x40000},
"___GFP_NOMEMALLOC": {"value": 0x80000},
"___GFP_HARDWALL": {"value": 0x100000},
"___GFP_ACCOUNT": {"value": 0x400000},
"___GFP_NOLOCKDEP": {"value": 0x800000},
}
class KernelConfig_5_8(KernelConfig_5_1):
# Supported changes:
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
# * "mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead" (8d92890bd6b8502d6aee4b37430ae6444ade7a8c)
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# * update GFP flags
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
name = "Configuration for Linux kernel 5.8 or later"
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
release = (5, 8, "")
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
EXTRACT_PATTERN_OVERLAY_58 = {
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"Mem-Info (part 1)": (
r"^Mem-Info:.*" r"(?:\n)"
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
# first line (starting w/o a space)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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r"^active_anon:(?P<active_anon_pages>\d+) inactive_anon:(?P<inactive_anon_pages>\d+) "
r"isolated_anon:(?P<isolated_anon_pages>\d+)"
r"(?:\n)"
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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# remaining lines (w/ leading space)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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r"^ active_file:(?P<active_file_pages>\d+) inactive_file:(?P<inactive_file_pages>\d+) "
r"isolated_file:(?P<isolated_file_pages>\d+)"
r"(?:\n)"
r"^ unevictable:(?P<unevictable_pages>\d+) dirty:(?P<dirty_pages>\d+) writeback:(?P<writeback_pages>\d+)",
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
True,
),
}
def __init__(self):
super().__init__()
self.EXTRACT_PATTERN.update(self.EXTRACT_PATTERN_OVERLAY_58)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
class KernelConfig_5_14(KernelConfig_5_8):
# Supported changes:
# * update GFP flags
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
name = "Configuration for Linux kernel 5.14 or later"
release = (5, 14, "")
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {
"value": "GFP_HIGHUSER | __GFP_MOVABLE | __GFP_SKIP_KASAN_POISON"
},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_SKIP_KASAN_POISON": {"value": "___GFP_SKIP_KASAN_POISON"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
"__GFP_ZEROTAGS": {"value": "___GFP_ZEROTAGS"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_ZERO": {"value": 0x100},
"___GFP_ATOMIC": {"value": 0x200},
"___GFP_DIRECT_RECLAIM": {"value": 0x400},
"___GFP_KSWAPD_RECLAIM": {"value": 0x800},
"___GFP_WRITE": {"value": 0x1000},
"___GFP_NOWARN": {"value": 0x2000},
"___GFP_RETRY_MAYFAIL": {"value": 0x4000},
"___GFP_NOFAIL": {"value": 0x8000},
"___GFP_NORETRY": {"value": 0x10000},
"___GFP_MEMALLOC": {"value": 0x20000},
"___GFP_COMP": {"value": 0x40000},
"___GFP_NOMEMALLOC": {"value": 0x80000},
"___GFP_HARDWALL": {"value": 0x100000},
"___GFP_ACCOUNT": {"value": 0x400000},
"___GFP_ZEROTAGS": {"value": 0x800000},
"___GFP_SKIP_KASAN_POISON": {"value": 0x1000000},
"___GFP_NOLOCKDEP": {"value": 0x2000000},
}
class KernelConfig_5_18(KernelConfig_5_14):
# Supported changes:
# * update GFP flags
name = "Configuration for Linux kernel 5.18 or later"
release = (5, 18, "")
# NOTE: These flags are automatically extracted from a gfp.h file.
# Please do not change them manually!
GFP_FLAGS = {
#
#
# Useful GFP flag combinations:
"GFP_ATOMIC": {"value": "__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM"},
"GFP_HIGHUSER": {"value": "GFP_USER | __GFP_HIGHMEM"},
"GFP_HIGHUSER_MOVABLE": {
"value": "GFP_HIGHUSER | __GFP_MOVABLE | __GFP_SKIP_KASAN_POISON"
},
"GFP_KERNEL": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS"},
"GFP_KERNEL_ACCOUNT": {"value": "GFP_KERNEL | __GFP_ACCOUNT"},
"GFP_NOFS": {"value": "__GFP_RECLAIM | __GFP_IO"},
"GFP_NOIO": {"value": "__GFP_RECLAIM"},
"GFP_NOWAIT": {"value": "__GFP_KSWAPD_RECLAIM"},
"GFP_TRANSHUGE": {"value": "GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM"},
"GFP_TRANSHUGE_LIGHT": {
"value": "GFP_HIGHUSER_MOVABLE | __GFP_COMP | __GFP_NOMEMALLOC | __GFP_NOWARN & ~__GFP_RECLAIM"
},
"GFP_USER": {"value": "__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL"},
#
#
# Modifier, mobility and placement hints:
"__GFP_ACCOUNT": {"value": "___GFP_ACCOUNT"},
"__GFP_ATOMIC": {"value": "___GFP_ATOMIC"},
"__GFP_COMP": {"value": "___GFP_COMP"},
"__GFP_DIRECT_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM"},
"__GFP_DMA": {"value": "___GFP_DMA"},
"__GFP_DMA32": {"value": "___GFP_DMA32"},
"__GFP_FS": {"value": "___GFP_FS"},
"__GFP_HARDWALL": {"value": "___GFP_HARDWALL"},
"__GFP_HIGH": {"value": "___GFP_HIGH"},
"__GFP_HIGHMEM": {"value": "___GFP_HIGHMEM"},
"__GFP_IO": {"value": "___GFP_IO"},
"__GFP_KSWAPD_RECLAIM": {"value": "___GFP_KSWAPD_RECLAIM"},
"__GFP_MEMALLOC": {"value": "___GFP_MEMALLOC"},
"__GFP_MOVABLE": {"value": "___GFP_MOVABLE"},
"__GFP_NOFAIL": {"value": "___GFP_NOFAIL"},
"__GFP_NOLOCKDEP": {"value": "___GFP_NOLOCKDEP"},
"__GFP_NOMEMALLOC": {"value": "___GFP_NOMEMALLOC"},
"__GFP_NORETRY": {"value": "___GFP_NORETRY"},
"__GFP_NOWARN": {"value": "___GFP_NOWARN"},
"__GFP_RECLAIM": {"value": "___GFP_DIRECT_RECLAIM | ___GFP_KSWAPD_RECLAIM"},
"__GFP_RECLAIMABLE": {"value": "___GFP_RECLAIMABLE"},
"__GFP_RETRY_MAYFAIL": {"value": "___GFP_RETRY_MAYFAIL"},
"__GFP_SKIP_KASAN_POISON": {"value": "___GFP_SKIP_KASAN_POISON"},
"__GFP_SKIP_KASAN_UNPOISON": {"value": "___GFP_SKIP_KASAN_UNPOISON"},
"__GFP_SKIP_ZERO": {"value": "___GFP_SKIP_ZERO"},
"__GFP_WRITE": {"value": "___GFP_WRITE"},
"__GFP_ZERO": {"value": "___GFP_ZERO"},
"__GFP_ZEROTAGS": {"value": "___GFP_ZEROTAGS"},
#
#
# Plain integer GFP bitmasks (for internal use only):
"___GFP_DMA": {"value": 0x01},
"___GFP_HIGHMEM": {"value": 0x02},
"___GFP_DMA32": {"value": 0x04},
"___GFP_MOVABLE": {"value": 0x08},
"___GFP_RECLAIMABLE": {"value": 0x10},
"___GFP_HIGH": {"value": 0x20},
"___GFP_IO": {"value": 0x40},
"___GFP_FS": {"value": 0x80},
"___GFP_ZERO": {"value": 0x100},
"___GFP_ATOMIC": {"value": 0x200},
"___GFP_DIRECT_RECLAIM": {"value": 0x400},
"___GFP_KSWAPD_RECLAIM": {"value": 0x800},
"___GFP_WRITE": {"value": 0x1000},
"___GFP_NOWARN": {"value": 0x2000},
"___GFP_RETRY_MAYFAIL": {"value": 0x4000},
"___GFP_NOFAIL": {"value": 0x8000},
"___GFP_NORETRY": {"value": 0x10000},
"___GFP_MEMALLOC": {"value": 0x20000},
"___GFP_COMP": {"value": 0x40000},
"___GFP_NOMEMALLOC": {"value": 0x80000},
"___GFP_HARDWALL": {"value": 0x100000},
"___GFP_ACCOUNT": {"value": 0x400000},
"___GFP_ZEROTAGS": {"value": 0x800000},
"___GFP_SKIP_ZERO": {"value": 0x1000000},
"___GFP_SKIP_KASAN_UNPOISON": {"value": 0x2000000},
"___GFP_SKIP_KASAN_POISON": {"value": 0x4000000},
"___GFP_NOLOCKDEP": {"value": 0x8000000},
}
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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AllKernelConfigs = [
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KernelConfig_5_18(),
KernelConfig_5_14(),
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KernelConfig_5_8(),
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KernelConfig_5_1(),
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KernelConfig_5_0(),
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KernelConfig_4_15(),
KernelConfig_4_19(),
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KernelConfig_4_18(),
KernelConfig_4_15(),
KernelConfig_4_14(),
KernelConfig_4_13(),
KernelConfig_4_12(),
KernelConfig_4_10(),
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
KernelConfig_4_9(),
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KernelConfig_4_8(),
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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KernelConfig_4_6(),
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KernelConfig_4_5(),
KernelConfig_4_4(),
KernelConfig_4_1(),
KernelConfig_3_19(),
KernelConfig_3_16(),
KernelConfig_3_10_EL7(),
KernelConfig_3_10(),
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BaseKernelConfig(),
]
"""
Instances of all available kernel configurations.
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Manually sorted from newest to oldest and from specific to general.
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Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
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The last entry in this list is the base configuration as a fallback.
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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"""
Unify ps table column names in class KernelConfig
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Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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class OOMEntity:
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"""Hold whole OOM message block and provide access"""
Update docstrings
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Use a more speaking name for the index in OOM class
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current_line = 0
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"""Zero based index of the current line in self.lines"""
Initial commit
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lines = []
Update docstrings
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"""OOM text as list of lines"""
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
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Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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state = OOMEntityState.unknown
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
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"""State of the OOM after initial parsing"""
Initial commit
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Update docstrings
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text = ""
"""OOM as text"""
Initial commit
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def __init__(self, text):
# use Unix LF only
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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text = text.replace("\r\n", "\n")
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text = text.strip()
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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oom_lines = text.split("\n")
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self.current_line = 0
self.lines = oom_lines
self.text = text
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# don't do anything if the text is empty or does not contain the leading OOM message
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if not text:
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self.state = OOMEntityState.empty
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return
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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elif "invoked oom-killer:" not in text:
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self.state = OOMEntityState.invalid
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return
oom_lines = self._remove_non_oom_lines(oom_lines)
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oom_lines = self._remove_kernel_colon(oom_lines)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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cols_to_strip = self._number_of_columns_to_strip(
oom_lines[self._get_CPU_index(oom_lines)]
)
oom_lines = self._journalctl_add_leading_columns_to_meminfo(
oom_lines, cols_to_strip
)
Fix finding line with "CPU:" The line is used to calculate the number of leading columns to remove. Depending on the OOM version the pattern is on second or third oom line.
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oom_lines = self._strip_needless_columns(oom_lines, cols_to_strip)
Fix the order of processing #012/LF Remove unnecessary columns first and unwind #012 (octal replacement of LF) second. Otherwise, important content would be lost.
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oom_lines = self._rsyslog_unescape_lf(oom_lines)
Initial commit
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Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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self.lines = oom_lines
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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self.text = "\n".join(oom_lines)
Initial commit
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Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if "Killed process" in text:
Use a better describung name for class OOMState and rename it to OOMEntityState
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self.state = OOMEntityState.complete
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else:
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self.state = OOMEntityState.started
Initial commit
2017-11-25 12:52:55 +01:00
Add support for journalctl output The lines in the "Mem-Info:" block start with spaces instead of date / time / hostname. As a result, removing the needless columns no longer works correctly. Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-11-29 20:59:14 +01:00
def _journalctl_add_leading_columns_to_meminfo(self, oom_lines, cols_to_add):
"""
Add leading columns to handle line breaks in journalctl output correctly.
The output of the "Mem-Info:" block contains line breaks. journalctl breaks these lines accordingly, but
inserts at the beginning spaces instead of date and time. As a result, removing the needless columns no longer
works correctly.
This function adds columns back in the affected rows so that the removal works cleanly over all rows.
@see: _rsyslog_unescape_lf()
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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pattern = r"^\s+ (active_file|unevictable|slab_reclaimable|mapped|free):.+$"
Add support for journalctl output The lines in the "Mem-Info:" block start with spaces instead of date / time / hostname. As a result, removing the needless columns no longer works correctly. Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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rec = re.compile(pattern)
add_cols = ""
for i in range(cols_to_add):
add_cols += "Col{} ".format(i)
expanded_lines = []
for line in oom_lines:
match = rec.search(line)
if match:
line = "{} {}".format(add_cols, line.strip())
expanded_lines.append(line)
return expanded_lines
Fix finding line with "CPU:" The line is used to calculate the number of leading columns to remove. Depending on the OOM version the pattern is on second or third oom line.
