contrib/memory.py
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
Mon, 18 Feb 2019 00:27:25 +0900
changeset 41732 9d39671adadb
parent 31958 de5c9d0e02ea
child 43076 2372284d9457
permissions -rw-r--r--
tests: use NO_CHECK_EOF as heredoc limit mark to omit checking code fragments This is a part of preparation to apply checking with check-code.py on code fragments embedded in *.t test scripts. "primes.py" embedded in test-highlight.t causes an error of check-commit.py below: don't use .next(), use next(...) But changing embedded primes.py is painful, because it is committed in test script, and affects hash IDs. On the other hand, primes.py itself is never executed in test script. Therefore, this patch uses NO_CHECK_EOF as heredoc limit mark in order to omit any checking on this code fragments.

# 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)