Mercurial > hg
annotate contrib/memory.py @ 31736:dd2079fae003
largefiles: add copytostore() fstandin argument to replace readstandin() (API)
copyalltostore(), only one caller of copytostore(), already knows
standin file name of the target largefile. Therefore, passing it to
copytostore() is more efficient than calculating it in copytostore()
or readstandin().
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Sat, 01 Apr 2017 02:32:48 +0900 |
parents | ff896733c66a |
children | de5c9d0e02ea |
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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
Pulkit Goyal <7895pulkit@gmail.com>
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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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with: use context manager for file I/O in memusage
Bryan O'Sullivan <bryano@fb.com>
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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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memory: avoid shadowing variables inside a list comprehension
Augie Fackler <augie@google.com>
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28 ui.write_err(", ".join(["%s: %.1f MiB" % (k, v / 1024.0) |
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29 for k, v 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) |