0b28630248
This change solves a bug where the content of the OOM input field has been accessed in a wrong way.
716 lines
30 KiB
Python
716 lines
30 KiB
Python
# -*- coding: Latin-1 -*-
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#
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# Linux OOM Analyser
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#
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# Copyright (c) 2017 Carsten Grohmann
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# License: MIT - THIS PROGRAM COMES WITH NO WARRANTY
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import re
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DEBUG=False
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"""Show additional information during the development cycle"""
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VERSION="0.1.0"
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"""Version number"""
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def hide_element(element_id):
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"""Hide the given HTML element"""
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document.getElementById(element_id).style.display = 'none'
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def show_element(element_id):
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"""Show the given HTML element"""
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document.getElementById(element_id).style.display = 'block'
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def toggle(element_id):
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"""Toggle the visibility of the given HTML element"""
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element = document.getElementById(element_id)
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display_prop = element.style.display
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if display_prop and display_prop == 'block':
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element.style.display = 'none'
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else:
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element.style.display = 'block'
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def error(msg):
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"""Unhide the error box and add the error message"""
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show_element("error_box")
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print("ERROR: ", msg)
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class OOM(object):
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REC_TIMESTAMP = re.compile(
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r'('
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r'\[\s+\d+\.\d+\]'
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r'|'
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r'\[[A-Z]+[\w ]+ +\d{1,2} \d{2}:\d{2}:\d{2} \d{4}\]'
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r') ', re.ASCII)
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i = 0
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lines = []
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complete = False
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def __init__(self, text):
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# use Unix LF only
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text = text.replace('\r\n', '\r')
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# Split into lines
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oom_lines = []
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inside_oom = False
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for line in text.split('\n'):
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if "invoked oom-killer:" in line:
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inside_oom = True
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elif not inside_oom:
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continue
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# Remove leading timestamps
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line = self.REC_TIMESTAMP.sub('', line)
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# remove empty lines
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if not line.strip():
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continue
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oom_lines.append(line)
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# next line will not be part of the oom anymore
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if "Killed process" in line:
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inside_oom = False
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break
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self.i = 0
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self.complete = not inside_oom
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self.lines = oom_lines
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self.text = '\n'.join(oom_lines)
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def back(self):
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"""Return the previous line"""
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if self.i - 1 < 0:
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raise StopIteration()
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self.i -= 1
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return self.lines[self.i]
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def current(self):
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"""Return the current line"""
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return self.lines[self.i]
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def next(self):
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"""Return the next line"""
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if self.i + 1 < len(self.lines):
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self.i += 1
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return self.lines[self.i]
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raise StopIteration()
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def find_text(self, pattern):
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"""
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Search the pattern and set the position to the first found line.
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Otherwise the position pointer won't be changed.
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:param pattern: Text to fine
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:type pattern: str
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:return: True if the marker has found.
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"""
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for line in self.lines:
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if pattern in line:
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self.i = self.lines.index(line)
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return True
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return False
