contrib/memory.py
author Martin von Zweigbergk <martinvonz@google.com>
Tue, 30 May 2017 10:27:20 -0700
changeset 32592 c37ca35b8450
parent 31958 de5c9d0e02ea
child 43076 2372284d9457
permissions -rw-r--r--
hidden: subtract pinned revs from hidden earlier The pinned revs are simply revisions that should not be hidden even if hideablerevs() says that should. Let's make that clear by simply setting "hidden = hideablerevs() - pinnedrevs()" early on.

# 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)