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hgweb: profile HTTP requests...
hgweb: profile HTTP requests Currently, running `hg serve --profile` doesn't yield anything useful: when the process is terminated the profiling output displays results from the main thread, which typically spends most of its time in select.select(). Furthermore, it has no meaningful results from mercurial.* modules because the threads serving HTTP requests don't actually get profiled. This patch teaches the hgweb wsgi applications to profile individual requests. If profiling is enabled, the profiler kicks in after HTTP/WSGI environment processing but before Mercurial's main request processing. The profile results are printed to the configured profiling output. If running `hg serve` from a shell, they will be printed to stderr, just before the HTTP request line is logged. If profiling to a file, we only write a single profile to the file because the file is not opened in append mode. We could add support for appending to files in a future patch if someone wants it. Per request profiling doesn't work with the statprof profiler because internally that profiler collects samples from the thread that *initially* requested profiling be enabled. I have plans to address this by vendoring Facebook's customized statprof and then improving it.
Augie Fackler - - Load All Authors

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test-mac-packages.t
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#require test-repo slow osx osxpackaging
$ . "$TESTDIR/helpers-testrepo.sh"
$ OUTPUTDIR=`pwd`
$ export OUTPUTDIR
$ KEEPMPKG=yes
$ export KEEPMPKG
$ cd "$TESTDIR"/..
$ rm -rf dist
$ make osx > $OUTPUTDIR/build.log 2>&1
$ cd $OUTPUTDIR
$ ls -d *.pkg
Mercurial-*-macosx10.*.pkg (glob)
$ xar -xf Mercurial*.pkg
Gather list of all installed files:
$ lsbom mercurial.pkg/Bom > boms.txt
Spot-check some randomly selected files:
$ grep bdiff boms.txt | cut -d ' ' -f 1,2,3
./Library/Python/2.7/site-packages/mercurial/bdiff.so 100755 0/0
./Library/Python/2.7/site-packages/mercurial/pure/bdiff.py 100644 0/0
./Library/Python/2.7/site-packages/mercurial/pure/bdiff.pyc 100644 0/0
./Library/Python/2.7/site-packages/mercurial/pure/bdiff.pyo 100644 0/0
$ egrep 'man[15]' boms.txt | cut -d ' ' -f 1,2,3
./usr/local/share/man/man1 40755 0/0
./usr/local/share/man/man1/hg.1 100644 0/0
./usr/local/share/man/man5 40755 0/0
./usr/local/share/man/man5/hgignore.5 100644 0/0
./usr/local/share/man/man5/hgrc.5 100644 0/0
$ grep bser boms.txt | cut -d ' ' -f 1,2,3
./Library/Python/2.7/site-packages/hgext/fsmonitor/pywatchman/bser.so 100755 0/0
./Library/Python/2.7/site-packages/hgext/fsmonitor/pywatchman/pybser.py 100644 0/0
./Library/Python/2.7/site-packages/hgext/fsmonitor/pywatchman/pybser.pyc 100644 0/0
./Library/Python/2.7/site-packages/hgext/fsmonitor/pywatchman/pybser.pyo 100644 0/0
$ grep localrepo boms.txt | cut -d ' ' -f 1,2,3
./Library/Python/2.7/site-packages/mercurial/localrepo.py 100644 0/0
./Library/Python/2.7/site-packages/mercurial/localrepo.pyc 100644 0/0
./Library/Python/2.7/site-packages/mercurial/localrepo.pyo 100644 0/0
$ grep '/hg ' boms.txt | cut -d ' ' -f 1,2,3
./usr/local/bin/hg 100755 0/0
Make sure the built binary uses the system Python interpreter
$ bsdtar xf mercurial.pkg/Payload usr/local/bin
Use a glob to find this to avoid check-code whining about a fixed path.
$ head -n 1 usr/local/b?n/hg
#!/System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Note that we're not currently installing any /etc/mercurial stuff,
including merge-tool configurations.