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def _get_CPU_index(self, lines):
"""
Return the index of the first line with "CPU: "
Depending on the OOM version the "CPU: " pattern is in second or third oom line.
"""
for i in range(len(lines)):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if "CPU: " in lines[i]:
Fix finding line with "CPU:" The line is used to calculate the number of leading columns to remove. Depending on the OOM version the pattern is on second or third oom line.
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return i
return 0
def _number_of_columns_to_strip(self, line):
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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"""
Determinate number of columns left to the OOM message to strip.
Sometime timestamps, hostnames and or syslog tags are left to the OOM message. This columns will be count to
strip later.
"""
to_strip = 0
Fix finding line with "CPU:" The line is used to calculate the number of leading columns to remove. Depending on the OOM version the pattern is on second or third oom line.
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columns = line.split(" ")
Fix to allow process names with spaces
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# Examples:
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# [11686.888109] CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
# Apr 01 14:13:32 mysrv kernel: CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
# Apr 01 14:13:32 mysrv kernel: [11686.888109] CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
try:
Rework removal of unused information The columns left to the oom are not used. With this change, the algorithm becomes more robust and can better handle known special cases like "kernel:<processname>".
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# strip all excl. "CPU:"
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if "CPU:" in line:
Rework removal of unused information The columns left to the oom are not used. With this change, the algorithm becomes more robust and can better handle known special cases like "kernel:<processname>".
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to_strip = columns.index("CPU:")
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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except ValueError:
pass
return to_strip
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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def _remove_non_oom_lines(self, oom_lines):
"""Remove all lines before and after OOM message block"""
cleaned_lines = []
in_oom_lines = False
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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killed_process = False
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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for line in oom_lines:
# first line of the oom message block
Initial commit
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if "invoked oom-killer:" in line:
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in_oom_lines = True
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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if in_oom_lines:
cleaned_lines.append(line)
Initial commit
2017-11-25 12:52:55 +01:00
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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# OOM blocks ends with the second last only or both lines
# Out of memory: Killed process ...
# oom_reaper: reaped process ...
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if "Killed process" in line:
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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killed_process = True
continue
# next line after "Killed process \d+ ..."
if killed_process:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if "oom_reaper" in line:
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
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break
else:
# remove this line
del cleaned_lines[-1]
break
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
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return cleaned_lines
Unescape line feeds escaped by rsyslog
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def _rsyslog_unescape_lf(self, oom_lines):
"""
Add support for journalctl output The lines in the "Mem-Info:" block start with spaces instead of date / time / hostname. As a result, removing the needless columns no longer works correctly. Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-11-29 20:59:14 +01:00
Split lines at '#012' (octal representation of LF).
The output of the "Mem-Info:" block contains line breaks. Rsyslog replaces these line breaks with their octal
representation #012. This breaks the removal of needless columns as well as the detection of the OOM values.
Splitting the lines (again) solves this issue.
Unescape line feeds escaped by rsyslog
2019-11-04 21:04:23 +01:00
This feature can be controlled inside the rsyslog configuration with the directives
$EscapeControlCharactersOnReceive, $Escape8BitCharactersOnReceive and $ControlCharactersEscapePrefix.
Add support for journalctl output The lines in the "Mem-Info:" block start with spaces instead of date / time / hostname. As a result, removing the needless columns no longer works correctly. Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-11-29 20:59:14 +01:00
@see: _journalctl_add_leading_columns_to_meminfo()
Unescape line feeds escaped by rsyslog
2019-11-04 21:04:23 +01:00
"""
lines = []
for line in oom_lines:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if "#012" in line:
lines.extend(line.split("#012"))
Unescape line feeds escaped by rsyslog
2019-11-04 21:04:23 +01:00
else:
lines.append(line)
return lines
Rework removal of unused information The columns left to the oom are not used. With this change, the algorithm becomes more robust and can better handle known special cases like "kernel:<processname>".
2021-07-24 00:28:38 +02:00
def _remove_kernel_colon(self, oom_lines):
"""
Remove the "kernel:" pattern w/o leading and tailing spaces.
Some OOM messages don't have a space between "kernel:" and the process name. _strip_needless_columns() will
fail in such cases. Therefore the pattern is removed.
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
oom_lines = [i.replace("kernel:", "") for i in oom_lines]
Rework removal of unused information The columns left to the oom are not used. With this change, the algorithm becomes more robust and can better handle known special cases like "kernel:<processname>".
2021-07-24 00:28:38 +02:00
return oom_lines
Fix finding line with "CPU:" The line is used to calculate the number of leading columns to remove. Depending on the OOM version the pattern is on second or third oom line.
2021-11-29 14:03:45 +01:00
def _strip_needless_columns(self, oom_lines, cols_to_strip=0):
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
"""
Remove needless columns at the start of every line.
Initial commit
2017-11-25 12:52:55 +01:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
This function removes all leading items w/o any relation to the OOM message like, date and time, hostname,
syslog priority/facility.
"""
stripped_lines = []
for line in oom_lines:
Initial commit
2017-11-25 12:52:55 +01:00
# remove empty lines
if not line.strip():
continue
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
if cols_to_strip:
Use negative slicing with operator overloading Positive numbers in slices works well, but for negative numbers you have to activate operator overloading. This has a (unknown) speed penalty.
2019-12-03 06:54:27 +01:00
# [-1] slicing needs Transcrypt operator overloading
Pep8
2020-10-30 20:58:57 +01:00
line = line.split(" ", cols_to_strip)[-1] # __:opov
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
stripped_lines.append(line)
Improve check for entered OOM The user input will be checked more detailed. Based on that a warning or an error message will be shown.
2017-12-12 19:24:31 +01:00
Strip columns left to the message automatically Just count the columns leftside of the OOM message instead of defining their format/content and position. This is more flexible.
2019-11-01 21:38:34 +01:00
return stripped_lines
Initial commit
2017-11-25 12:52:55 +01:00
def back(self):
"""Return the previous line"""
Use a more speaking name for the index in OOM class
2018-08-27 20:02:06 +02:00
if self.current_line - 1 < 0:
Initial commit
2017-11-25 12:52:55 +01:00
raise StopIteration()
Use a more speaking name for the index in OOM class
2018-08-27 20:02:06 +02:00
self.current_line -= 1
return self.lines[self.current_line]
Initial commit
2017-11-25 12:52:55 +01:00
def current(self):
"""Return the current line"""
Use a more speaking name for the index in OOM class
2018-08-27 20:02:06 +02:00
return self.lines[self.current_line]
Initial commit
2017-11-25 12:52:55 +01:00
def next(self):
"""Return the next line"""
Use a more speaking name for the index in OOM class
2018-08-27 20:02:06 +02:00
if self.current_line + 1 < len(self.lines):
self.current_line += 1
return self.lines[self.current_line]
Initial commit
2017-11-25 12:52:55 +01:00
raise StopIteration()
def find_text(self, pattern):
"""
Search the pattern and set the position to the first found line.
Otherwise the position pointer won't be changed.
Typos
2020-01-05 00:52:13 +01:00
:param pattern: Text to find
Initial commit
2017-11-25 12:52:55 +01:00
:type pattern: str
:return: True if the marker has found.
"""
for line in self.lines:
if pattern in line:
Use a more speaking name for the index in OOM class
2018-08-27 20:02:06 +02:00
self.current_line = self.lines.index(line)
Initial commit
2017-11-25 12:52:55 +01:00
return True
return False
def __iter__(self):
return self
def __next__(self):
return self.next()
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
class OOMResult:
"""Results of an OOM analysis"""
details = {}
"""Extracted result"""
Add analysis why the memory request failed
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error_msg = ""
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
Error message
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
@type: str
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
kconfig = BaseKernelConfig()
"""Kernel configuration"""
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
kversion = None
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
Kernel version
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
@type: str
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
mem_alloc_failure = OOMMemoryAllocFailureType.not_started
"""State/result of the memory allocation failure analysis
@see: OOMAnalyser._analyse_alloc_failure()
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Add check for heavy memory fragmentation
2023-03-07 21:48:23 +01:00
mem_fragmented = None
"""True if the memory is heavily fragmented. This means that the higher order has no free chunks.
@see: BaseKernelConfig.PAGE_ALLOC_COSTLY_ORDER, OOMAnalyser._check_for_memory_fragmentation()
@type: None | bool
"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
oom_entity = None
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Add analysis why the memory request failed
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State of this OOM (unknown, incomplete, ...)
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
:type: OOMEntityState
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
oom_text = None
"""
OOM text
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
@type: str
"""
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
oom_type = OOMEntityType.unknown
"""
Type of this OOM (manually or automatically triggered)
:type: OOMEntityType
"""
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
swap_active = False
"""
Swap space active or inactive
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
@type: bool
"""
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
class OOMAnalyser:
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
"""Analyse an OOM object and calculate additional values"""
Initial commit
2017-11-25 12:52:55 +01:00
Use a better describing name for OOMAnalyser.oom
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oom_entity = None
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
State of this OOM (unknown, incomplete, ...)
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
:type: OOMEntityState
"""
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
oom_result = OOMResult()
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Store details of OOM analysis
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
:type: OOMResult
"""
Initial commit
2017-11-25 12:52:55 +01:00
Move RE to extract kversion to class variable
2022-07-15 21:50:11 +02:00
REC_KERNEL_VERSION = re.compile(
r"CPU: \d+ PID: \d+ Comm: .* (Not tainted|Tainted: [A-Z ]+) (?P<kernel_version>\d[\w.-]+) #.+"
)
"""RE to match the OOM line with kernel version"""
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
REC_FREE_MEMORY_CHUNKS = re.compile(
Extract free memory of each node from buddy info
2023-01-14 15:58:29 +01:00
"Node (?P<node>\d+) (?P<zone>DMA|DMA32|Normal): (?P<zone_usage>.*) = (?P<total_free_kb_per_node>\d+)kB"
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
)
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
"""RE to extract free memory chunks of a memor zone"""
REC_WATERMARK = re.compile(
"Node (?P<node>\d+) (?P<zone>DMA|DMA32|Normal) "
"free:(?P<free>\d+)kB "
"min:(?P<min>\d+)kB "
"low:(?P<low>\d+)kB "
"high:(?P<high>\d+)kB "
".*"
)
"""RE to extract watermark information in a memory zone"""
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
def __init__(self, oom):
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
self.oom_entity = oom
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result = OOMResult()
def _identify_kernel_version(self):
"""
Identify the used kernel version and
@rtype: bool
"""
Move RE to extract kversion to class variable
2022-07-15 21:50:11 +02:00
match = self.REC_KERNEL_VERSION.search(self.oom_entity.text)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
if not match:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.error_msg = "Failed to extract kernel version from OOM text"
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return False
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.kversion = match.group("kernel_version")
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return True
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
rec_split_kversion = re.compile(
r"(?P<kernel_version>"
r"(?P<major>\d+)\.(?P<minor>\d+)" # major . minor
r"(\.\d+)?" # optional: patch level
r"(-[\w.-]+)?" # optional: -rc6, -arch-1, -19-generic
r")"
)
"""
RE for splitting the kernel version into parts
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
Examples:
- 5.19-rc6
- 4.14.288
- 5.18.6-arch1-1
- 5.13.0-19-generic #19-Ubuntu
- 5.13.0-1028-aws #31~20.04.1-Ubuntu
- 3.10.0-514.6.1.el7.x86_64 #1
"""
def _check_kversion_greater_equal(self, kversion, min_version):
"""
Returns True if the kernel version is greater or equal to the minimum version
@param str kversion: Kernel version
@param (int, int, str) min_version: Minimum version
@rtype: bool
"""
match = self.rec_split_kversion.match(kversion)
if not match:
self.oom_result.error_msg = (
'Failed to extract version details from version string "%s"' % kversion
)
return False
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
required_major = min_version[0]
required_minor = min_version[1]
suffix = min_version[2]
current_major = int(match.group("major"))
current_minor = int(match.group("minor"))
if (required_major > current_major) or (
required_major == current_major and required_minor > current_minor
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
):
return False
if bool(suffix) and (suffix not in kversion):
return False
return True
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
def _choose_kernel_config(self):
"""
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
Choose the first matching kernel configuration from AllKernelConfigs
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
@see: _check_kversion_greater_equal(), AllKernelConfigs
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
for kcfg in AllKernelConfigs:
Rework choosing the right kernel config This change uses a tuple of major version, minor version, and suffix to specify the kernel version to which the configuration matches. This is simpler than the previously used regular expressions.
2022-07-20 20:49:20 +02:00
if self._check_kversion_greater_equal(
self.oom_result.kversion, kcfg.release
):
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.kconfig = kcfg
break
if not self.oom_result.kconfig:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
warning(
'Failed to find a proper configuration for kernel "{}"'.format(
self.oom_result.kversion
)
)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.kconfig = BaseKernelConfig()
Remove unused return code in OOMAnalyser._choose_kernel_config()
2022-11-19 11:45:51 +01:00
return
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
def _check_for_empty_oom(self):
"""
Check for an empty OOM text
@rtype: bool
"""
if not self.oom_entity.text:
self.state = OOMEntityState.empty
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.error_msg = (
"Empty OOM text. Please insert an OOM message block."
