contrib/memory.py
author Pulkit Goyal <7895pulkit@gmail.com>
Sat, 16 Sep 2017 02:34:13 +0530
changeset 34290 f94442d46984
parent 31958 de5c9d0e02ea
child 43076 2372284d9457
permissions -rw-r--r--
uncommit: rename the flag 'empty' to 'keep' which retains empty changeset This patch renames the flag 'empty' which retains the empty changeset if all the files are uncommitted to 'keep'. Differential Revision: https://phab.mercurial-scm.org/D726

# 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)