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Unify ps table column names in class KernelConfig

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This commit is contained in:
Carsten Grohmann 2020-10-31 14:40:02 +01:00
parent 26610a709e
commit 2d55b800dc
1 changed files with 36 additions and 8 deletions
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44
OOMAnalyser.py
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@ -77,6 +77,14 @@ def show_notifybox(prefix, msg):
notify_box.appendChild(notification)
class KernelConfig(object):
"""Kernel configuration"""
ps_table_items = ['pid', 'uid', 'tgid', 'total_vm_pages', 'rss_pages', 'nr_ptes_pages', 'swapents_pages',
'oom_score_adj']
"""Elements of the process table"""
class OOMEntity(object):
"""Hold whole OOM message block and provide access"""
@ -364,11 +372,14 @@ class OOMAnalyser(object):
lines = []
"""All lines of an OOM without leading timestamps"""
kernel_cfg = KernelConfig()
"""Kernel configuration"""
results = {}
"""Extracted result"""
# Reference to the OOMEntity object
oom_entity = None
"""Reference to the OOMEntity object"""
GFP_FLAGS = {
'GFP_ATOMIC': {'value': '__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM'},
@ -595,8 +606,9 @@ class OOMAnalyser(object):
for pid_str in ps.keys():
converted = {}
process = ps[pid_str]
for item in ['uid', 'tgid', 'total_vm_pages', 'rss_pages', 'nr_ptes_pages', 'swapents_pages',
'oom_score_adj']:
for item in self.kernel_cfg.ps_table_items:
if item == 'pid':
continue
try:
converted[item] = int(process[item])
except:
@ -734,6 +746,9 @@ class OOMAnalyser(object):
class OOMDisplay(object):
"""Display the OOM analysis"""
kernel_cfg = KernelConfig()
"""Kernel configuration"""
oom_details = {}
"""Extracted result"""
@ -1041,9 +1056,14 @@ Killed process 6576 (java) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0k
def set_sort_triangle(self):
"""Set the sorting symbols for all columns in the process table"""
for column_name in ['pid', 'uid', 'tgid', 'total_vm_pages', 'rss_pages', 'nr_ptes_pages', 'swapents_pages',
'oom_score_adj', 'name', 'notes']:
# TODO Check operator overloading
# Operator overloading (Pragma opov) does not work in this context.
# self.kernel_cfg.ps_table_items + ['notes'] will compile to a string
# "pid,uid,tgid,total_vm_pages,rss_pages,nr_ptes_pages,swapents_pages,oom_score_adjNotes" and not to an
# array
ps_table_and_notes = self.kernel_cfg.ps_table_items[:]
ps_table_and_notes.append('notes')
for column_name in ps_table_and_notes:
element_id = "pstable_sort_{}".format(column_name)
element = document.getElementById(element_id)
if not element:
@ -1214,6 +1234,8 @@ Killed process 6576 (java) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0k
# analyse
analyser = OOMAnalyser(self.oom)
self.oom_details = analyser.analyse()
# Update kernel configuration
self.kernel_cfg = analyser.kernel_cfg
# display results
self.show()
@ -1302,8 +1324,14 @@ Killed process 6576 (java) total-vm:33914892kB, anon-rss:20629004kB, file-rss:0k
def sort_pstable(self, column_name):
"""Sort process table by the values in the given column"""
if column_name not in ['pid', 'uid', 'tgid', 'total_vm_pages', 'rss_pages', 'nr_ptes_pages', 'swapents_pages',
'oom_score_adj', 'name', 'notes']:
# TODO Check operator overloading
# Operator overloading (Pragma opov) does not work in this context.
# self.kernel_cfg.ps_table_items + ['notes'] will compile to a string
# "pid,uid,tgid,total_vm_pages,rss_pages,nr_ptes_pages,swapents_pages,oom_score_adjNotes" and not to an
# array
ps_table_and_notes = self.kernel_cfg.ps_table_items[:]
ps_table_and_notes.append('notes')
if column_name not in ps_table_and_notes:
internal_error('Can not sort process table with an unknown column name "{}"'.format(column_name))
return