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def __iter__(self):
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return self
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def __next__(self):
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return self.next()
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class OOMAnalyser(object):
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example = u'''\
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sed invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
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sed cpuset=/ mems_allowed=0-1
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CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
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Hardware name: HP ProLiant DL385 G7, BIOS A18 12/08/2012
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ffff880182272f10 00000000021dcb0a ffff880418207938 ffffffff816861ac
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ffff8804182079c8 ffffffff81681157 ffffffff810eab9c ffff8804182fe910
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ffff8804182fe928 0000000000000202 ffff880182272f10 ffff8804182079b8
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Call Trace:
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[<ffffffff816861ac>] dump_stack+0x19/0x1b
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[<ffffffff81681157>] dump_header+0x8e/0x225
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[<ffffffff810eab9c>] ? ktime_get_ts64+0x4c/0xf0
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[<ffffffff8113ccaf>] ? delayacct_end+0x8f/0xb0
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[<ffffffff8118475e>] oom_kill_process+0x24e/0x3c0
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[<ffffffff811841fd>] ? oom_unkillable_task+0xcd/0x120
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[<ffffffff811842a6>] ? find_lock_task_mm+0x56/0xc0
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[<ffffffff810937ee>] ? has_capability_noaudit+0x1e/0x30
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[<ffffffff81184f96>] out_of_memory+0x4b6/0x4f0
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[<ffffffff81681c60>] __alloc_pages_slowpath+0x5d7/0x725
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[<ffffffff8118b0a5>] __alloc_pages_nodemask+0x405/0x420
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[<ffffffff811cf25a>] alloc_pages_current+0xaa/0x170
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[<ffffffff81180667>] __page_cache_alloc+0x97/0xb0
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[<ffffffff811831b0>] filemap_fault+0x170/0x410
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[<ffffffffa018f016>] ext4_filemap_fault+0x36/0x50 [ext4]
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[<ffffffff811ac2ec>] __do_fault+0x4c/0xc0
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[<ffffffff811ac783>] do_read_fault.isra.42+0x43/0x130
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[<ffffffff811b0f11>] handle_mm_fault+0x6b1/0xfe0
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[<ffffffff811b7825>] ? do_mmap_pgoff+0x305/0x3c0
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[<ffffffff81691c94>] __do_page_fault+0x154/0x450
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[<ffffffff81691fc5>] do_page_fault+0x35/0x90
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[<ffffffff8168e288>] page_fault+0x28/0x30
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Mem-Info:
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active_anon:7355653 inactive_anon:660960 isolated_anon:0
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active_file:1263 inactive_file:1167 isolated_file:32
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unevictable:0 dirty:4 writeback:0 unstable:0
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slab_reclaimable:27412 slab_unreclaimable:13708
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mapped:4818 shmem:87896 pagetables:25222 bounce:0
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free:39513 free_pcp:2958 free_cma:0
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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
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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
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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
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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
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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
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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
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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
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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
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Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
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Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
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Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
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Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
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100155 total pagecache pages
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11342 pages in swap cache
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Swap cache stats: add 31260615, delete 31249273, find 295999950/297583545
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Free swap = 0kB
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Total swap = 8388604kB
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8379834 pages RAM
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0 pages HighMem/MovableOnly
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192987 pages reserved
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[ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
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[ 390] 0 390 39012 6739 78 51 0 systemd-journal
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[ 433] 0 433 11104 2 22 360 -1000 systemd-udevd
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[ 530] 0 530 13854 28 27 83 -1000 auditd
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[ 559] 0 559 7692 65 19 87 0 systemd-logind
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[ 563] 0 563 4817 41 14 36 0 irqbalance
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[ 569] 87 569 7684 52 20 48 -900 dbus-daemon
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[ 587] 32 587 16240 17 34 116 0 rpcbind
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[ 647] 0 647 50303 11 36 113 0 gssproxy
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[ 796] 0 796 193856 2897 207 112 0 rsyslogd
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[ 818] 0 818 13177 0 27 146 0 vsftpd
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[ 840] 0 840 62892 9 36 103 0 ypbind