)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return False
return True
def _check_for_complete_oom(self):
"""
Check if the OOM in self.oom_entity is complete and update self.oom_state accordingly
@rtype: bool
"""
self.oom_state = OOMEntityState.unknown
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.error_msg = "Unknown OOM format"
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
if not self.oom_result.kconfig.rec_oom_begin.search(self.oom_entity.text):
self.state = OOMEntityState.invalid
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.error_msg = "The inserted text is not a valid OOM block! The initial pattern was not found!"
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return False
if not self.oom_result.kconfig.rec_oom_end.search(self.oom_entity.text):
self.state = OOMEntityState.started
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.error_msg = (
"The inserted OOM is incomplete! The initial pattern was found but not the "
"final."
)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return False
self.state = OOMEntityState.complete
self.oom_result.error_msg = None
return True
Add version number to the footer and set the version to "0.1.0"
2017-11-27 21:05:31 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
def _extract_block_from_next_pos(self, marker):
Initial commit
2017-11-25 12:52:55 +01:00
"""
Rework extracting a block from the OOM
2021-07-21 21:43:16 +02:00
Extract a block that starts with the marker and contains all lines up to the next line with ":".
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
:rtype: str
Initial commit
2017-11-25 12:52:55 +01:00
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
block = ""
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
if not self.oom_entity.find_text(marker):
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
return block
Display "<not found>" for all values that are not part of the OOM
2018-04-15 20:54:24 +02:00
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
line = self.oom_entity.current()
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
block += "{}\n".format(line)
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
for line in self.oom_entity:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if ":" in line:
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
self.oom_entity.back()
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
break
block += "{}\n".format(line)
return block
Initial commit
2017-11-25 12:52:55 +01:00
Move extracting GPF flags to own function
2022-06-28 20:38:51 +02:00
def _extract_gpf_mask(self):
"""Extract the GFP (Get Free Pages) mask"""
if self.oom_result.details["trigger_proc_gfp_flags"] is not None:
flags = self.oom_result.details["trigger_proc_gfp_flags"]
else:
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
flags, unknown = self._gfp_hex2flags(
Move extracting GPF flags to own function
2022-06-28 20:38:51 +02:00
self.oom_result.details["trigger_proc_gfp_mask"],
)
if unknown:
flags.append("0x{0:x}".format(unknown))
flags = " | ".join(flags)
Calculation of memory zones decimal GFP mask The calculation from the decimal value of the CFP mask is more reliable than checking whether the strings "DMA32" and "DMA" are included.
2023-01-23 16:32:46 +01:00
self.oom_result.details["_trigger_proc_gfp_mask_decimal"] = int(
self.oom_result.details["trigger_proc_gfp_mask"], 16
)
Move extracting GPF flags to own function
2022-06-28 20:38:51 +02:00
self.oom_result.details["trigger_proc_gfp_mask"] = "{} ({})".format(
self.oom_result.details["trigger_proc_gfp_mask"], flags
)
# already fully processed and no own element to display -> delete otherwise an error msg will be shown
del self.oom_result.details["trigger_proc_gfp_flags"]
Add GFP flags for more kernel releases
2022-08-10 21:24:02 +02:00
# TODO: Add check if given trigger_proc_gfp_flags is equal with calculated flags
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
def _extract_from_oom_text(self):
"""Extract details from OOM message text"""
Initial commit
2017-11-25 12:52:55 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.details = {}
Restructure regex for better error messages
2021-09-14 20:18:37 +02:00
# __pragma__ ('jsiter')
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
for k in self.oom_result.kconfig.EXTRACT_PATTERN:
pattern, is_mandatory = self.oom_result.kconfig.EXTRACT_PATTERN[k]
Restructure regex for better error messages
2021-09-14 20:18:37 +02:00
rec = re.compile(pattern, re.MULTILINE)
Use a better describing name for OOMAnalyser.oom
2019-11-12 21:05:42 +01:00
match = rec.search(self.oom_entity.text)
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
if match:
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.details.update(match.groupdict())
Restructure regex for better error messages
2021-09-14 20:18:37 +02:00
elif is_mandatory:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
error(
'Failed to extract information from OOM text. The regular expression "{}" (pattern "{}") '
"does not find anything. This can lead to errors later on.".format(
k, pattern
)
)
Restructure regex for better error messages
2021-09-14 20:18:37 +02:00
# __pragma__ ('nojsiter')
Hide table rows w/o values instead of showing "<not found>"
2018-04-16 21:06:20 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if self.oom_result.details["trigger_proc_order"] == "-1":
Add support for manually triggered OOM Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-04 20:46:43 +02:00
self.oom_result.oom_type = OOMEntityType.manual
else:
self.oom_result.oom_type = OOMEntityType.automatic
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details["hardware_info"] = self._extract_block_from_next_pos(
"Hardware name:"
)
Remove "Call Trace" line of kernel stack trace The kernel stack trace started with a line "Call Trace:". This line will be removed from the output. Leading spaces are stripped to adjust the output.
2017-12-19 07:35:49 +01:00
# strip "Call Trace" line at beginning and remove leading spaces
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
call_trace = ""
block = self._extract_block_from_next_pos("Call Trace:")
for line in block.split("\n"):
if line.startswith("Call Trace"):
Remove "Call Trace" line of kernel stack trace The kernel stack trace started with a line "Call Trace:". This line will be removed from the output. Leading spaces are stripped to adjust the output.
2017-12-19 07:35:49 +01:00
continue
call_trace += "{}\n".format(line.strip())
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details["call_trace"] = call_trace
Initial commit
2017-11-25 12:52:55 +01:00
Add support for newer process table format
2021-12-21 20:32:49 +01:00
self._extract_pstable()
Move extracting GPF flags to own function
2022-06-28 20:38:51 +02:00
self._extract_gpf_mask()
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
self._extract_buddyinfo()
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
self._extract_watermarks()
Add support for newer process table format
2021-12-21 20:32:49 +01:00
def _extract_pstable(self):
"""Extract process table"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details["_pstable"] = {}
Add support for newer process table format
2021-12-21 20:32:49 +01:00
self.oom_entity.find_text(self.oom_result.kconfig.pstable_start)
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
for line in self.oom_entity:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if not line.startswith("["):
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
break
Add support for newer process table format
2021-12-21 20:32:49 +01:00
if line.startswith(self.oom_result.kconfig.pstable_start):
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
continue
Move more configuration to class BaseKernelConfig
2021-10-09 23:18:32 +02:00
match = self.oom_result.kconfig.REC_PROCESS_LINE.match(line)
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
if match:
details = match.groupdict()
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
details["notes"] = ""
pid = details.pop("pid")
self.oom_result.details["_pstable"][pid] = {}
self.oom_result.details["_pstable"][pid].update(details)
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
def _extract_buddyinfo(self):
"""Extract information about free areas in all zones
The migration types "(UEM)" or similar are not evaluated. They are documented in
mm/page_alloc.c:show_migration_types().
This function fills:
Extract free memory of each node from buddy info
2023-01-14 15:58:29 +01:00
* OOMResult.details["_buddyinfo"] with [<zone>][<order>][<node>] = <number of free chunks>
* OOMResult.details["_buddyinfo"] with [zone]["total_free_kb_per_node"][node] = int(total_free_kb_per_node)
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
* OOMResult.details["_buddyinfo_pagesize_kb"] with the extracted page size
"""
self.oom_result.details["_buddyinfo"] = {}
self.oom_result.details["_buddyinfo_pagesize_kb"] = None
buddy_info = self.oom_result.details["_buddyinfo"]
self.oom_entity.find_text(self.oom_result.kconfig.zoneinfo_start)
# Currently omm_entity point to the first line of the buddyinfo.
# The iterator protocol uses the next() call. However, this will cause the
# current line to be skipped.
# Therefore, we reset the counter by one line.
self.oom_entity.back()
for line in self.oom_entity:
match = self.REC_FREE_MEMORY_CHUNKS.match(line)
if not match:
continue
node = int(match.group("node"))
zone = match.group("zone")
if zone not in buddy_info:
buddy_info[zone] = {}
Extract free memory of each node from buddy info
2023-01-14 15:58:29 +01:00
if "total_free_kb_per_node" not in buddy_info[zone]:
buddy_info[zone]["total_free_kb_per_node"] = {}
buddy_info[zone]["total_free_kb_per_node"][node] = int(
int(match.group("total_free_kb_per_node"))
)
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
order = -1 # to start with 0 after the first increment in for loop
for element in match.group("zone_usage").split(" "):
if element.startswith("("): # skip migration types
continue
order += 1
Extract free memory of each node from buddy info
2023-01-14 15:58:29 +01:00
if order not in buddy_info[zone]:
buddy_info[zone][order] = {}
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
count = element.split("*")[0]
count.strip()
Extract free memory of each node from buddy info
2023-01-14 15:58:29 +01:00
buddy_info[zone][order][node] = int(count)
if "free_chunks_total" not in buddy_info[zone][order]:
buddy_info[zone][order]["free_chunks_total"] = 0
buddy_info[zone][order]["free_chunks_total"] += buddy_info[zone][order][
node
]
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
if not self.oom_result.details["_buddyinfo_pagesize_kb"] and order == 0:
size = element.split("*")[1]
size = size[:-2] # strip "kB"
self.oom_result.details["_buddyinfo_pagesize_kb"] = int(size)
Add MAX_ORDER constant
2023-03-01 22:29:15 +01:00
# MAX_ORDER is actually maximum order plus one. For example,
# a value of 11 means that the largest free memory block is 2^10 pages.
# __pragma__ ('jsiter')
max_order = 0
for o in self.oom_result.details["_buddyinfo"]["DMA"]:
# JS: integer is sometimes a string :-/
if (isinstance(o, str) and o.isdigit()) or isinstance(o, int):
max_order += 1
# __pragma__ ('nojsiter')
self.oom_result.kconfig.MAX_ORDER = max_order
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
def _extract_watermarks(self):
"""
Extract memory watermark information from all zones
This function fills:
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
* OOMResult.details["_watermarks"] with [<zone>][<node>][(free|min|low|high)] = int
* OOMResult.details["_watermarks"] with [<zone>][<node>][(lowmem_reserve)] = List(int)
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
"""
self.oom_result.details["_watermarks"] = {}
watermark_info = self.oom_result.details["_watermarks"]
self.oom_entity.find_text(self.oom_result.kconfig.watermark_start)
# Currently omm_entity point to the first line of the watermark information.
# The iterator protocol uses the next() call. However, this will cause the
# current line to be skipped.
# Therefore, we reset the counter by one line.
self.oom_entity.back()
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
node = None
zone = None
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
for line in self.oom_entity:
match = self.REC_WATERMARK.match(line)
if not match:
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
if line.startswith("lowmem_reserve[]:"):
# zone and node are defined in the previous round
watermark_info[zone][node]["lowmem_reserve"] = [
int(v) for v in line.split()[1:]
]
Extract and store memory watermark information
2023-01-14 22:14:03 +01:00
continue
node = int(match.group("node"))
zone = match.group("zone")
if zone not in watermark_info:
watermark_info[zone] = {}
if node not in watermark_info[zone]:
watermark_info[zone][node] = {}
for i in ["free", "min", "low", "high"]:
watermark_info[zone][node][i] = int(match.group(i))
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
def _extract_node_from_watermarks(self, zone):
"""
Search node with memory shortage: watermark "free" < "min"
@param str zone: Requested zone
@return: First node with memory shortage or None if no node found
@rtype: None|int
"""
watermark_info = self.oom_result.details["_watermarks"]
if zone not in watermark_info:
debug(
"Missing watermark info for zone {} - skip memory analysis".format(zone)
)
return None
# __pragma__ ('jsiter')
for node in watermark_info[zone]:
if watermark_info[zone][node]["free"] < watermark_info[zone][node]["min"]:
return int(node)
# __pragma__ ('nojsiter')
debug(
"Node with current memory shortage cannot be determined - skip memory analysis"
)
return None
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
def _gfp_hex2flags(self, hexvalue):
Analyse the complete line "invoked oom-killer" Analyse and show the GFP mask, the nodemask (is available), the number of requested pages (order) and the adjusted OOM score.
2018-08-08 20:41:26 +02:00
"""\
Convert the hexadecimal value into flags specified by definition
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
@return: Unsorted list of flags and the sum of all unknown flags as integer
@rtype: List(str), int
Analyse the complete line "invoked oom-killer" Analyse and show the GFP mask, the nodemask (is available), the number of requested pages (order) and the adjusted OOM score.
2018-08-08 20:41:26 +02:00
"""
remaining = int(hexvalue, 16)
converted_flags = []
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
for flag in self.oom_result.kconfig.gfp_reverse_lookup:
value = self.oom_result.kconfig.GFP_FLAGS[flag]["_value"]
Fix calculation of GFP flags
2022-07-03 21:41:12 +02:00
if (remaining & value) == value:
Analyse the complete line "invoked oom-killer" Analyse and show the GFP mask, the nodemask (is available), the number of requested pages (order) and the adjusted OOM score.
2018-08-08 20:41:26 +02:00
# delete flag by "and" with a reverted mask
remaining &= ~value
converted_flags.append(flag)
Rework handling of GFP flags
2022-07-10 11:02:48 +02:00
converted_flags.sort()
Analyse the complete line "invoked oom-killer" Analyse and show the GFP mask, the nodemask (is available), the number of requested pages (order) and the adjusted OOM score.
