Mercurial > hg
annotate contrib/memory.py @ 50717:41b9eb302d95 stable
Added signature for changeset 271a4ab29605
author | Raphaël Gomès <rgomes@octobus.net> |
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date | Thu, 22 Jun 2023 11:18:47 +0200 |
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contrib: helper extension to track memory usage
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1 # memory.py - track memory usage |
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2 # |
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3 # Copyright 2009 Olivia Mackall <olivia@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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14 |
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15 def memusage(ui): |
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16 """Report memory usage of the current process.""" |
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17 result = {'peak': 0, 'rss': 0} |
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18 with open('/proc/self/status', 'r') as status: |
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19 # This will only work on systems with a /proc file system |
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20 # (like Linux). |
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21 for line in status: |
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22 parts = line.split() |
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23 key = parts[0][2:-1].lower() |
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24 if key in result: |
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25 result[key] = int(parts[1]) |
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26 ui.write_err( |
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27 ", ".join( |
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28 ["%s: %.1f MiB" % (k, v / 1024.0) for k, v in result.iteritems()] |
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29 ) |
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30 + "\n" |
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31 ) |
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32 |
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33 |
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34 def extsetup(ui): |
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35 ui.atexit(memusage, ui) |