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[ 868] 0 868 21663 28 43 191 -1000 sshd
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[ 871] 29 871 11126 2 25 222 0 rpc.statd
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[ 907] 0 907 8044 4 21 53 0 atd
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[ 916] 0 916 27509 2 10 30 0 agetty
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[ 934] 0 934 27509 2 10 31 0 agetty
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[ 1255] 0 1255 45716 1 39 337 0 rscd
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[ 1268] 0 1268 45746 28 38 353 0 rscd
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[ 1269] 0 1269 45716 29 38 311 0 rscd
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[ 1285] 0 1285 23290 25 45 235 0 master
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[ 1287] 89 1287 23379 52 47 242 0 qmgr
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[ 1830] 0 1830 446643 959 68 1234 0 ovcd
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[ 2062] 0 2062 144894 511 37 309 0 ovbbccb
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[ 2121] 0 2121 33138 26 19 138 0 crond
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[ 2136] 38 2136 7846 40 19 88 0 ntpd
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[ 2451] 0 2451 177827 0 36 816 0 ovconfd
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[ 8145] 0 8145 300303 1616 58 692 0 hpsensor
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[ 8204] 0 8204 31508 119 31 328 0 opcmsgi
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[ 8405] 0 8405 201479 1289 49 244 0 opcmsga
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[ 8472] 0 8472 134080 236 46 514 0 opcmona
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[ 8596] 0 8596 31377 172 29 301 0 opcle
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[ 8658] 0 8658 81199 124 34 336 0 opcacta
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[ 8685] 0 8685 137169 23313 97 3256 0 oacore
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[ 6330] 12345 6330 7520 15 18 61 0 rotatelogs
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[ 6331] 12345 6331 28318 0 12 83 0 run.sh
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[ 6576] 12345 6576 8478546 5157063 15483 1527848 0 java
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[27171] 12345 27171 7522 10 18 58 0 rotatelogs
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[27172] 12345 27172 28320 3 11 94 0 run.sh
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[27502] 12345 27502 4029300 2716569 6505 226225 0 java
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[11729] 0 11729 64122 5003 79 2465 0 snmpd
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[12130] 0 12130 122202 565 29 175 0 hpasmlited
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[12166] 0 12166 11905 89 24 121 0 cmahealthd
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[12190] 0 12190 11871 89 24 119 0 cmastdeqd
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[12214] 0 12214 13707 84 31 211 0 cmahostd
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[12237] 0 12237 12493 38 28 352 0 cmathreshd
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[12276] 0 12276 12368 45 30 210 0 cmasm2d
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[12299] 0 12299 12485 43 26 282 0 cmaperfd
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[12324] 0 12324 31932 184 31 143 0 cmapeerd
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[12352] 0 12352 14280 48 32 169 0 cmaeventd
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[12379] 0 12379 14831 26 30 198 0 cmafcad
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[12407] 0 12407 11806 12 25 128 0 cmasasd
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[12436] 0 12436 14364 86 31 181 0 cmaidad
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[12463] 0 12463 11288 15 25 125 0 cmaided
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[12492] 0 12492 11805 14 26 127 0 cmascsid
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[12523] 0 12523 92228 129 63 433 0 cmanicd
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[14002] 0 14002 11803 12 25 128 0 cmasm2d
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[32615] 0 32615 36254 323 73 7 0 sshd
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[ 894] 12345 894 36254 328 70 5 0 sshd
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[ 895] 12345 895 3389 123 11 0 0 ksh
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[10620] 0 10620 36254 328 72 0 0 sshd
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[10634] 38714 10634 36290 329 70 8 0 sshd
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[10635] 38714 10635 14221 25 31 124 0 sftp-server
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[29021] 0 29021 36254 314 69 0 0 sshd
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[29025] 12345 29025 36254 316 67 0 0 sshd
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[29026] 12345 29026 29286 96 12 1 0 ksh
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[29051] 12345 29051 29494 330 12 74 0 svr05
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[29979] 12345 29979 1666 42 9 0 0 less
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[29662] 89 29662 23316 258 43 0 0 pickup
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[26065] 89 26065 23317 256 45 0 0 trivial-rewrite
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[26066] 89 26066 23353 265 45 0 0 cleanup
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[26067] 89 26067 23368 271 45 0 0 smtp
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[26743] 0 26743 36254 314 68 0 0 sshd
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[26937] 12345 26937 36254 314 67 0 0 sshd
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[26938] 12345 26938 29286 96 11 0 0 ksh
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[27122] 12345 27122 29494 459 12 0 0 svr05
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[28657] 0 28657 36254 314 74 0 0 sshd
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[28702] 12345 28702 36254 314 72 0 0 sshd
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[28703] 12345 28703 29286 97 11 0 0 ksh
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[28993] 0 28993 36254 314 72 0 0 sshd
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[28996] 12345 28996 29526 531 12 0 0 svr05
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[29006] 12345 29006 36254 314 69 0 0 sshd
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[29007] 12345 29007 29286 96 11 0 0 ksh
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[29110] 12345 29110 29558 745 12 0 0 svr05
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[29481] 12345 29481 29214 58 14 0 0 sed
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[29752] 12345 29752 7522 296 19 0 0 rotatelogs
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Out of memory: Kill process 6576 (java) score 651 or sacrifice child
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Killed process 6576 (java) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0kB, shmem-rss:0kB
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'''