2018-08-08 20:41:26 +02:00
return converted_flags, remaining
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _convert_numeric_results_to_integer(self):
"""Convert all *_pages and *_kb to integer"""
Use pragma 'jsiter' to write more pythonic code
2018-08-10 21:03:30 +02:00
# __pragma__ ('jsiter')
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
for item in self.oom_result.details:
if self.oom_result.details[item] is None:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details[item] = "<not found>"
Change handling of not found elements
2018-05-06 11:01:40 +02:00
continue
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if (
item.endswith("_bytes")
or item.endswith("_kb")
or item.endswith("_pages")
or item.endswith("_pid")
or item
in ["killed_proc_score", "trigger_proc_order", "trigger_proc_oomscore"]
):
Initial commit
2017-11-25 12:52:55 +01:00
try:
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.details[item] = int(self.oom_result.details[item])
Display "<not found>" for all values that are not part of the OOM
2018-04-15 20:54:24 +02:00
except:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
error(
'Converting item "{}={}" to integer failed'.format(
item, self.oom_result.details[item]
)
)
Use pragma 'jsiter' to write more pythonic code
2018-08-10 21:03:30 +02:00
# __pragma__ ('nojsiter')
Add support for newer process table format
2021-12-21 20:32:49 +01:00
def _convert_pstable_values_to_integer(self):
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
"""Convert numeric values in process table to integer values"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
ps = self.oom_result.details["_pstable"]
Add sorting process table
2020-04-05 14:28:37 +02:00
ps_index = []
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
# TODO Check if transcrypt issue: pragma jsiter for the whole block "for pid_str in ps: ..."
# sets item in "for item in ['uid',..." to 0 instead of 'uid'
# jsiter is necessary to iterate over ps
for pid_str in ps.keys():
converted = {}
process = ps[pid_str]
Add support for newer process table format
2021-12-21 20:32:49 +01:00
for item in self.oom_result.kconfig.pstable_items:
if item in self.oom_result.kconfig.pstable_non_ints:
Unify ps table column names in class KernelConfig
2020-10-31 14:40:02 +01:00
continue
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
try:
converted[item] = int(process[item])
except:
Add support for newer process table format
2021-12-21 20:32:49 +01:00
if item not in process:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
pitem = "<not in process table>"
Add support for newer process table format
2021-12-21 20:32:49 +01:00
else:
pitem = process[item]
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
error(
'Converting process parameter "{}={}" to integer failed'.format(
item, pitem
)
)
converted["name"] = process["name"]
converted["notes"] = process["notes"]
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
pid_int = int(pid_str)
del ps[pid_str]
ps[pid_int] = converted
Add sorting process table
2020-04-05 14:28:37 +02:00
ps_index.append(pid_int)
ps_index.sort(key=int)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details["_pstable_index"] = ps_index
Add sorting process table
2020-04-05 14:28:37 +02:00
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
def _check_free_chunks(self, start_with_order, zone, node):
"""Check for at least one free chunk in the current or any higher order.
Returns True, if at lease one suitable chunk is free.
Returns None, if buddyinfo doesn't contain information for the requested node, order or zone
@param int start_with_order: Start checking with this order
@param str zone: Memory zone
@param int node: Node number
@rtype: None|bool
"""
if not self.oom_result.details["_buddyinfo"]:
return None
buddyinfo = self.oom_result.details["_buddyinfo"]
if zone not in buddyinfo:
return None
for order in range(start_with_order, self.oom_result.kconfig.MAX_ORDER):
if order not in buddyinfo[zone]:
break
if node not in buddyinfo[zone][order]:
return None
free_chunks = buddyinfo[zone][order][node]
if free_chunks:
return True
return False
Add check for heavy memory fragmentation
2023-03-07 21:48:23 +01:00
def _check_for_memory_fragmentation(self):
"""Check for heavy memory fragmentation. This means that the higher order has no free chunks.
Returns True, all high order chunk are in use.
Returns False, if high order chunks are available.
Returns None, if buddyinfo doesn't contain information for the requested node, order or zone
@see: BaseKernelConfig.PAGE_ALLOC_COSTLY_ORDER, OOMResult.mem_fragmented
@rtype: None|bool
"""
zone = self.oom_result.details["trigger_proc_mem_zone"]
node = self._extract_node_from_watermarks(zone)
if zone not in self.oom_result.details["_buddyinfo"]:
return None
self.oom_result.mem_fragmented = not self._check_free_chunks(
self.oom_result.kconfig.PAGE_ALLOC_COSTLY_ORDER, zone, node
)
self.oom_result.details[
"kconfig.PAGE_ALLOC_COSTLY_ORDER"
] = self.oom_result.kconfig.PAGE_ALLOC_COSTLY_ORDER
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
def _analyse_alloc_failure(self):
"""
Analyse why the memory allocation could be failed.
The code in this function is inspired by mm/page_alloc.c:__zone_watermark_ok()
"""
self.oom_result.mem_alloc_failure = OOMMemoryAllocFailureType.not_started
if self.oom_result.oom_type == OOMEntityType.manual:
debug("OOM triggered manually - skip memory analysis")
return
if "_buddyinfo" not in self.oom_result.details:
debug("Missing buddyinfo - skip memory analysis")
return
if not self.oom_result.details["_buddyinfo"]:
debug("Empty buddyinfo - skip memory analysis")
return
if ("trigger_proc_order" not in self.oom_result.details) or (
"trigger_proc_mem_zone" not in self.oom_result.details
):
debug(
"Missing trigger_proc_order and/or trigger_proc_mem_zone - skip memory analysis"
)
return
if "_watermarks" not in self.oom_result.details:
debug("Missing watermark information - skip memory analysis")
return
order = self.oom_result.details["trigger_proc_order"]
zone = self.oom_result.details["trigger_proc_mem_zone"]
watermark_info = self.oom_result.details["_watermarks"]
# "high order" requests don't trigger OOM
if int(order) > self.oom_result.kconfig.PAGE_ALLOC_COSTLY_ORDER:
debug("high order requests should not trigger OOM - skip memory analysis")
self.oom_result.mem_alloc_failure = (
OOMMemoryAllocFailureType.skipped_high_order_dont_trigger_oom
)
return
# Search node with memory shortage: watermark "free" < "min"
node = self._extract_node_from_watermarks(zone)
if node is None:
return # error cause already shown as debug message
# the remaining code is similar to mm/page_alloc.c:__zone_watermark_ok()
# =======================================================================
# calculation in kB and not in pages
free_kb = watermark_info[zone][node]["free"]
highest_zoneidx = self.oom_result.kconfig.ZONE_TYPES.index(zone)
lowmem_reserve = watermark_info[zone][node]["lowmem_reserve"]
min_kb = watermark_info[zone][node]["low"]
page_size = self.oom_result.details["_buddyinfo_pagesize_kb"]
# reduce minimum watermark for high priority calls
# ALLOC_HIGH == __GFP_HIGH
gfp_mask_decimal = self.oom_result.details["_trigger_proc_gfp_mask_decimal"]
gfp_flag_high = self.oom_result.kconfig.GFP_FLAGS["__GFP_DMA"]["_value"]
if (gfp_mask_decimal & gfp_flag_high) == gfp_flag_high:
min_kb -= int(min_kb / 2)
# check watermarks, if these are not met, then a high-order request also
# cannot go ahead even if a suitable page happened to be free.
if free_kb <= (min_kb + (lowmem_reserve[highest_zoneidx] * page_size)):
self.oom_result.mem_alloc_failure = (
OOMMemoryAllocFailureType.failed_below_low_watermark
)
return
# For a high-order request, check at least one suitable page is free
if not self._check_free_chunks(order, zone, node):
self.oom_result.mem_alloc_failure = (
OOMMemoryAllocFailureType.failed_no_free_chunks
)
return
self.oom_result.mem_alloc_failure = (
OOMMemoryAllocFailureType.failed_unknown_reason
)
Add sorting process table
2020-04-05 14:28:37 +02:00
def _calc_pstable_values(self):
Fix: Trigger process isn't part of process table
2020-07-15 20:43:44 +02:00
"""Set additional notes to processes listed in the process table"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
tpid = self.oom_result.details["trigger_proc_pid"]
kpid = self.oom_result.details["killed_proc_pid"]
Fix: Trigger process isn't part of process table
2020-07-15 20:43:44 +02:00
# sometimes the trigger process isn't part of the process table
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if tpid in self.oom_result.details["_pstable"]:
self.oom_result.details["_pstable"][tpid]["notes"] = "trigger process"
Fix: Trigger process isn't part of process table
2020-07-15 20:43:44 +02:00
# assume the killed process may also not part of the process table
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if kpid in self.oom_result.details["_pstable"]:
self.oom_result.details["_pstable"][kpid]["notes"] = "killed process"
Initial commit
2017-11-25 12:52:55 +01:00
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _calc_trigger_process_values(self):
"""Calculate all values related with the trigger process"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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self.oom_result.details["trigger_proc_requested_memory_pages"] = (
2 ** self.oom_result.details["trigger_proc_order"]
)
self.oom_result.details["trigger_proc_requested_memory_pages_kb"] = (
self.oom_result.details["trigger_proc_requested_memory_pages"]
* self.oom_result.details["page_size_kb"]
)
Calculation of memory zones decimal GFP mask The calculation from the decimal value of the CFP mask is more reliable than checking whether the strings "DMA32" and "DMA" are included.
2023-01-23 16:32:46 +01:00
gfp_mask_decimal = self.oom_result.details["_trigger_proc_gfp_mask_decimal"]
gfp_flag_dma = self.oom_result.kconfig.GFP_FLAGS["__GFP_DMA"]["_value"]
gfp_flag_dma32 = self.oom_result.kconfig.GFP_FLAGS["__GFP_DMA32"]["_value"]
if (gfp_mask_decimal & gfp_flag_dma) == gfp_flag_dma:
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
zone = "DMA"
Calculation of memory zones decimal GFP mask The calculation from the decimal value of the CFP mask is more reliable than checking whether the strings "DMA32" and "DMA" are included.
2023-01-23 16:32:46 +01:00
elif (gfp_mask_decimal & gfp_flag_dma32) == gfp_flag_dma32:
zone = "DMA32"
Extract and store free memory chunks
2022-11-27 11:09:46 +01:00
else:
zone = "Normal"
self.oom_result.details["trigger_proc_mem_zone"] = zone
Analyse the complete line "invoked oom-killer" Analyse and show the GFP mask, the nodemask (is available), the number of requested pages (order) and the adjusted OOM score.
2018-08-08 20:41:26 +02:00
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _calc_killed_process_values(self):
"""Calculate all values related with the killed process"""
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self.oom_result.details["killed_proc_total_rss_kb"] = (
self.oom_result.details["killed_proc_anon_rss_kb"]
+ self.oom_result.details["killed_proc_file_rss_kb"]
+ self.oom_result.details["killed_proc_shmem_rss_kb"]
)
Rollback changed interpretation of last OOM line This is a logical rollback because I was wrong about the interpretation of this line.
2020-01-08 20:59:20 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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self.oom_result.details["killed_proc_rss_percent"] = int(
100
* self.oom_result.details["killed_proc_total_rss_kb"]
/ int(self.oom_result.details["system_total_ram_kb"])
)
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _calc_swap_values(self):
"""Calculate all swap related values"""
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
try:
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self.oom_result.swap_active = self.oom_result.details["swap_total_kb"] > 0
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
except KeyError:
self.oom_result.swap_active = False
if not self.oom_result.swap_active:
return
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self.oom_result.details["swap_cache_kb"] = (
self.oom_result.details["swap_cache_pages"]
* self.oom_result.details["page_size_kb"]
)
del self.oom_result.details["swap_cache_pages"]
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
# SwapUsed = SwapTotal - SwapFree - SwapCache
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self.oom_result.details["swap_used_kb"] = (
self.oom_result.details["swap_total_kb"]
- self.oom_result.details["swap_free_kb"]
- self.oom_result.details["swap_cache_kb"]
)
self.oom_result.details["system_swap_used_percent"] = int(
100
* self.oom_result.details["swap_used_kb"]
/ self.oom_result.details["swap_total_kb"]
)
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
def _calc_system_values(self):
"""Calculate system memory"""
# calculate remaining explanation values
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self.oom_result.details["system_total_ram_kb"] = (
self.oom_result.details["ram_pages"]
* self.oom_result.details["page_size_kb"]
)
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
if self.oom_result.swap_active:
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self.oom_result.details["system_total_ramswap_kb"] = (
self.oom_result.details["system_total_ram_kb"]
+ self.oom_result.details["swap_total_kb"]
)
Add support for systems w/o swap Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-09 22:06:16 +02:00
else:
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self.oom_result.details[
"system_total_ramswap_kb"
] = self.oom_result.details["system_total_ram_kb"]
Fix memory calculation in summary section
2022-03-26 12:26:52 +01:00
Convert to int to satisfy Python for unit tests
2022-06-28 20:43:34 +02:00
# TODO: Current RSS calculation based on process table is probably incorrect,
# because it don't differentiates between processes and threads
Rollback changed interpretation of last OOM line This is a logical rollback because I was wrong about the interpretation of this line.
