tests/test-profile.t
author Kyle Lippincott <spectral@google.com>
Wed, 02 Dec 2020 15:38:05 -0800
changeset 46032 068307b638f4
parent 45634 ede4a1bf14bd
child 46033 8b0a3ff5ed12
permissions -rw-r--r--
statprof: fix off-by-one-line error in output martinvonz claims they thought that this was intentional, but couldn't remember the reasoning for it. I can't understand why it would be preferable, and I didn't see anything in the comments in the file about why this would be useful, so I'm hopefully not breaking anything by "fixing" it. ### Old output ``` | 100.0% 0.01s dispatch.py: run line 43: dispatch.run() | 100.0% 0.01s dispatch.py: dispatch line 115: status = dispatch(req) | 100.0% 0.01s dispatch.py: _runcatch line 266: ret = _runcatch(req) or 0 | 100.0% 0.01s dispatch.py: _callcatch line 442: return _callcatch(ui, _runc... | 100.0% 0.01s scmutil.py: callcatch line 451: return scmutil.callcatch(ui... | 100.0% 0.01s dispatch.py: _runcatchfunc line 155: return func() | 100.0% 0.01s dispatch.py: _dispatch line 432: return _dispatch(req) | 100.0% 0.01s hg.py: repository line 1179: repo = hg.repository( | 100.0% 0.01s hg.py: _peerorrepo line 221: peer = _peerorrepo( | 100.0% 0.01s util.py: __getattribute__ line 188: obj = _peerlookup(path).ins... | 100.0% 0.01s localrepo.py: makelocalrepositoryline 3227: return makelocalrepository(... | 100.0% 0.01s localrepo.py: __init__ line 683: return cls( | 100.0% 0.01s util.py: __getattribute__ line 1262: self._extrafilterid = repov... | 100.0% 0.01s <frozen importlib._bootstrap_external>: exec_moduleline 245: self.__spec__.loader.exec_m... | 100.0% 0.01s <frozen importlib._bootstrap_external>: get_codeline 779: | 100.0% 0.01s <frozen importlib._bootstrap_external>: path_statsline 868: | 100.0% 0.01s <frozen importlib._bootstrap_external>: _path_statline 1012: ``` ### New output ``` | 100.0% 0.01s hg: <module> line 43: dispatch.run() | 100.0% 0.01s dispatch.py: run line 115: status = dispatch(req) | 100.0% 0.01s dispatch.py: dispatch line 266: ret = _runcatch(req) or 0 | 100.0% 0.01s dispatch.py: _runcatch line 442: return _callcatch(ui, _runc... | 100.0% 0.01s dispatch.py: _callcatch line 451: return scmutil.callcatch(ui... | 100.0% 0.01s scmutil.py: callcatch line 155: return func() | 100.0% 0.01s dispatch.py: _runcatchfunc line 432: return _dispatch(req) | 100.0% 0.01s dispatch.py: _dispatch line 1179: repo = hg.repository( | 100.0% 0.01s hg.py: repository line 221: peer = _peerorrepo( | 100.0% 0.01s hg.py: _peerorrepo line 188: obj = _peerlookup(path).ins... | 100.0% 0.01s localrepo.py: instance line 3227: return makelocalrepository(... | 100.0% 0.01s localrepo.py: makelocalrepositoryline 683: return cls( | 100.0% 0.01s localrepo.py: __init__ line 1262: self._extrafilterid = repov... | 100.0% 0.01s util.py: __getattribute__ line 245: self.__spec__.loader.exec_m... | 100.0% 0.01s <frozen importlib._bootstrap_external>: exec_moduleline 779: | 100.0% 0.01s <frozen importlib._bootstrap_external>: get_codeline 868: | 100.0% 0.01s <frozen importlib._bootstrap_external>: path_statsline 1012: | 100.0% 0.01s <frozen importlib._bootstrap_external>: _path_statline 87: ``` Differential Revision: https://phab.mercurial-scm.org/D9510
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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test --time
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  $ hg --time help -q help 2>&1 | grep time > /dev/null
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  $ hg init a
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  $ cd a
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Function to check that statprof ran
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  $ statprofran () {
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  >   egrep 'Sample count:|No samples recorded' > /dev/null
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  > }
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test --profile
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  $ hg st --profile 2>&1 | statprofran
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Abreviated version
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  $ hg st --prof 2>&1 | statprofran
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In alias
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  $ hg --config "alias.profst=status --profile" profst 2>&1 | statprofran
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#if lsprof
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  $ prof='hg --config profiling.type=ls --profile'
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  $ $prof st 2>../out
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  $ grep CallCount ../out > /dev/null || cat ../out
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  $ $prof --config profiling.output=../out st
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  $ grep CallCount ../out > /dev/null || cat ../out
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  $ $prof --config profiling.output=blackbox --config extensions.blackbox= st
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  $ grep CallCount .hg/blackbox.log > /dev/null || cat .hg/blackbox.log
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  $ $prof --config profiling.format=text st 2>../out
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  $ grep CallCount ../out > /dev/null || cat ../out
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  $ echo "[profiling]" >> $HGRCPATH
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  $ echo "format=kcachegrind" >> $HGRCPATH
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  $ $prof st 2>../out
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  $ grep 'events: Ticks' ../out > /dev/null || cat ../out
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  $ $prof --config profiling.output=../out st
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  $ grep 'events: Ticks' ../out > /dev/null || cat ../out
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#endif
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#if lsprof serve
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Profiling of HTTP requests works
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  $ $prof --config profiling.format=text --config profiling.output=../profile.log serve -d -p $HGPORT --pid-file ../hg.pid -A ../access.log
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  $ cat ../hg.pid >> $DAEMON_PIDS
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  $ hg -q clone -U http://localhost:$HGPORT ../clone
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A single profile is logged because file logging doesn't append
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  $ grep CallCount ../profile.log | wc -l
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  \s*1 (re)
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#endif
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Install an extension that can sleep and guarantee a profiler has time to run
