Mercurial > hg
annotate contrib/memory.py @ 46325:e5e6282fa66a
hghave: split apart testing for the curses module and `tic` executable
ef771d329961 skipped the check for the `tic` executable, because the curses
module alone on Windows is enough to pass the `test-*-curses.t` tests. However,
`test-status-color.t` uses this same check and explicitly invoked the
executable, which fails on Windows. From the cursory searching I did, curses on
unix requires `tic`, which I assume is why they were tied together in the first
place. So this continues to require both to get past the curses guards on non
Windows platforms.
Differential Revision: https://phab.mercurial-scm.org/D9814
author | Matt Harbison <matt_harbison@yahoo.com> |
---|---|
date | Sun, 17 Jan 2021 22:25:15 -0500 |
parents | 2372284d9457 |
children | d4ba4d51f85f |
rev | line source |
---|---|
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
1 # memory.py - track memory usage |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
2 # |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
3 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
4 # |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
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. |
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
7 |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
8 '''helper extension to measure memory usage |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
9 |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
10 Reads current and peak memory usage from ``/proc/self/status`` and |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
11 prints it to ``stderr`` on exit. |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
12 ''' |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
13 |
28510
ade330deb39a
contrib: make memory.py use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents:
27795
diff
changeset
|
14 from __future__ import absolute_import |
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
15 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
16 |
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
17 def memusage(ui): |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
18 """Report memory usage of the current process.""" |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
19 result = {'peak': 0, 'rss': 0} |
27795
3e0d27d298b7
with: use context manager for file I/O in memusage
Bryan O'Sullivan <bryano@fb.com>
parents:
10282
diff
changeset
|
20 with open('/proc/self/status', 'r') as status: |
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
21 # This will only work on systems with a /proc file system |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
22 # (like Linux). |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
23 for line in status: |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
24 parts = line.split() |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
25 key = parts[0][2:-1].lower() |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
26 if key in result: |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
27 result[key] = int(parts[1]) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
28 ui.write_err( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
29 ", ".join( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
30 ["%s: %.1f MiB" % (k, v / 1024.0) for k, v in result.iteritems()] |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
31 ) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
32 + "\n" |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
33 ) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
31958
diff
changeset
|
34 |
10017
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
35 |
253d0da256b2
contrib: helper extension to track memory usage
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
36 def extsetup(ui): |
31958
de5c9d0e02ea
atexit: switch to home-grown implementation
Bryan O'Sullivan <bryano@fb.com>
parents:
30386
diff
changeset
|
37 ui.atexit(memusage, ui) |