contrib/memory.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Sun, 27 Oct 2024 14:10:45 +0100
branchstable
changeset 52150 c99cbb02a82e
parent 48875 6000f5b25c9b
permissions -rw-r--r--
ci: split the jobs on more stage We start to have a lot of job, grouping them help to clarifying the pipeline. We don't actually create dependency between each stage, so everything still run concurrently. However we are about to introduce some wheel-building job that will be reused by some tests. So some dependencies are coming.

# memory.py - track memory usage
#
# Copyright 2009 Olivia Mackall <olivia@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.
'''


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)