Mercurial > hg
annotate contrib/memory.py @ 30362:3c6893ba2d36
merge: change modified indicator to be 20 bytes
Previously we indicated that the .hgsubstate file was dirty by adding a '+' to
the end of its hash in the wctx manifest. This made is complicated to have new
manifest implementations that rely on the node length being fixed.
In previous patches we added added and modified node placeholders, so let's use
those to indicate dirty here as well. It doesn't look like anything ever
depended on this '+' (aside from it being different to the parent), so nothing
else needed to change here.
author | Durham Goode <durham@fb.com> |
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date | Thu, 10 Nov 2016 02:21:15 -0800 |
parents | ade330deb39a |
children | ff896733c66a |
rev | line source |
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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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14 from __future__ import absolute_import |
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15 import atexit |
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16 |
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17 def memusage(ui): |
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18 """Report memory usage of the current process.""" |
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19 result = {'peak': 0, 'rss': 0} |
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20 with open('/proc/self/status', 'r') as status: |
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21 # This will only work on systems with a /proc file system |
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22 # (like Linux). |
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23 for line in status: |
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24 parts = line.split() |
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25 key = parts[0][2:-1].lower() |
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26 if key in result: |
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27 result[key] = int(parts[1]) |
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28 ui.write_err(", ".join(["%s: %.1f MiB" % (key, value / 1024.0) |
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29 for key, value in result.iteritems()]) + "\n") |
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30 |
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31 def extsetup(ui): |
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32 atexit.register(memusage, ui) |