view contrib/memory.py @ 12221:0392a605bbce stable

i18n-it: remove bogus fuzzy translations for revset The translations were all random fuzzy strings, which can only do harm, so remove them. Moreover, given the status of revset (it seems mostly an internal undocumented module, and to understand it you need the source anyway), I prefer not to translate it for now.
author Paolo Giarrusso <p.giarrusso@gmail.com>
date Sat, 21 Aug 2010 00:33:13 +0200
parents 08a0f04b56bd
children 3e0d27d298b7
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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.
'''

import atexit

def memusage(ui):
    """Report memory usage of the current process."""
    status = None
    result = {'peak': 0, 'rss': 0}
    try:
        # This will only work on systems with a /proc file system
        # (like Linux).
        status = open('/proc/self/status', 'r')
        for line in status:
            parts = line.split()
            key = parts[0][2:-1].lower()
            if key in result:
                result[key] = int(parts[1])
    finally:
        if status is not None:
            status.close()
    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)