2020-01-08 20:59:20 +01:00
total_rss_pages = 0
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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for pid in self.oom_result.details["_pstable"].keys():
Convert to int to satisfy Python for unit tests
2022-06-28 20:43:34 +02:00
# convert to int to satisfy Python for unit tests
total_rss_pages += int(
self.oom_result.details["_pstable"][pid]["rss_pages"]
)
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self.oom_result.details["system_total_ram_used_kb"] = (
total_rss_pages * self.oom_result.details["page_size_kb"]
)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.oom_result.details["system_total_used_percent"] = int(
100
* self.oom_result.details["system_total_ram_used_kb"]
/ self.oom_result.details["system_total_ram_kb"]
)
Add percentage of memory usage to analysis summary
2020-01-31 22:10:11 +01:00
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _determinate_platform_and_distribution(self):
"""Determinate platform and distribution"""
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kernel_version = self.oom_result.details.get("kernel_version", "")
if "x86_64" in kernel_version:
self.oom_result.details["platform"] = "x86 64bit"
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
else:
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self.oom_result.details["platform"] = "unknown"
dist = "unknown"
if ".el7uek" in kernel_version:
dist = "Oracle Linux 7 (Unbreakable Enterprise Kernel)"
elif ".el7" in kernel_version:
dist = "RHEL 7/CentOS 7"
elif ".el6" in kernel_version:
dist = "RHEL 6/CentOS 6"
elif ".el5" in kernel_version:
dist = "RHEL 5/CentOS 5"
elif "ARCH" in kernel_version:
dist = "Arch Linux"
elif "-generic" in kernel_version:
dist = "Ubuntu"
self.oom_result.details["dist"] = dist
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
Fix memory calculation in summary section
2022-03-26 12:26:52 +01:00
# educated guess
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self.oom_result.details["page_size_kb"] = 4
Fix memory calculation in summary section
2022-03-26 12:26:52 +01:00
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
def _calc_from_oom_details(self):
"""
Calculate values from already extracted details
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
@see: self.details
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
"""
self._convert_numeric_results_to_integer()
Add support for newer process table format
2021-12-21 20:32:49 +01:00
self._convert_pstable_values_to_integer()
Add sorting process table
2020-04-05 14:28:37 +02:00
self._calc_pstable_values()
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
self._determinate_platform_and_distribution()
Fix memory calculation in summary section
2022-03-26 12:26:52 +01:00
self._calc_swap_values()
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
self._calc_system_values()
Fix interpretation of the last OOM line The memory statistics in the last OOM line (total-vm, anon-rss, file-rss, shmem-rss) are overall and not related to the killed process.
2020-01-05 01:00:02 +01:00
self._calc_trigger_process_values()
self._calc_killed_process_values()
Add analysis why the memory request failed
2023-03-02 20:43:35 +01:00
self._analyse_alloc_failure()
Add check for heavy memory fragmentation
2023-03-07 21:48:23 +01:00
self._check_for_memory_fragmentation()
Move distribution guessing into own function
2018-11-08 20:53:52 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
def analyse(self):
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
"""
Extract and calculate values from the given OOM object
If the return value is False, the OOM is too incomplete to perform an analysis.
@rtype: bool
"""
if not self._check_for_empty_oom():
error(self.oom_result.error_msg)
return False
if not self._identify_kernel_version():
error(self.oom_result.error_msg)
return False
Remove unused return code in OOMAnalyser._choose_kernel_config()
2022-11-19 11:45:51 +01:00
self._choose_kernel_config()
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
if not self._check_for_complete_oom():
error(self.oom_result.error_msg)
return False
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
self._extract_from_oom_text()
self._calc_from_oom_details()
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
self.oom_result.oom_text = self.oom_entity.text
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
return True
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Unify ps table column names in class KernelConfig
2020-10-31 14:40:02 +01:00
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
class SVGChart:
"""
Creates a horizontal stacked bar chart with a legend underneath.
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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The entries of the legend are arranged from left to right and from top to bottom.
Rework memory charts to show all items in legend
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"""
cfg = dict(
chart_height=150,
chart_width=600,
label_height=80,
legend_entry_width=160,
legend_margin=7,
title_height=20,
title_margin=10,
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css_class="js-mem-usage__svg", # CSS class for SVG diagram
Rework memory charts to show all items in legend
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)
"""Basic chart configuration"""
# generated with Colorgorical http://vrl.cs.brown.edu/color
colors = [
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"#aee39a",
"#344b46",
"#1ceaf9",
"#5d99aa",
"#32e195",
"#b02949",
"#deae9e",
"#805257",
"#add51f",
"#544793",
"#a794d3",
"#e057e1",
"#769b5a",
"#76f014",
"#621da6",
"#ffce54",
"#d64405",
"#bb8801",
"#096013",
"#ff0087",
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
]
"""20 different colors for memory usage diagrams"""
max_entries_per_row = 3
"""Maximum chart legend entries per row"""
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namespace = "http://www.w3.org/2000/svg"
Rework memory charts to show all items in legend
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def __init__(self):
super().__init__()
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self.cfg["bar_topleft_x"] = 0
self.cfg["bar_topleft_y"] = self.cfg["title_height"] + self.cfg["title_margin"]
self.cfg["bar_bottomleft_x"] = self.cfg["bar_topleft_x"]
self.cfg["bar_bottomleft_y"] = (
self.cfg["bar_topleft_y"] + self.cfg["chart_height"]
)
Rework memory charts to show all items in legend
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self.cfg["bar_bottomright_x"] = (
self.cfg["bar_topleft_x"] + self.cfg["chart_width"]
)
self.cfg["bar_bottomright_y"] = (
self.cfg["bar_topleft_y"] + self.cfg["chart_height"]
)
Rework memory charts to show all items in legend
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self.cfg["legend_topleft_x"] = self.cfg["bar_topleft_x"]
self.cfg["legend_topleft_y"] = (
self.cfg["bar_topleft_y"] + self.cfg["legend_margin"]
)
self.cfg["legend_width"] = (
self.cfg["legend_entry_width"]
+ self.cfg["legend_margin"]
+ self.cfg["legend_entry_width"]
)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
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self.cfg["diagram_height"] = (
self.cfg["chart_height"]
+ self.cfg["title_margin"]
+ self.cfg["title_height"]
)
self.cfg["diagram_width"] = self.cfg["chart_width"]
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
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self.cfg["title_bottommiddle_y"] = self.cfg["title_height"]
self.cfg["title_bottommiddle_x"] = self.cfg["diagram_width"] // 2
Rework memory charts to show all items in legend
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# __pragma__ ('kwargs')
def create_element(self, tag, **kwargs):
"""
Create an SVG element of the given tag.
@note: Underscores in the argument names will be replaced by minus
@param str tag: Type of element to be created
@rtype: Node
"""
element = document.createElementNS(self.namespace, tag)
# __pragma__ ('jsiter')
for k in kwargs:
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k2 = k.replace("_", "-")
Rework memory charts to show all items in legend
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element.setAttribute(k2, kwargs[k])
# __pragma__ ('nojsiter')
return element
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Rework memory charts to show all items in legend
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# __pragma__ ('nokwargs')
# __pragma__ ('kwargs')
def create_element_text(self, text, **kwargs):
"""
Create an SVG text element
@note: Underscores in the argument names will be replaced by minus
@param str text: Text
@rtype: Node
"""
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element = self.create_element("text", **kwargs)
Rework memory charts to show all items in legend
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element.textContent = text
return element
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Rework memory charts to show all items in legend
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# __pragma__ ('nokwargs')
def create_element_svg(self, height, width, css_class=None):
"""Return a SVG element"""
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svg = self.create_element(
"svg",
version="1.1",
height=height,
width=width,
viewBox="0 0 {} {}".format(width, height),
)
Rework memory charts to show all items in legend
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if css_class:
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svg.setAttribute("class", css_class)
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return svg
def create_rectangle(self, x, y, width, height, color=None, title=None):
"""
Return a rect-element in a group container
If a title is given, the container also contains a <title> element.
"""
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g = self.create_element("g")
rect = self.create_element("rect", x=x, y=y, width=width, height=height)
Rework memory charts to show all items in legend
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if color:
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rect.setAttribute("fill", color)
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if title:
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t = self.create_element("title")
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t.textContent = title
g.appendChild(t)
g.appendChild(rect)
return g
def create_legend_entry(self, color, desc, pos):
"""
Create a legend entry for the given position. Both elements of the entry are grouped within a g-element.
@param str color: Colour of the entry
@param str desc: Description
@param int pos: Continuous position
@rtype: Node
"""
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label_group = self.create_element("g", id=desc)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
color_rect = self.create_rectangle(0, 0, 20, 20, color)
label_group.appendChild(color_rect)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
desc_element = self.create_element_text(desc, x="30", y="18")
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
desc_element.textContent = desc
label_group.appendChild(desc_element)
# move group to right position
x, y = self.legend_calc_xy(pos)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
label_group.setAttribute("transform", "translate({}, {})".format(x, y))
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
return label_group
def legend_max_row(self, pos):
"""
Returns the maximum number of rows in the legend
@param int pos: Continuous position
"""
max_row = math.ceil(pos / self.max_entries_per_row)
return max_row
def legend_max_col(self, pos):
"""
Returns the maximum number of columns in the legend
@param int pos: Continuous position
@rtype: int
"""
if pos < self.max_entries_per_row:
return pos
return self.max_entries_per_row
def legend_calc_x(self, column):
"""
Calculate the X-axis using the given column
@type column: int
@rtype: int
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
x = self.cfg["bar_bottomleft_x"] + self.cfg["legend_margin"]
x += column * (self.cfg["legend_margin"] + self.cfg["legend_entry_width"])
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
return x
def legend_calc_y(self, row):
"""
Calculate the Y-axis using the given row
@type row: int
@rtype: int
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
y = self.cfg["bar_bottomleft_y"] + self.cfg["legend_margin"]
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
y += row * 40
return y
def legend_calc_xy(self, pos):
"""
Calculate the X-axis and Y-axis
@param int pos: Continuous position
@rtype: int, int
"""
if not pos:
col = 0
row = 0
else:
col = pos % self.max_entries_per_row
row = math.floor(pos / self.max_entries_per_row)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
x = self.cfg["bar_bottomleft_x"] + self.cfg["legend_margin"]
y = self.cfg["bar_bottomleft_y"] + self.cfg["legend_margin"]
x += col * (self.cfg["legend_margin"] + self.cfg["legend_entry_width"])
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
y += row * 40
return x, y
def generate_bar_area(self, elements):
"""
Generate colord stacked bars. All entries are group within a g-element.
@rtype: Node
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
bar_group = self.create_element(
"g", id="bar_group", stroke="black", stroke_width=2
)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
current_x = 0
total_length = sum([length for unused, length in elements])
for i, two in enumerate(elements):
name, length = two
color = self.colors[i % len(self.colors)]
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
rect_len = int(length / total_length * self.cfg["chart_width"])
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
if rect_len == 0:
rect_len = 1
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
rect = self.create_rectangle(
current_x,
self.cfg["bar_topleft_y"],
rect_len,
self.cfg["chart_height"],
color,
name,
)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
current_x += rect_len
bar_group.appendChild(rect)
return bar_group
def generate_legend(self, elements):
"""
Generate a legend for all elements. All entries are group within a g-element.
