Mercurial > hg
view contrib/memory.py @ 34333:4ac04418ce66
dirstate: move nonnormalentries to dirstatemap
As part of moving dirstate storage to its own class, let's move the
nonnormalentries logic onto the dirstatemap class. This will let extensions
replace the nonnormalentries logic with a persisted cache.
Differential Revision: https://phab.mercurial-scm.org/D753
author | Durham Goode <durham@fb.com> |
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date | Tue, 26 Sep 2017 03:56:20 -0700 |
parents | de5c9d0e02ea |
children | 2372284d9457 |
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# memory.py - track memory usage # # Copyright 2009 Matt Mackall <mpm@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)