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REC_INVOKED_OOMKILLER = re.compile(r'^(?P<trigger_proc_name>[\w ]+) invoked oom-killer:', re.MULTILINE)
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REC_PID_KERNELVERSION = re.compile(
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r'^CPU: \d+ PID: (?P<trigger_proc_pid>\d+) '
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r'Comm: .* (Not tainted|Tainted:.*) '
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r'(?P<kernel_version>\d[\w.-]+) #\d',
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re.MULTILINE
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)
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# split caused by a limited number of iterations during converting PY regex into JS regex
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REC_MEMINFO_1 = re.compile(
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# head line
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r'^Mem-Info:.*'
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# first line break
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r'(?:\n)'
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# first line (starting with a space)
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r'^active_anon:(?P<active_anon_pages>\d+) inactive_anon:(?P<inactive_anon_pages>\d+) '
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r'isolated_anon:(?P<isolated_anon_pages>\d+)'
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# next line break
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r'(?:\n)'
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# remaining lines (with leading space)
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r'^ active_file:(?P<active_file_pages>\d+) inactive_file:(?P<inactive_file_pages>\d+) '
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r'isolated_file:(?P<isolated_file_pages>\d+)'
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# next line break
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r'(?:\n)'
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r'^ unevictable:(?P<unevictable_pages>\d+) dirty:(?P<dirty_pages>\d+) writeback:(?P<writeback_pages>\d+) '
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r'unstable:(?P<unstable_pages>\d+)'
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# # next line break
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# r'(?:\n)'
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#
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, re.MULTILINE
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)
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REC_MEMINFO_2 = re.compile(
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r'^ slab_reclaimable:(?P<slab_reclaimable_pages>\d+) slab_unreclaimable:(?P<slab_unreclaimable_pages>\d+)'
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# next line break
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r'(?:\n)'
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r'^ mapped:(?P<mapped_pages>\d+) shmem:(?P<shmem_pages>\d+) pagetables:(?P<pagetables_pages>\d+) '
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r'bounce:(?P<bounce_pages>\d+)'
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# next line break
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r'(?:\n)'
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r'^ free:(?P<free_pages>\d+) free_pcp:(?P<free_pcp_pages>\d+) free_cma:(?P<free_cma_pages>\d+)'
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, re.MULTILINE
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)
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REC_MEM_NODEINFO = re.compile(r'(^Node \d+ (DMA|Normal|hugepages).*(:?\n))+', re.MULTILINE)
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mem_modinfo_entries = ("active_anon_pages", "inactive_anon_pages", "isolated_anon_pages",
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"active_file_pages", "inactive_file_pages", "isolated_file_pages",
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"unevictable_pages", "dirty_pages", "writeback_pages", "unstable_pages",
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"slab_reclaimable_pages", "slab_unreclaimable_pages",
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"mapped_pages", "shmem_pages", "pagetables_pages", "bounce_pages",
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"free_pages", "free_pcp_pages", "free_cma_pages",
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)
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REC_PAGECACHE = re.compile(r'^(?P<pagecache_total_pages>\d+) total pagecache pages.*$', re.MULTILINE)
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REC_SWAP = re.compile(
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r'^(?P<swap_cache_pages>\d+) pages in swap cache'
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r'(?:\n)'
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r'^Swap cache stats: add \d+, delete \d+, find \d+/\d+'
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r'(?:\n)'
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r'^Free swap = (?P<swap_free_kb>\d+)kB'
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r'(?:\n)'
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r'^Total swap = (?P<swap_total_kb>\d+)kB',
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re.MULTILINE)
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REC_PAGEINFO = re.compile(
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r'^(?P<ram_pages>\d)+ pages RAM'
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r'(?:\n)'
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r'^(?P<highmem_pages>\d+) pages HighMem/MovableOnly'
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r'(?:\n)'
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r'^(?P<reserved_pages>\d+) pages reserved',
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re.MULTILINE)
|
|
|
|
REC_PROCESSES = re.compile(
|
|
r'^\[ pid \].*(?:\n)'
|
|
r'(^(\[[ \d]+.+)(?:\n))+',
|
|
re.MULTILINE)
|
|
|
|
REC_KILLED = re.compile(
|
|
r'^Out of memory: Kill process (?P<killed_proc_pid>\d+) \((?P<killed_proc_name>[\w ]+)\) '
|
|
r'score (?P<killed_proc_score>\d+) or sacrifice child'
|
|
r'(?:\n)'
|
|
r'Killed process \d+ \(.*\) total-vm:(?P<killed_proc_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'
|
|
,
|
|
re.MULTILINE)
|
|
|
|
lines = []
|
|
"""All lines of an OOM without leading timestamps"""
|
|
|
|
details = {}
|
|
"""Extracted details"""
|
|
|
|
# Reference to the OOM object
|
|
oom = None
|
|
|
|
svg_namespace = 'http://www.w3.org/2000/svg'
|
|
|
|
svg_colours = ['#f20000', '#591616', '#cc6666', '#594343', '#d96c36',
|
|
'#7f5540', '#e6bfac', '#b27700', '#402b00', '#ffd580',
|
|
'#8c8c69', '#99e600', '#558000', '#d2e6ac', '#464d39',
|
|
'#004d00', '#36d96c', '#6cd9b5', '#005959', '#004d4d',
|
|
'#004040', '#739999', '#297ca6', '#80d5ff', '#1a2b33',
|
|
]
|
|
|
|
def __init__(self):
|
|
self._set_defaults()
|
|
|
|
element = document.getElementById('version')
|
|
element.textContent = "v{}".format(VERSION)
|
|
|
|
def _set_single_item(self, item):
|
|
"""
|
|
Set content of a single item to the HTML element with the same name.