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  $ cat >> sleepext.py << EOF
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  > import time
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  > from mercurial import registrar
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  > cmdtable = {}
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  > command = registrar.command(cmdtable)
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  > @command(b'sleep', [], b'hg sleep')
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  > def sleep(ui, *args, **kwargs):
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  >     time.sleep(0.1)
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  > EOF
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  $ cat >> $HGRCPATH << EOF
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  > [extensions]
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  > sleep = `pwd`/sleepext.py
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  > EOF
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statistical profiler works
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  $ hg --profile sleep 2>../out
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  $ cat ../out | statprofran
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Various statprof formatters work
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  $ hg --profile --config profiling.statformat=byline sleep 2>../out || cat ../out
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  $ grep -v _path_stat ../out | head -n 3
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    %   cumulative      self          
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   time    seconds   seconds  name    
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  * sleepext.py:*:sleep (glob)
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  $ cat ../out | statprofran
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  $ hg --profile --config profiling.statformat=bymethod sleep 2>../out || cat ../out
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  $ head -n 1 ../out
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    %   cumulative      self          
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  $ cat ../out | statprofran
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  $ hg --profile --config profiling.statformat=hotpath sleep 2>../out || cat ../out
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  $ cat ../out | statprofran
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  $ grep sleepext.py ../out
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  .* [0-9.]+%  [0-9.]+s  sleepext.py:\s*sleep           line 7:  time\.sleep.* (re)
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  $ hg --profile --config profiling.statformat=json sleep 2>../out || cat ../out
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  $ cat ../out
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  \[\[-?\d+.* (re)
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statprof can be used as a standalone module
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  $ "$PYTHON" -m mercurial.statprof hotpath
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  must specify --file to load
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  [1]
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  $ cd ..
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#if no-chg
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profiler extension could be loaded before other extensions
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  $ cat > fooprof.py <<EOF
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  > from __future__ import absolute_import
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  > import contextlib
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  > import sys
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  > @contextlib.contextmanager
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  > def profile(ui, fp):
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  >     print('fooprof: start profile')
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  >     sys.stdout.flush()
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  >     yield
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  >     print('fooprof: end profile')
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  >     sys.stdout.flush()
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  > def extsetup(ui):
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  >     ui.write(b'fooprof: loaded\n')
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  > EOF
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  $ cat > otherextension.py <<EOF
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  > from __future__ import absolute_import
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  > def extsetup(ui):
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  >     ui.write(b'otherextension: loaded\n')
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  > EOF
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  $ hg init b
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  $ cd b
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  $ cat >> .hg/hgrc <<EOF
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  > [extensions]
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  > other = $TESTTMP/otherextension.py
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  > fooprof = $TESTTMP/fooprof.py
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  > EOF
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  $ hg root
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  otherextension: loaded
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  fooprof: loaded
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  $TESTTMP/b
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  $ HGPROF=fooprof hg root --profile
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  fooprof: loaded
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  fooprof: start profile
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  otherextension: loaded
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  $TESTTMP/b
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  fooprof: end profile
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  $ HGPROF=other hg root --profile 2>&1 | head -n 2
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  otherextension: loaded
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  unrecognized profiler 'other' - ignored
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  $ HGPROF=unknown hg root --profile 2>&1 | head -n 1
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  unrecognized profiler 'unknown' - ignored
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  $ cd ..
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#endif