@rtype: Node
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
legend_group = self.create_element("g", id="legend_group")
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
for i, two in enumerate(elements):
element_name = two[0]
color = self.colors[i % len(self.colors)]
label_group = self.create_legend_entry(color, element_name, i)
legend_group.appendChild(label_group)
# re-calculate chart height after all legend entries added
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
self.cfg["diagram_height"] = self.legend_calc_y(
self.legend_max_row(len(elements))
)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
return legend_group
def generate_chart(self, title, *elements):
"""
Return a SVG bar chart for all elements
@param str title: Chart title
@param elements: List of tuple with name and length of the entry (not normalized)
@rtype: Node
"""
filtered_elements = [(name, length) for name, length in elements if length > 0]
bar_group = self.generate_bar_area(filtered_elements)
legend_group = self.generate_legend(filtered_elements)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
svg = self.create_element_svg(
self.cfg["diagram_height"], self.cfg["diagram_width"], self.cfg["css_class"]
)
chart_title = self.create_element_text(
title,
font_size=self.cfg["title_height"],
font_weight="bold",
stroke_width="0",
text_anchor="middle",
x=self.cfg["title_bottommiddle_x"],
y=self.cfg["title_bottommiddle_y"],
)
Rework memory charts to show all items in legend
2022-01-11 17:26:19 +01:00
svg.appendChild(chart_title)
svg.appendChild(bar_group)
svg.appendChild(legend_group)
return svg
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
class OOMDisplay:
"""Display the OOM analysis"""
# result ergibt an manchen stellen self.result.result :-/
oom_result = OOMResult()
"""
OOM analysis details
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
2021-09-27 21:06:47 +02:00
@rtype: OOMResult
"""
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
example_rhel7 = """\
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
sed invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
sed cpuset=/ mems_allowed=0-1
CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
Hardware name: HP ProLiant DL385 G7, BIOS A18 12/08/2012
ffff880182272f10 00000000021dcb0a ffff880418207938 ffffffff816861ac
ffff8804182079c8 ffffffff81681157 ffffffff810eab9c ffff8804182fe910
ffff8804182fe928 0000000000000202 ffff880182272f10 ffff8804182079b8
Call Trace:
[<ffffffff816861ac>] dump_stack+0x19/0x1b
[<ffffffff81681157>] dump_header+0x8e/0x225
[<ffffffff810eab9c>] ? ktime_get_ts64+0x4c/0xf0
[<ffffffff8113ccaf>] ? delayacct_end+0x8f/0xb0
[<ffffffff8118475e>] oom_kill_process+0x24e/0x3c0
[<ffffffff811841fd>] ? oom_unkillable_task+0xcd/0x120
[<ffffffff811842a6>] ? find_lock_task_mm+0x56/0xc0
[<ffffffff810937ee>] ? has_capability_noaudit+0x1e/0x30
[<ffffffff81184f96>] out_of_memory+0x4b6/0x4f0
[<ffffffff81681c60>] __alloc_pages_slowpath+0x5d7/0x725
[<ffffffff8118b0a5>] __alloc_pages_nodemask+0x405/0x420
[<ffffffff811cf25a>] alloc_pages_current+0xaa/0x170
[<ffffffff81180667>] __page_cache_alloc+0x97/0xb0
[<ffffffff811831b0>] filemap_fault+0x170/0x410
[<ffffffffa018f016>] ext4_filemap_fault+0x36/0x50 [ext4]
[<ffffffff811ac2ec>] __do_fault+0x4c/0xc0
[<ffffffff811ac783>] do_read_fault.isra.42+0x43/0x130
[<ffffffff811b0f11>] handle_mm_fault+0x6b1/0xfe0
[<ffffffff811b7825>] ? do_mmap_pgoff+0x305/0x3c0
[<ffffffff81691c94>] __do_page_fault+0x154/0x450
[<ffffffff81691fc5>] do_page_fault+0x35/0x90
[<ffffffff8168e288>] page_fault+0x28/0x30
Mem-Info:
Fix the order of processing #012/LF Remove unnecessary columns first and unwind #012 (octal replacement of LF) second. Otherwise, important content would be lost.
2021-07-29 02:25:43 +02:00
active_anon:7355653 inactive_anon:660960 isolated_anon:0#012 active_file:1263 inactive_file:1167 isolated_file:32#012 unevictable:0 dirty:4 writeback:0 unstable:0#012 slab_reclaimable:27412 slab_unreclaimable:13708#012 mapped:4818 shmem:87896 pagetables:25222 bounce:0#012 free:39513 free_pcp:2958 free_cma:0
Fix wrong line break in RHEL7 OOM example
2023-02-12 20:22:29 +01:00
Node 0 DMA free:15872kB min:40kB low:48kB high:60kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 2780 15835 15835
Node 0 DMA32 free:59728kB min:7832kB low:9788kB high:11748kB active_anon:2154380kB inactive_anon:604748kB active_file:500kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3094644kB managed:2848912kB mlocked:0kB dirty:0kB writeback:0kB mapped:4016kB shmem:5140kB slab_reclaimable:6448kB slab_unreclaimable:2796kB kernel_stack:1040kB pagetables:6876kB unstable:0kB bounce:0kB free_pcp:3788kB local_pcp:228kB free_cma:0kB writeback_tmp:0kB pages_scanned:28 all_unreclaimable? no
lowmem_reserve[]: 0 0 13055 13055
Node 0 Normal free:36692kB min:36784kB low:45980kB high:55176kB active_anon:12301636kB inactive_anon:793132kB active_file:604kB inactive_file:176kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:13631488kB managed:13368348kB mlocked:0kB dirty:0kB writeback:0kB mapped:4108kB shmem:207940kB slab_reclaimable:47900kB slab_unreclaimable:28884kB kernel_stack:6624kB pagetables:43340kB unstable:0kB bounce:0kB free_pcp:4204kB local_pcp:640kB free_cma:0kB writeback_tmp:0kB pages_scanned:128 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 1 Normal free:49436kB min:45444kB low:56804kB high:68164kB active_anon:14967844kB inactive_anon:1244560kB active_file:1552kB inactive_file:1992kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:16777212kB managed:16514220kB mlocked:0kB dirty:16kB writeback:0kB mapped:10760kB shmem:138504kB slab_reclaimable:55300kB slab_unreclaimable:23152kB kernel_stack:6176kB pagetables:50672kB unstable:0kB bounce:0kB free_pcp:3360kB local_pcp:248kB free_cma:0kB writeback_tmp:0kB pages_scanned:125777 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15872kB
Node 0 DMA32: 203*4kB (UEM) 231*8kB (UEM) 259*16kB (UEM) 231*32kB (UEM) 157*64kB (UEM) 90*128kB (UEM) 49*256kB (UEM) 20*512kB (UE) 3*1024kB (UEM) 1*2048kB (M) 0*4096kB = 63668kB
Node 0 Normal: 1231*4kB (UEM) 391*8kB (UEM) 456*16kB (UEM) 342*32kB (UEM) 141*64kB (UEM) 23*128kB (UEM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38260kB
Node 1 Normal: 2245*4kB (UEM) 732*8kB (UEM) 594*16kB (UEM) 396*32kB (UEM) 160*64kB (UEM) 16*128kB (UEM) 2*256kB (UM) 0*512kB 1*1024kB (M) 0*2048kB 0*4096kB = 50836kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
100155 total pagecache pages
11342 pages in swap cache
Swap cache stats: add 31260615, delete 31249273, find 295999950/297583545
Free swap = 0kB
Total swap = 8388604kB
8379834 pages RAM
0 pages HighMem/MovableOnly
192987 pages reserved
[ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
[ 390] 0 390 39012 6739 78 51 0 systemd-journal
[ 433] 0 433 11104 2 22 360 -1000 systemd-udevd
[ 530] 0 530 13854 28 27 83 -1000 auditd
[ 559] 0 559 7692 65 19 87 0 systemd-logind
[ 563] 0 563 4817 41 14 36 0 irqbalance
[ 569] 87 569 7684 52 20 48 -900 dbus-daemon
[ 587] 32 587 16240 17 34 116 0 rpcbind
[ 647] 0 647 50303 11 36 113 0 gssproxy
[ 796] 0 796 193856 2897 207 112 0 rsyslogd
[ 818] 0 818 13177 0 27 146 0 vsftpd
[ 840] 0 840 62892 9 36 103 0 ypbind
[ 868] 0 868 21663 28 43 191 -1000 sshd
[ 871] 29 871 11126 2 25 222 0 rpc.statd
[ 907] 0 907 8044 4 21 53 0 atd
[ 916] 0 916 27509 2 10 30 0 agetty
[ 934] 0 934 27509 2 10 31 0 agetty
[ 1255] 0 1255 45716 1 39 337 0 rscd
[ 1268] 0 1268 45746 28 38 353 0 rscd
[ 1269] 0 1269 45716 29 38 311 0 rscd
[ 1285] 0 1285 23290 25 45 235 0 master
[ 1287] 89 1287 23379 52 47 242 0 qmgr
[ 1830] 0 1830 446643 959 68 1234 0 ovcd
[ 2062] 0 2062 144894 511 37 309 0 ovbbccb
[ 2121] 0 2121 33138 26 19 138 0 crond
[ 2136] 38 2136 7846 40 19 88 0 ntpd
[ 2451] 0 2451 177827 0 36 816 0 ovconfd
[ 8145] 0 8145 300303 1616 58 692 0 hpsensor
[ 8204] 0 8204 31508 119 31 328 0 opcmsgi
[ 8405] 0 8405 201479 1289 49 244 0 opcmsga
[ 8472] 0 8472 134080 236 46 514 0 opcmona
[ 8596] 0 8596 31377 172 29 301 0 opcle
[ 8658] 0 8658 81199 124 34 336 0 opcacta
[ 8685] 0 8685 137169 23313 97 3256 0 oacore
[ 6330] 12345 6330 7520 15 18 61 0 rotatelogs
[ 6331] 12345 6331 28318 0 12 83 0 run.sh
Change killed process from java to mysqld The process has been renamed to use a one-to-one name. This makes it easier to change the name in a test case.
2021-07-18 14:17:07 +02:00
[ 6576] 12345 6576 8478546 5157063 15483 1527848 0 mysqld
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
[27171] 12345 27171 7522 10 18 58 0 rotatelogs
[27172] 12345 27172 28320 3 11 94 0 run.sh
[27502] 12345 27502 4029300 2716569 6505 226225 0 java
[11729] 0 11729 64122 5003 79 2465 0 snmpd
[12130] 0 12130 122202 565 29 175 0 hpasmlited
[12166] 0 12166 11905 89 24 121 0 cmahealthd
[12190] 0 12190 11871 89 24 119 0 cmastdeqd
[12214] 0 12214 13707 84 31 211 0 cmahostd
[12237] 0 12237 12493 38 28 352 0 cmathreshd
[12276] 0 12276 12368 45 30 210 0 cmasm2d
[12299] 0 12299 12485 43 26 282 0 cmaperfd
[12324] 0 12324 31932 184 31 143 0 cmapeerd
[12352] 0 12352 14280 48 32 169 0 cmaeventd
[12379] 0 12379 14831 26 30 198 0 cmafcad
[12407] 0 12407 11806 12 25 128 0 cmasasd
[12436] 0 12436 14364 86 31 181 0 cmaidad
[12463] 0 12463 11288 15 25 125 0 cmaided
[12492] 0 12492 11805 14 26 127 0 cmascsid
[12523] 0 12523 92228 129 63 433 0 cmanicd
[14002] 0 14002 11803 12 25 128 0 cmasm2d
[32615] 0 32615 36254 323 73 7 0 sshd
[ 894] 12345 894 36254 328 70 5 0 sshd
[ 895] 12345 895 3389 123 11 0 0 ksh
[10620] 0 10620 36254 328 72 0 0 sshd
[10634] 38714 10634 36290 329 70 8 0 sshd
[10635] 38714 10635 14221 25 31 124 0 sftp-server
[29021] 0 29021 36254 314 69 0 0 sshd
[29025] 12345 29025 36254 316 67 0 0 sshd
[29026] 12345 29026 29286 96 12 1 0 ksh
[29051] 12345 29051 29494 330 12 74 0 svr05
[29979] 12345 29979 1666 42 9 0 0 less
[29662] 89 29662 23316 258 43 0 0 pickup
[26065] 89 26065 23317 256 45 0 0 trivial-rewrite
[26066] 89 26066 23353 265 45 0 0 cleanup
[26067] 89 26067 23368 271 45 0 0 smtp
[26743] 0 26743 36254 314 68 0 0 sshd
[26937] 12345 26937 36254 314 67 0 0 sshd
[26938] 12345 26938 29286 96 11 0 0 ksh
[27122] 12345 27122 29494 459 12 0 0 svr05
[28657] 0 28657 36254 314 74 0 0 sshd
[28702] 12345 28702 36254 314 72 0 0 sshd
[28703] 12345 28703 29286 97 11 0 0 ksh
[28993] 0 28993 36254 314 72 0 0 sshd
[28996] 12345 28996 29526 531 12 0 0 svr05
[29006] 12345 29006 36254 314 69 0 0 sshd
[29007] 12345 29007 29286 96 11 0 0 ksh
[29110] 12345 29110 29558 745 12 0 0 svr05
[29481] 12345 29481 29214 58 14 0 0 sed
[29752] 12345 29752 7522 296 19 0 0 rotatelogs
Change killed process from java to mysqld The process has been renamed to use a one-to-one name. This makes it easier to change the name in a test case.
