Mercurial > hg
annotate contrib/memory.py @ 37299:e9aadee698cf
wireproto: add frame flag to denote payloads as CBOR
We may eventually want a separate frame type for this. But for
now this is the easiest to implement.
Differential Revision: https://phab.mercurial-scm.org/D2986
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Wed, 28 Mar 2018 13:30:24 -0700 |
parents | de5c9d0e02ea |
children | 2372284d9457 |
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contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
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1 # memory.py - track memory usage |
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2 # |
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3 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10264 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 '''helper extension to measure memory usage |
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9 |
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10 Reads current and peak memory usage from ``/proc/self/status`` and |
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11 prints it to ``stderr`` on exit. |
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12 ''' |
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13 |
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contrib: make memory.py use absolute_import
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14 from __future__ import absolute_import |
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15 |
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16 def memusage(ui): |
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17 """Report memory usage of the current process.""" |
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18 result = {'peak': 0, 'rss': 0} |
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19 with open('/proc/self/status', 'r') as status: |
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20 # This will only work on systems with a /proc file system |
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21 # (like Linux). |
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22 for line in status: |
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23 parts = line.split() |
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24 key = parts[0][2:-1].lower() |
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25 if key in result: |
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26 result[key] = int(parts[1]) |
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27 ui.write_err(", ".join(["%s: %.1f MiB" % (k, v / 1024.0) |
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28 for k, v in result.iteritems()]) + "\n") |
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29 |
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30 def extsetup(ui): |
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atexit: switch to home-grown implementation
Bryan O'Sullivan <bryano@fb.com>
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31 ui.atexit(memusage, ui) |