contrib/memory.py
author Matt Harbison <matt_harbison@yahoo.com>
Tue, 15 Oct 2024 18:35:45 -0400
changeset 52093 dbd2d56224d1
parent 48875 6000f5b25c9b
permissions -rw-r--r--
tests: force `dummysmtpd.py` to write its log file with '\n' on Windows The log files were being `cat'd` in `test-patchbomb-tls.t`, and causing gratuitous failures. Since `sys.stdout` is being written to with `str` instead of `bytes`, use a `io.TextIOWrapper` to change the EOL, like 2924676d4728.

# 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)