Georg/OOMAnalyser
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Fix finding line with "CPU:"

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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.
This commit is contained in:
Carsten Grohmann 2021-11-29 14:03:45 +01:00
parent b8895fe2d5
commit 7038cced1f
1 changed files with 18 additions and 7 deletions
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25
OOMAnalyser.py
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@ -524,7 +524,8 @@ class OOMEntity:
oom_lines = self._remove_non_oom_lines(oom_lines)
oom_lines = self._remove_kernel_colon(oom_lines)
oom_lines = self._strip_needless_columns(oom_lines)
cols_to_strip = self._number_of_columns_to_strip(oom_lines[self._get_CPU_index(oom_lines)])
oom_lines = self._strip_needless_columns(oom_lines, cols_to_strip)
oom_lines = self._rsyslog_unescape_lf(oom_lines)
self.lines = oom_lines
@ -535,7 +536,19 @@ class OOMEntity:
else:
self.state = OOMEntityState.started
def _number_of_columns_to_strip(self, first_line):
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)):
if 'CPU: ' in lines[i]:
return i
return 0
def _number_of_columns_to_strip(self, line):
"""
Determinate number of columns left to the OOM message to strip.
@ -543,7 +556,7 @@ class OOMEntity:
strip later.
"""
to_strip = 0
columns = first_line.split(" ")
columns = line.split(" ")
# Examples:
# [11686.888109] CPU: 4 PID: 29481 Comm: sed Not tainted 3.10.0-514.6.1.el7.x86_64 #1
@ -551,7 +564,7 @@ class OOMEntity:
# 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
try:
# strip all excl. "CPU:"
if 'CPU:' in first_line:
if 'CPU:' in line:
to_strip = columns.index("CPU:")
except ValueError:
pass
@ -619,7 +632,7 @@ class OOMEntity:
oom_lines = [i.replace('kernel:', '') for i in oom_lines]
return oom_lines
def _strip_needless_columns(self, oom_lines):
def _strip_needless_columns(self, oom_lines, cols_to_strip=0):
"""
Remove needless columns at the start of every line.
@ -627,8 +640,6 @@ class OOMEntity:
syslog priority/facility.
"""
stripped_lines = []
cols_to_strip = self._number_of_columns_to_strip(oom_lines[2])
for line in oom_lines:
# remove empty lines
if not line.strip():