Mercurial > hg
view contrib/memory.py @ 28896:4c76a032ec7e
parser: reorder alias expansion routine to return early
I think it improves readability to move trivial cases first, and unindent
blocks.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Tue, 29 Mar 2016 16:19:31 +0900 |
parents | ade330deb39a |
children | ff896733c66a |
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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 import atexit 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" % (key, value / 1024.0) for key, value in result.iteritems()]) + "\n") def extsetup(ui): atexit.register(memusage, ui)