|
|
|
|
The content won't be formatted.
|
|
"""
|
|
element = document.getElementById(item)
|
|
if not element:
|
|
print("ERROR: HTML element not found: ", item)
|
|
return
|
|
content = self.details.get(item, '')
|
|
if type(content) is str:
|
|
content = content.strip()
|
|
element.textContent = content
|
|
if DEBUG:
|
|
show_element('error_box')
|
|
|
|
def _set_defaults(self, clean_oom=True):
|
|
"""\
|
|
Reset the whole HTML document
|
|
"""
|
|
if clean_oom:
|
|
document.getElementById('textarea_oom').value = "<paste your OOM here>"
|
|
|
|
hide_element("analysis")
|
|
show_element("input")
|
|
|
|
self.lines = []
|
|
self.details = {}
|
|
for item in self.mem_modinfo_entries:
|
|
element = document.getElementById(item)
|
|
element.textContent = ""
|
|
|
|
# empty terminal
|
|
element = document.getElementById('__terminal__')
|
|
element.textContent = ""
|
|
hide_element('error_box')
|
|
|
|
# remove svg charts
|
|
for element_id in ('svg_swap', 'svg_ram'):
|
|
element = document.getElementById(element_id)
|
|
while element.firstChild:
|
|
element.removeChild(element.firstChild)
|
|
|
|
def _create_svg_element(self, height, width):
|
|
"""
|
|
Return an empty SVG element
|
|
"""
|
|
svg = document.createElementNS(self.svg_namespace, 'svg')
|
|
svg.setAttribute('version', '1.1')
|
|
svg.setAttribute('height', height)
|
|
svg.setAttribute('width', width)
|
|
svg.setAttribute('viewBox', '0 0 {} {}'.format(width, height))
|
|
return svg
|
|
|
|
def _create_svg_rect(self, x=0, y=0, width=0, height=0, colour=None):
|
|
rect = document.createElementNS(self.svg_namespace, 'rect')
|
|
if x:
|
|
rect.setAttribute('x', x)
|
|
if y:
|
|
rect.setAttribute('y', y)
|
|
if width:
|
|
rect.setAttribute('width', width)
|
|
if height:
|
|
rect.setAttribute('height', height)
|
|
if colour:
|
|
rect.setAttribute('fill', colour)
|
|
return rect
|
|
|
|
def _generate_svg_bar_chart(self, *elements):
|
|
"""
|
|
Generate a SVG bar chart
|
|
"""
|
|
bar_height = 100
|
|
label_height = 80
|
|
length_factor = 4
|
|
overall_height = bar_height + label_height
|
|
overall_width = 100 * length_factor
|
|
|
|
svg = self._create_svg_element(overall_height, overall_width)
|
|
|
|
sum_all_elements = sum([length for unused, length in elements])
|
|
|
|
current_pos = 0
|
|
bar_group = document.createElementNS(self.svg_namespace, 'g')
|
|
bar_group.setAttribute('id', 'bar_group')
|
|
bar_group.setAttribute('stroke', 'black')
|
|
bar_group.setAttribute('stroke-width', 2)
|
|
|
|
nr_processed_elements = 0
|
|
for title, length in elements:
|
|
rect_len = int(100 * length / sum_all_elements) * length_factor
|
|
|
|
if not rect_len:
|
|
continue
|
|
|
|
colour = self.svg_colours[nr_processed_elements]
|
|
|
|
rect = self._create_svg_rect(current_pos, 0, rect_len, bar_height, colour)
|
|
bar_group.appendChild(rect)
|
|
|
|
label_group = document.createElementNS(self.svg_namespace, 'g')
|
|
label_group.setAttribute('id', title)
|
|
colour_rect = self._create_svg_rect(0, 0, 20, 20, colour)
|
|
colour_rect.setAttribute('stroke', 'black')
|
|
colour_rect.setAttribute('stroke-width', 2)
|
|
|
|
text = document.createElementNS(self.svg_namespace, 'text')
