Mercurial > hg
view contrib/showstack.py @ 39114:222aba766015
perf: time loading branchmap caches
Differential Revision: https://phab.mercurial-scm.org/D4280
author | Martijn Pieters <mj@octobus.net> |
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date | Mon, 13 Aug 2018 20:31:01 +0100 |
parents | c9eb92fb87b7 |
children | acf5dbe39478 |
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# showstack.py - extension to dump a Python stack trace on signal # # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) """ from __future__ import absolute_import import signal import sys import traceback def sigshow(*args): sys.stderr.write("\n") traceback.print_stack(args[1], limit=10, file=sys.stderr) sys.stderr.write("----\n") def extsetup(ui): signal.signal(signal.SIGQUIT, sigshow) try: signal.signal(signal.SIGINFO, sigshow) except AttributeError: pass