Mercurial > hg
view contrib/memory.py @ 48373:f3f41e23c1fa
dirstate: clarify a `hg update` invocation in a test
It is common for readers of that test to confuse the `hg co` call with a `hg
commit`, while it actually means `hg checkout`, an alias for the more common
`hg update.
So let us use the clearer version.
Differential Revision: https://phab.mercurial-scm.org/D11777
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 04 Nov 2021 17:49:25 +0100 |
parents | d4ba4d51f85f |
children | 6000f5b25c9b |
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# memory.py - track memory usage # # Copyright 2009 Olivia Mackall <olivia@selenic.com> and others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''helper extension to measure memory usage Reads current and peak memory usage from ``/proc/self/status`` and prints it to ``stderr`` on exit. ''' from __future__ import absolute_import def memusage(ui): """Report memory usage of the current process.""" result = {'peak': 0, 'rss': 0} with open('/proc/self/status', 'r') as status: # This will only work on systems with a /proc file system # (like Linux). for line in status: parts = line.split() key = parts[0][2:-1].lower() if key in result: result[key] = int(parts[1]) ui.write_err( ", ".join( ["%s: %.1f MiB" % (k, v / 1024.0) for k, v in result.iteritems()] ) + "\n" ) def extsetup(ui): ui.atexit(memusage, ui)