|
|
text.setAttribute('x', '30')
|
|
text.setAttribute('y', '18')
|
|
text.textContent = title
|
|
|
|
label_group.appendChild(colour_rect)
|
|
label_group.appendChild(text)
|
|
|
|
# TODO replace hardcoded values
|
|
x = 5 + 125 * (nr_processed_elements // 2)
|
|
y = bar_height + 10 + (nr_processed_elements % 2) * 40
|
|
label_group.setAttribute('transform', 'translate({}, {})'.format(x, y))
|
|
|
|
bar_group.appendChild(label_group)
|
|
|
|
current_pos += rect_len
|
|
nr_processed_elements += 1
|
|
|
|
svg.appendChild(bar_group)
|
|
|
|
return svg
|
|
|
|
def _extract_block_from_next_pos(self, marker):
|
|
"""
|
|
Extract a block starting with the marker and add all lines with a leading space character
|
|
|
|
:rtype: str
|
|
"""
|
|
block = ''
|
|
if not self.oom.find_text(marker):
|
|
return block
|
|
|
|
line = self.oom.current()
|
|
block += "{}\n".format(line)
|
|
for line in self.oom:
|
|
if not line.startswith(' '):
|
|
self.oom.back()
|
|
break
|
|
block += "{}\n".format(line)
|
|
return block
|
|
|
|
def _extract_from_oom_text(self):
|
|
"""Extract details from OOM message text"""
|
|
match = self.REC_INVOKED_OOMKILLER.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
match = self.REC_PID_KERNELVERSION.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
self.details['hardware_info'] = self._extract_block_from_next_pos('Hardware name:')
|
|
self.details['call_trace'] = self._extract_block_from_next_pos('Call Trace:')
|
|
|
|
match = self.REC_MEMINFO_1.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
match = self.REC_MEMINFO_2.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
match = self.REC_MEM_NODEINFO.search(self.oom.text)
|
|
if match:
|
|
self.details['mem_node_info'] = match.group()
|
|
|
|
match = self.REC_PAGECACHE.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
match = self.REC_SWAP.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
# TODO Add to HTML
|
|
#match = self.REC_PAGEINFO.search(self.oom.text)
|
|
#if match:
|
|
# self.details.update(match.groupdict())
|
|
|
|
match = self.REC_PROCESSES.search(self.oom.text)
|
|
if match:
|
|
self.details['process_table'] = match.group()
|
|
|
|
match = self.REC_KILLED.search(self.oom.text)
|
|
if match:
|
|
self.details.update(match.groupdict())
|
|
|
|
def _calc_from_oom_details(self):
|
|
"""
|
|
Calculate values from already extracted details
|
|
|
|
@see: self.details
|
|
"""
|
|
# TODO Check if bug in transcrypt
|
|
# for item in self.details: -> "Uncaught TypeError: Result of the Symbol.iterator"
|
|
|
|
# convert all *_pages and *_kb to integer
|
|
for item in self.details.keys():
|
|
if item.endswith('_kb') or item.endswith('_pages'):
|
|
try:
|
|
self.details[item] = int(self.details[item])
|
|
except:
|
|
error('Converting item {}: {} to integer failed'. format(item, self.details[item]))
|
|
|
|
kernel_version = self.details.get('kernel_version', '')
|
|
if 'x86_64' in kernel_version:
|
|
self.details['platform'] = 'x86 64bit'
|
|
else:
|
|
self.details['platform'] = 'unknown'
|
|
|
|
# guess distribution from kernel version
|
|
if '.el7' in kernel_version:
|
|
self.details['dist'] = 'RHEL/CentOS 7'
|
|
