mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 01:07:15 +03:00
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
|
# sigtrace.py
|
||
|
|
#
|
||
|
|
# Copyright 2017 Facebook, Inc.
|
||
|
|
#
|
||
|
|
# This software may be used and distributed according to the terms of the
|
||
|
|
# GNU General Public License version 2 or any later version.
|
||
|
|
|
||
|
|
"""sigtrace - dump stack traces on signal
|
||
|
|
|
||
|
|
By default, SIGUSR1 will make hg dump stacks of all threads to /tmp.
|
||
|
|
|
||
|
|
Config::
|
||
|
|
|
||
|
|
[sigtrace]
|
||
|
|
signal = USR1
|
||
|
|
pathformat = /tmp/trace-%(pid)s-%(time)s.log
|
||
|
|
"""
|
||
|
|
|
||
|
|
import os
|
||
|
|
import signal
|
||
|
|
import sys
|
||
|
|
import time
|
||
|
|
import traceback
|
||
|
|
|
||
|
|
pathformat = '/tmp/trace-%(pid)s-%(time)s.log'
|
||
|
|
|
||
|
|
def printstacks(sig, currentframe):
|
||
|
|
content = ''
|
||
|
|
for tid, frame in sys._current_frames().iteritems():
|
||
|
|
content += ('Thread %s:\n%s\n'
|
||
|
|
% (tid, ''.join(traceback.format_stack(frame))))
|
||
|
|
|
||
|
|
with open(pathformat % {'time': time.time(), 'pid': os.getpid()}, 'w') as f:
|
||
|
|
f.write(content)
|
||
|
|
|
||
|
|
def uisetup(ui):
|
||
|
|
global pathformat
|
||
|
|
pathformat = ui.config('sigtrace', 'pathformat', pathformat)
|
||
|
|
signame = ui.config('sigtrace', 'signal', 'USR1')
|
||
|
|
sig = getattr(signal, 'SIG' + signame, None)
|
||
|
|
if sig is not None:
|
||
|
|
signal.signal(sig, printstacks)
|