mirror of
https://github.com/systemd/systemd.git
synced 2024-10-31 16:21:26 +03:00
79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
|
#!/usr/bin/python
|
||
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
||
|
|
||
|
"""
|
||
|
A helper to compare 'systemd-analyze dump' outputs.
|
||
|
|
||
|
systemd-analyze dump >/var/tmp/dump1
|
||
|
(reboot)
|
||
|
tools/analyze-dump-sort.py /var/tmp/dump1 → this does a diff from dump1 to current
|
||
|
|
||
|
systemd-analyze dump >/var/tmp/dump2
|
||
|
tools/analyze-dump-sort.py /var/tmp/{dump1,dump2} → this does a diff from dump1 to dump2
|
||
|
"""
|
||
|
|
||
|
import argparse
|
||
|
import tempfile
|
||
|
import subprocess
|
||
|
|
||
|
def sort_dump(sourcefile, destfile=None):
|
||
|
if destfile is None:
|
||
|
destfile = tempfile.NamedTemporaryFile('wt')
|
||
|
|
||
|
units = {}
|
||
|
unit = []
|
||
|
|
||
|
same = []
|
||
|
|
||
|
for line in sourcefile:
|
||
|
line = line.rstrip()
|
||
|
|
||
|
header = line.split(':')[0]
|
||
|
if 'Timestamp' in header or 'Invocation ID' in header or 'PID' in header:
|
||
|
line = header + ': …'
|
||
|
|
||
|
if line.startswith('->'):
|
||
|
if unit:
|
||
|
units[unit[0]] = unit
|
||
|
unit = [line]
|
||
|
elif line.startswith('\t'):
|
||
|
assert unit
|
||
|
|
||
|
if same and same[0].startswith(header):
|
||
|
same.append(line)
|
||
|
else:
|
||
|
unit.extend(sorted(same, key=str.lower))
|
||
|
same = [line]
|
||
|
else:
|
||
|
print(line, file=destfile)
|
||
|
|
||
|
if unit:
|
||
|
units[unit[0]] = unit
|
||
|
|
||
|
for unit in sorted(units.values()):
|
||
|
print('\n'.join(unit), file=destfile)
|
||
|
|
||
|
destfile.flush()
|
||
|
return destfile
|
||
|
|
||
|
def parse_args():
|
||
|
p = argparse.ArgumentParser(description=__doc__)
|
||
|
p.add_argument('one')
|
||
|
p.add_argument('two', nargs='?')
|
||
|
p.add_argument('--user', action='store_true')
|
||
|
return p.parse_args()
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
opts = parse_args()
|
||
|
|
||
|
one = sort_dump(open(opts.one))
|
||
|
if opts.two:
|
||
|
two = sort_dump(open(opts.two))
|
||
|
else:
|
||
|
user = ['--user'] if opts.user else []
|
||
|
two = subprocess.run(['systemd-analyze', 'dump', *user],
|
||
|
capture_output=True, text=True, check=True)
|
||
|
two = sort_dump(two.stdout.splitlines())
|
||
|
with subprocess.Popen(['diff', '-U10', one.name, two.name], stdout=subprocess.PIPE) as diff:
|
||
|
subprocess.Popen(['less'], stdin=diff.stdout)
|