2021-07-18 14:17:07 +02:00
Out of memory: Kill process 6576 (mysqld) score 651 or sacrifice child
Killed process 6576 (mysqld) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0kB, shmem-rss:0kB
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"""
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
example_ubuntu2110 = """\
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
kworker/0:2 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=-1, oom_score_adj=0
CPU: 0 PID: 735 Comm: kworker/0:2 Not tainted 5.13.0-19-generic #19-Ubuntu
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ArchLinux 1.14.0-1 04/01/2014
Workqueue: events moom_callback
Call Trace:
show_stack+0x52/0x58
dump_stack+0x7d/0x9c
dump_header+0x4f/0x1f9
oom_kill_process.cold+0xb/0x10
out_of_memory.part.0+0xce/0x270
out_of_memory+0x41/0x80
moom_callback+0x7a/0xb0
process_one_work+0x220/0x3c0
worker_thread+0x53/0x420
kthread+0x11f/0x140
? process_one_work+0x3c0/0x3c0
? set_kthread_struct+0x50/0x50
ret_from_fork+0x22/0x30
Mem-Info:
active_anon:221 inactive_anon:14331 isolated_anon:0
active_file:18099 inactive_file:22324 isolated_file:0
unevictable:4785 dirty:633 writeback:0
slab_reclaimable:6027 slab_unreclaimable:6546
mapped:15338 shmem:231 pagetables:412 bounce:0
free:427891 free_pcp:153 free_cma:0
Node 0 active_anon:884kB inactive_anon:57324kB active_file:72396kB inactive_file:89296kB unevictable:19140kB isolated(anon):0kB isolated(file):0kB mapped:61352kB dirty:2532kB writeback:0kB shmem:924kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:1856kB pagetables:1648kB all_unreclaimable? no
Node 0 DMA free:15036kB min:352kB low:440kB high:528kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 1893 1893 1893 1893
Node 0 DMA32 free:1696528kB min:44700kB low:55872kB high:67044kB reserved_highatomic:0KB active_anon:884kB inactive_anon:57324kB active_file:72396kB inactive_file:89296kB unevictable:19140kB writepending:2532kB present:2080640kB managed:2010036kB mlocked:19140kB bounce:0kB free_pcp:612kB local_pcp:612kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 1*4kB (U) 1*8kB (U) 1*16kB (U) 1*32kB (U) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 3*4096kB (M) = 15036kB
Node 0 DMA32: 0*4kB 4*8kB (UM) 25*16kB (UME) 151*32kB (UM) 56*64kB (UM) 21*128kB (ME) 36*256kB (UME) 47*512kB (UM) 41*1024kB (UM) 32*2048kB (UM) 377*4096kB (UM) = 1696528kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
42845 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524158 pages RAM
0 pages HighMem/MovableOnly
17809 pages reserved
0 pages hwpoisoned
Tasks state (memory values in pages):
[ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
[ 323] 0 323 9458 2766 77824 0 -250 systemd-journal
[ 356] 0 356 5886 1346 69632 0 -1000 systemd-udevd
[ 507] 0 507 70208 4646 98304 0 -1000 multipathd
[ 542] 101 542 21915 1391 69632 0 0 systemd-timesyn
[ 587] 102 587 4635 1882 73728 0 0 systemd-network
[ 589] 103 589 5875 2951 86016 0 0 systemd-resolve
[ 602] 0 602 1720 322 53248 0 0 cron
[ 603] 104 603 2159 1168 53248 0 -900 dbus-daemon
[ 608] 0 608 7543 4677 94208 0 0 networkd-dispat
[ 609] 107 609 55313 1248 73728 0 0 rsyslogd
[ 611] 0 611 311571 8248 221184 0 -900 snapd
[ 613] 0 613 3404 1668 65536 0 0 systemd-logind
[ 615] 0 615 98223 3142 126976 0 0 udisksd
[ 620] 0 620 1443 278 45056 0 0 agetty
[ 623] 0 623 1947 1147 57344 0 0 login
[ 650] 0 650 3283 1683 65536 0 -1000 sshd
[ 651] 0 651 27005 5232 106496 0 0 unattended-upgr
[ 661] 0 661 58546 1812 90112 0 0 polkitd
[ 856] 1000 856 3789 2157 73728 0 0 systemd
[ 857] 1000 857 25433 835 86016 0 0 (sd-pam)
[ 862] 1000 862 2208 1373 53248 0 0 bash
[ 876] 1000 876 2870 1356 57344 0 0 sudo
[ 877] 0 877 1899 1052 53248 0 0 bash
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/unattended-upgrades.service,task=unattended-upgr,pid=651,uid=0
Out of memory: Killed process 651 (unattended-upgr) total-vm:108020kB, anon-rss:8380kB, file-rss:12548kB, shmem-rss:0kB, UID:0 pgtables:104kB oom_score_adj:0
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
"""
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Add support for newer process table format
2021-12-21 20:32:49 +01:00
sorted_column_number = None
"""
Processes will sort by values in this column
Remove trailing whitespaces
2022-11-19 11:47:27 +01:00
@type: int
Add support for newer process table format
2021-12-21 20:32:49 +01:00
"""
Add sorting process table
2020-04-05 14:28:37 +02:00
sort_order = None
"""Sort order for process values"""
svg_array_updown = """
<svg width="8" height="11">
Use SVG <use/> to show small triangular icons
2021-07-29 02:39:44 +02:00
<use xlink:href="#svg_array_updown" />
Add sorting process table
2020-04-05 14:28:37 +02:00
</svg>
"""
"""SVG graphics with two black triangles UP and DOWN for sorting"""
svg_array_up = """
<svg width="8" height="11">
Use SVG <use/> to show small triangular icons
2021-07-29 02:39:44 +02:00
<use xlink:href="#svg_array_up" />
Add sorting process table
2020-04-05 14:28:37 +02:00
</svg>
"""
"""SVG graphics with one black triangle UP for sorting"""
svg_array_down = """
<svg width="8" height="11">
Use SVG <use/> to show small triangular icons
2021-07-29 02:39:44 +02:00
<use xlink:href="#svg_array_down" />
Add sorting process table
2020-04-05 14:28:37 +02:00
</svg>
"""
"""SVG graphics with one black triangle DOWN for sorting"""
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
def __init__(self):
Rework removal of unused information The columns left to the oom are not used. With this change, the algorithm becomes more robust and can better handle known special cases like "kernel:<processname>".
2021-07-24 00:28:38 +02:00
self.oom = None
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
self.set_HTML_defaults()
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
self.update_toc()
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
element = document.getElementById("version")
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
element.textContent = "v{}".format(VERSION)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
def _set_item(self, item):
Initial commit
2017-11-25 12:52:55 +01:00
"""
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
Paste the content into HTML elements with the ID / Class that matches the item name.
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
The content won't be formatted. Only suffixes for pages and kbytes are added in the singular or plural.
Initial commit
2017-11-25 12:52:55 +01:00
"""
Use classes selectors to simplify handling
2020-02-03 06:18:40 +01:00
elements = document.getElementsByClassName(item)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
for element in elements:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
content = self.oom_result.details.get(item, "")
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
if isinstance(content, str):
content = content.strip()
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if content == "<not found>":
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
row = element.parentNode
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
row.classList.add("js-text--display-none")
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if item.endswith("_pages") and isinstance(content, int):
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
if content == 1:
Fix issue that prevents units from being copied Units have been placed with the ::after selector. Content showing with this pseudo-element can't be selected and copied. Now the units are automatically added when the value is set.
2020-02-03 21:15:47 +01:00
content = "{} page".format(content)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
else:
Fix issue that prevents units from being copied Units have been placed with the ::after selector. Content showing with this pseudo-element can't be selected and copied. Now the units are automatically added when the value is set.
2020-02-03 21:15:47 +01:00
content = "{} pages".format(content)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if item.endswith("_bytes") and isinstance(content, int):
Add support for newer process table format
2021-12-21 20:32:49 +01:00
if content == 1:
content = "{} Byte".format(content)
else:
content = "{} Bytes".format(content)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if item.endswith("_kb") and isinstance(content, int):
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
if content == 1:
Fix issue that prevents units from being copied Units have been placed with the ::after selector. Content showing with this pseudo-element can't be selected and copied. Now the units are automatically added when the value is set.
2020-02-03 21:15:47 +01:00
content = "{} kByte".format(content)
Set a single value to several places Prior this change items are set to html elements with id of the same name. Now OOMDisplay._set_item() searches for elements with same-named id or with item name listed in class attribute. This allows to set one value to several places to once. Additional suffixes for pages and kbytes are added in the singular or plural automatically.
2020-01-06 22:11:51 +01:00
else:
Fix issue that prevents units from being copied Units have been placed with the ::after selector. Content showing with this pseudo-element can't be selected and copied. Now the units are automatically added when the value is set.
2020-02-03 21:15:47 +01:00
content = "{} kBytes".format(content)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if item.endswith("_percent") and isinstance(content, int):
Fix issue that prevents units from being copied Units have been placed with the ::after selector. Content showing with this pseudo-element can't be selected and copied. Now the units are automatically added when the value is set.
2020-02-03 21:15:47 +01:00
content = "{}%".format(content)
element.textContent = content
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
Initial commit
2017-11-25 12:52:55 +01:00
if DEBUG:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
show_element("notify_box")
Initial commit
2017-11-25 12:52:55 +01:00
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
def update_toc(self):
Show h2 headline in TOC only if id attr is set There are two conditions to show a h2 headline in TOC: * the headline is visible * the id attribute is set Thereby the css style js-flag-hide-from-toc won't be used anymore.
2019-11-21 08:14:12 +01:00
"""
Update the TOC to show current headlines only
There are two conditions to show a h2 headline in TOC:
* the headline is visible
* the id attribute is set
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
new_toc = ""
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
toc_content = document.querySelectorAll("nav > ul")[0]
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
for element in document.querySelectorAll("h2"):
Show h2 headline in TOC only if id attr is set There are two conditions to show a h2 headline in TOC: * the headline is visible * the id attribute is set Thereby the css style js-flag-hide-from-toc won't be used anymore.
2019-11-21 08:14:12 +01:00
if not (is_visible(element) and element.id):
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
continue
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
new_toc += '<li><a href="#{}">{}</a></li>'.format(
element.id, element.textContent
)
Add to the right an automatically generated TOC
2019-11-16 10:53:07 +01:00
toc_content.innerHTML = new_toc
Split OOMDisplay.show() into smaller pieces to improve the readability
2022-11-27 10:33:42 +01:00
def _show_pstable(self):
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
"""
Split OOMDisplay.show() into smaller pieces to improve the readability
2022-11-27 10:33:42 +01:00
Create and show the process table with additional information
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
"""
Add support for newer process table format
2021-12-21 20:32:49 +01:00
# update table heading
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
for i, element in enumerate(
document.querySelectorAll("#pstable_header > tr > td")
):
element.classList.remove(
"pstable__row-pages--width",
"pstable__row-numeric--width",
"pstable__row-oom-score-adj--width",
)
Add support for newer process table format
2021-12-21 20:32:49 +01:00
key = self.oom_result.kconfig.pstable_items[i]
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if key in ["notes", "names"]:
klass = "pstable__row-notes--width"
elif key == "oom_score_adj":
klass = "pstable__row-oom-score-adj--width"
elif (
key.endswith("_bytes") or key.endswith("_kb") or key.endswith("_pages")
):
klass = "pstable__row-pages--width"
Add support for newer process table format
2021-12-21 20:32:49 +01:00
else:
klass = "pstable__row-numeric--width"
element.firstChild.textContent = self.oom_result.kconfig.pstable_html[i]
element.classList.add(klass)
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
Add support for newer process table format
2021-12-21 20:32:49 +01:00
# create new table
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
new_table = ""
table_content = document.getElementById("pstable_content")
for pid in self.oom_result.details["_pstable_index"]:
if pid == self.oom_result.details["trigger_proc_pid"]:
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
css_class = 'class="js-pstable__triggerproc--bgcolor"'
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
elif pid == self.oom_result.details["killed_proc_pid"]:
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
css_class = 'class="js-pstable__killedproc--bgcolor"'
else:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
css_class = ""
process = self.oom_result.details["_pstable"][pid]
fmt_list = [
process[i]
for i in self.oom_result.kconfig.pstable_items
if not i == "pid"
]
Add support for newer process table format
2021-12-21 20:32:49 +01:00
fmt_list.insert(0, css_class)
fmt_list.insert(1, pid)
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
line = """
<tr {}>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
<td>{}</td>
</tr>
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
""".format(
*fmt_list
)
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
new_table += line
table_content.innerHTML = new_table
Add support for newer process table format
2021-12-21 20:32:49 +01:00
def pstable_set_sort_triangle(self):
Add sorting process table
2020-04-05 14:28:37 +02:00
"""Set the sorting symbols for all columns in the process table"""
Add support for newer process table format
2021-12-21 20:32:49 +01:00
for column_name in self.oom_result.kconfig.pstable_items:
column_number = self.oom_result.kconfig.pstable_items.index(column_name)
element_id = "js-pstable_sort_col{}".format(column_number)
Add sorting process table
2020-04-05 14:28:37 +02:00
element = document.getElementById(element_id)
if not element:
internal_error('Missing id "{}" in process table.'.format(element_id))
continue
Add support for newer process table format
2021-12-21 20:32:49 +01:00
if column_number == self.sorted_column_number:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
if self.sort_order == "descending":
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
element.innerHTML = self.svg_array_down
Add sorting process table
2020-04-05 14:28:37 +02:00
else:
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
element.innerHTML = self.svg_array_up
Add sorting process table
2020-04-05 14:28:37 +02:00
else:
Bad indentation and tailing whitespaces
2020-04-07 14:47:48 +02:00
element.innerHTML = self.svg_array_updown
Add sorting process table
2020-04-05 14:28:37 +02:00
Use textarea placeholder instead of own code <textarea placeholder="..."> is more simple that writing own code. Thereby the own code / logic has been removed.
2020-07-15 21:10:37 +02:00
def set_HTML_defaults(self):
Don't clean elements when set back to defaults The elements are not shown, thereby a cleanup isn't necessary. When the elements are shown again, new values are set and overwrite the old one.