elif '.el6' in kernel_version:
|
|
self.details['dist'] = 'RHEL/CentOS 6'
|
|
elif '.el5' in kernel_version:
|
|
self.details['dist'] = 'RHEL/CentOS 5'
|
|
elif 'ARCH' in kernel_version:
|
|
self.details['dist'] = 'Arch Linux'
|
|
elif '_generic' in kernel_version:
|
|
self.details['dist'] = 'Ubuntu'
|
|
else:
|
|
self.details['dist'] = 'unknown'
|
|
|
|
# educated guess
|
|
self.details['page_size'] = 4
|
|
|
|
self.details['swap_cache_kb'] = self.details['swap_cache_pages'] * self.details['page_size']
|
|
del self.details['swap_cache_pages']
|
|
|
|
# SwapUsed = SwapTotal - SwapFree - SwapCache
|
|
self.details['swap_used_kb'] = self.details['swap_total_kb'] - self.details['swap_free_kb'] - \
|
|
self.details['swap_cache_kb']
|
|
|
|
def _show_details(self):
|
|
"""
|
|
Show all extracted details as well as additionally generated information
|
|
"""
|
|
if DEBUG:
|
|
print(self.details)
|
|
|
|
hide_element("input")
|
|
show_element("analysis")
|
|
|
|
for item in self.details.keys():
|
|
self._set_single_item(item)
|
|
|
|
svg_swap = self._generate_svg_bar_chart(
|
|
('Swap Used', self.details['swap_used_kb']),
|
|
('Swap Free', self.details['swap_free_kb']),
|
|
('Swap Cached', self.details['swap_cache_kb']),
|
|
)
|
|
elem_svg_swap = document.getElementById('svg_swap')
|
|
elem_svg_swap.appendChild(svg_swap)
|
|
|
|
svg_ram = self._generate_svg_bar_chart(
|
|
('Active mem', self.details['active_anon_pages']),
|
|
('Inactive mem', self.details['inactive_anon_pages']),
|
|
('Isolated mem', self.details['isolated_anon_pages']),
|
|
('Active PC', self.details['active_file_pages']),
|
|
('Inactive PC', self.details['inactive_file_pages']),
|
|
('Isolated PC', self.details['isolated_file_pages']),
|
|
('Unevictable', self.details['unevictable_pages']),
|
|
('Dirty', self.details['dirty_pages']),
|
|
('Writeback', self.details['writeback_pages']),
|
|
('Unstable', self.details['unstable_pages']),
|
|
('Slab reclaimable', self.details['slab_reclaimable_pages']),
|
|
('Slab unreclaimable', self.details['slab_unreclaimable_pages']),
|
|
('Mapped', self.details['mapped_pages']),
|
|
('Shared', self.details['shmem_pages']),
|
|
('Pagetable', self.details['pagetables_pages']),
|
|
('Bounce', self.details['bounce_pages']),
|
|
('Free', self.details['free_pages']),
|
|
('Free PCP', self.details['free_pcp_pages']),
|
|
('Free CMA', self.details['free_cma_pages']),
|
|
)
|
|
elem_svg_ram = document.getElementById('svg_ram')
|
|
elem_svg_ram.appendChild(svg_ram)
|
|
|
|
element = document.getElementById('oom')
|
|
element.textContent = self.oom.text
|
|
|
|
def analyse(self):
|
|
# reset the output elements to default
|
|
self._set_defaults(False)
|
|
element = document.getElementById('textarea_oom')
|
|
oom_text = element.value
|
|
self.oom = OOM(oom_text)
|
|
|
|
if not self.oom.complete:
|
|
error('The inserted test is not a valid OOM!')
|
|
return
|
|
|
|
self._extract_from_oom_text()
|
|
self._calc_from_oom_details()
|
|
self._show_details()
|
|
|
|
def reset(self):
|
|
self._set_defaults()
|
|
|
|
def copy_example(self):
|
|
document.getElementById('textarea_oom').value = self.example
|
|
|
|
|
|
oomAnalyser = OOMAnalyser()
|