2020-02-03 21:22:44 +01:00
"""Reset the HTML document but don't clean elements"""
Use CSS to show/hide elements in default view
2019-11-13 20:48:44 +01:00
# hide all elements marked to be hidden by default
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
hide_elements(".js-text--default-hide")
Use CSS to show/hide elements in default view
2019-11-13 20:48:44 +01:00
# show all elements marked to be shown by default
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
show_elements(".js-text--default-show")
Initial commit
2017-11-25 12:52:55 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
# show hidden rows
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
show_elements("table .js-text--display-none")
Initial commit
2017-11-25 12:52:55 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
# clear notification box
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
element = document.getElementById("notify_box")
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
while element.firstChild:
element.removeChild(element.firstChild)
Initial commit
2017-11-25 12:52:55 +01:00
Add support for newer process table format
2021-12-21 20:32:49 +01:00
# remove svg charts
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
for element_id in ("svg_swap", "svg_ram"):
Add support for newer process table format
2021-12-21 20:32:49 +01:00
element = document.getElementById(element_id)
while element.firstChild:
element.removeChild(element.firstChild)
self._clear_pstable()
def _clear_pstable(self):
"""Clear process table"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
element = document.getElementById("pstable_content")
Replace plain text process table by an HTML table and mark the trigger process and the killed process.
2020-03-26 13:46:20 +01:00
while element.firstChild:
element.removeChild(element.firstChild)
Add sorting process table
2020-04-05 14:28:37 +02:00
# reset sort triangles
Add support for newer process table format
2021-12-21 20:32:49 +01:00
self.sorted_column_number = None
Add sorting process table
2020-04-05 14:28:37 +02:00
self.sort_order = None
Add support for newer process table format
2021-12-21 20:32:49 +01:00
self.pstable_set_sort_triangle()
Add sorting process table
2020-04-05 14:28:37 +02:00
Add support for newer process table format
2021-12-21 20:32:49 +01:00
# reset table heading
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
for i, element in enumerate(
document.querySelectorAll("#pstable_header > tr > td")
):
element.classList.remove(
"pstable__row-pages--width",
"pstable__row-numeric--width",
"pstable__row-oom-score-adj--width",
)
Add support for newer process table format
2021-12-21 20:32:49 +01:00
element.firstChild.textContent = "col {}".format(i + 1)
Initial commit
2017-11-25 12:52:55 +01:00
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
def copy_example_rhel7_to_form(self):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
document.getElementById("textarea_oom").value = self.example_rhel7
Add support for newer kernels Suggested-by: Mikko Rantalainen <mikko.rantalainen@gmail.com>
2021-10-23 14:37:02 +02:00
def copy_example_ubuntu_to_form(self):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
2022-06-22 21:16:21 +02:00
document.getElementById("textarea_oom").value = self.example_ubuntu2110
Initial commit
2017-11-25 12:52:55 +01:00
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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def reset_form(self):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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document.getElementById("textarea_oom").value = ""
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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self.set_HTML_defaults()
Add to the right an automatically generated TOC
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self.update_toc()
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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Hide full OOM message at and of the table Since all elements are extracted and shown already. The original OOM text is faded out. Click to notice next by the head line to expand the full message again.
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def toggle_oom(self, show=False):
"""Toggle the visibility of the full OOM message"""
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oom_element = document.getElementById("oom")
Hide full OOM message at and of the table Since all elements are extracted and shown already. The original OOM text is faded out. Click to notice next by the head line to expand the full message again.
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row_with_oom = oom_element.parentNode.parentNode
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toggle_msg = document.getElementById("oom_toogle_msg")
Hide full OOM message at and of the table Since all elements are extracted and shown already. The original OOM text is faded out. Click to notice next by the head line to expand the full message again.
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if show or row_with_oom.classList.contains("js-text--display-none"):
row_with_oom.classList.remove("js-text--display-none")
Hide full OOM message at and of the table Since all elements are extracted and shown already. The original OOM text is faded out. Click to notice next by the head line to expand the full message again.
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toggle_msg.text = "(click to hide)"
else:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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row_with_oom.classList.add("js-text--display-none")
Hide full OOM message at and of the table Since all elements are extracted and shown already. The original OOM text is faded out. Click to notice next by the head line to expand the full message again.
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toggle_msg.text = "(click to show)"
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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def analyse_and_show(self):
"""Analyse the OOM text inserted into the form and show the results"""
Use a better describing name for class OOM
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self.oom = OOMEntity(self.load_from_form())
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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Clarify comment in OOMDisplay.analyse_and_show()
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# set defaults and clear notifications
Use textarea placeholder instead of own code <textarea placeholder="..."> is more simple that writing own code. Thereby the own code / logic has been removed.
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self.set_HTML_defaults()
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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analyser = OOMAnalyser(self.oom)
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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success = analyser.analyse()
if success:
self.oom_result = analyser.oom_result
self.show_oom_details()
self.update_toc()
else:
# don't show results - just return
return
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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def load_from_form(self):
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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"""
Return the OOM text from textarea element
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@rtype: str
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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"""
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element = document.getElementById("textarea_oom")
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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oom_text = element.value
return oom_text
Restructure code to analyse OOM This code changes should simplify future extension of the analysis and calculation code.
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def show_oom_details(self):
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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"""
Show all extracted details as well as additionally generated information
"""
Split OOMDisplay.show() into smaller pieces to improve the readability
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self._show_items()
self._show_swap_usage()
self._show_ram_usage()
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self._show_alloc_failure()
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self._show_memory_fragmentation()
Hide "OOM Score" if not available
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Replace plain text process table by an HTML table and mark the trigger process and the killed process.
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# generate process table
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self._show_pstable()
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self.pstable_set_sort_triangle()
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Split OOMDisplay.show() into smaller pieces to improve the readability
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element = document.getElementById("oom")
element.textContent = self.oom_result.oom_text
self.toggle_oom(show=False)
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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Add analysis why the memory request failed
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def _show_alloc_failure(self):
"""Show details why the memory allocation failed"""
if (
self.oom_result.mem_alloc_failure
== OOMMemoryAllocFailureType.failed_below_low_watermark
):
show_elements(".js-alloc-failure--show")
show_elements(".js-alloc-failure-below-low-watermark--show")
elif (
self.oom_result.mem_alloc_failure
== OOMMemoryAllocFailureType.failed_no_free_chunks
):
show_elements(".js-alloc-failure--show")
show_elements(".js-alloc-failure-no-free-chunks--show")
elif (
self.oom_result.mem_alloc_failure
== OOMMemoryAllocFailureType.failed_unknown_reason
):
show_elements(".js-alloc-failure--show")
show_elements(".js-alloc-failure-unknown-reason-show")
else:
hide_elements(".js-alloc-failure--show")
Add check for heavy memory fragmentation
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def _show_memory_fragmentation(self):
"""Show details about memory fragmentation"""
if self.oom_result.mem_fragmented is None:
return
show_elements(".js-memory-fragmentation--show")
if self.oom_result.mem_fragmented:
show_elements(".js-memory-heavy-fragmentation--show")
else:
show_elements(".js-memory-no-heavy-fragmentation--show")
Split OOMDisplay.show() into smaller pieces to improve the readability
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def _show_ram_usage(self):
"""Generate RAM usage diagram"""
Filter out non-existent elements from SVG making
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ram_title_attr = (
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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("Active mem", "active_anon_pages"),
("Inactive mem", "inactive_anon_pages"),
("Isolated mem", "isolated_anon_pages"),
("Active PC", "active_file_pages"),
("Inactive PC", "inactive_file_pages"),
("Isolated PC", "isolated_file_pages"),
("Unevictable", "unevictable_pages"),
("Dirty", "dirty_pages"),
("Writeback", "writeback_pages"),
("Unstable", "unstable_pages"),
("Slab reclaimable", "slab_reclaimable_pages"),
("Slab unreclaimable", "slab_unreclaimable_pages"),
("Mapped", "mapped_pages"),
("Shared", "shmem_pages"),
("Pagetable", "pagetables_pages"),
("Bounce", "bounce_pages"),
("Free", "free_pages"),
("Free PCP", "free_pcp_pages"),
("Free CMA", "free_cma_pages"),
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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chart_elements = [
(title, self.oom_result.details[value])
for title, value in ram_title_attr
if value in self.oom_result.details
]
Rework memory charts to show all items in legend
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svg = SVGChart()
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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svg_ram = svg.generate_chart("RAM Summary", *chart_elements)
elem_svg_ram = document.getElementById("svg_ram")
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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elem_svg_ram.appendChild(svg_ram)
Split OOMDisplay.show() into smaller pieces to improve the readability
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def _show_swap_usage(self):
"""Show/hide swap space and generate usage diagram"""
if self.oom_result.swap_active:
# generate swap usage diagram
svg = SVGChart()
svg_swap = svg.generate_chart(
"Swap Summary",
("Swap Used", self.oom_result.details["swap_used_kb"]),
("Swap Free", self.oom_result.details["swap_free_kb"]),
("Swap Cached", self.oom_result.details["swap_cache_kb"]),
)
elem_svg_swap = document.getElementById("svg_swap")
elem_svg_swap.appendChild(svg_swap)
show_elements(".js-swap-active--show")
hide_elements(".js-swap-inactive--show")
else:
hide_elements(".js-swap-active--show")
show_elements(".js-swap-inactive--show")
def _show_items(self):
"""Switch to output view and show most items"""
hide_element("input")
show_element("analysis")
if self.oom_result.oom_type == OOMEntityType.manual:
hide_elements(".js-oom-automatic--show")
show_elements(".js-oom-manual--show")
else:
show_elements(".js-oom-automatic--show")
hide_elements(".js-oom-manual--show")
for item in self.oom_result.details.keys():
# ignore internal items
if item.startswith("_"):
continue
self._set_item(item)
# Hide "OOM Score" if not available
# since KernelConfig_5_0.EXTRACT_PATTERN_OVERLAY_50['Process killed by OOM']
if "killed_proc_score" in self.oom_result.details:
show_elements(".js-killed-proc-score--show")
else:
hide_elements(".js-killed-proc-score--show")
Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
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Add support for newer process table format
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def sort_pstable(self, column_number):
"""
Sort process table by values
:param int column_number: Number of column to sort
"""
Unify ps table column names in class KernelConfig
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# TODO Check operator overloading
# Operator overloading (Pragma opov) does not work in this context.
Add support for newer process table format
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# self.oom_result.kconfig.pstable_items + ['notes'] will compile to a string
Unify ps table column names in class KernelConfig
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# "pid,uid,tgid,total_vm_pages,rss_pages,nr_ptes_pages,swapents_pages,oom_score_adjNotes" and not to an
# array
Add support for newer process table format
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ps_table_and_notes = self.oom_result.kconfig.pstable_items[:]
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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ps_table_and_notes.append("notes")
Add support for newer process table format
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column_name = ps_table_and_notes[column_number]
Unify ps table column names in class KernelConfig
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if column_name not in ps_table_and_notes:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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internal_error(
'Can not sort process table with an unknown column name "{}"'.format(
column_name
)
)
Add sorting process table
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return
# reset sort order if the column has changes
Add support for newer process table format
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if column_number != self.sorted_column_number:
Add sorting process table
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self.sort_order = None
Add support for newer process table format
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self.sorted_column_number = column_number
Add sorting process table
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Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if not self.sort_order or self.sort_order == "descending":
self.sort_order = "ascending"
Add sorting process table
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self.sort_psindex_by_column(column_name)
else:
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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self.sort_order = "descending"
Add sorting process table
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self.sort_psindex_by_column(column_name, True)
Split OOMDisplay.show() into smaller pieces to improve the readability
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self._show_pstable()
Add support for newer process table format
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self.pstable_set_sort_triangle()
Add sorting process table
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def sort_psindex_by_column(self, column_name, reverse=False):
"""
Add support for newer process table format
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Sort the pid list '_pstable_index' based on the values in the process dict '_pstable'.
Add sorting process table
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Is uses bubble sort with all disadvantages but just a few lines of code
"""
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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ps = self.oom_result.details["_pstable"]
ps_index = self.oom_result.details["_pstable_index"]
Add sorting process table
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Rename two variables to prevent shadowing Shadowing isn't the problem here, but IDEs checker is complaining ...
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def getvalue(column, pos):
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if column == "pid":
Rename two variables to prevent shadowing Shadowing isn't the problem here, but IDEs checker is complaining ...
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value = ps_index[pos]
Add sorting process table
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else:
Rename two variables to prevent shadowing Shadowing isn't the problem here, but IDEs checker is complaining ...
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value = ps[ps_index[pos]][column]
Add sorting process table
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# JS sorts alphanumeric by default, convert values explicit to integers to sort numerically
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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if (
column not in self.oom_result.kconfig.pstable_non_ints
and value is not js_undefined
):
Add sorting process table
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value = int(value)
return value
# We set swapped to True so the loop looks runs at least once
swapped = True
while swapped:
swapped = False
for i in range(len(ps_index) - 1):
v1 = getvalue(column_name, i)
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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v2 = getvalue(column_name, i + 1)
Add sorting process table
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if (not reverse and v1 > v2) or (reverse and v1 < v2):
Bad indentation and tailing whitespaces
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# Swap the elements
Blackify source Use Black "The uncompromising code formatter" to automatically format the source code in a consistent manner.
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ps_index[i], ps_index[i + 1] = ps_index[i + 1], ps_index[i]
Add sorting process table
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Bad indentation and tailing whitespaces
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# Set the flag to True so we'll loop again
swapped = True
Add sorting process table
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Initial commit
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Separate analysis and visualisation Extract code to display details from code to analyse/split the OOM. This should simplify later extensions as well as later written unit tests.
2018-09-11 19:49:39 +02:00
OOMDisplayInstance = OOMDisplay()
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