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2017-04-23t/perf: correctly align non-ASCII descriptions in outputLibravatar Ævar Arnfjörð Bjarmason1-0/+3
Change the test descriptions from being treated as binary blobs by perl to being treated as UTF-8. This ensures that e.g. a test description like "æ" is counted as 1 character, not 2. I have WIP performance tests for non-ASCII grep patterns on another topic that are affected by this. Now instead of: $ ./run p0000-perf-lib-sanity.sh [...] 0000.4: export a weird var 0.00(0.00+0.00) 0000.5: éḿíẗ ńöń-ÁŚĆÍÍ ćḧáŕáćẗéŕś 0.00(0.00+0.00) 0000.7: important variables available in subshells 0.00(0.00+0.00) [...] We emit: [...] 0000.4: export a weird var 0.00(0.00+0.00) 0000.5: éḿíẗ ńöń-ÁŚĆÍÍ ćḧáŕáćẗéŕś 0.00(0.00+0.00) 0000.7: important variables available in subshells 0.00(0.00+0.00) [...] Fixes code originally added in 342e9ef2d9 ("Introduce a performance testing framework", 2012-02-17). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-09-25t/perf: make runner work even if Git is not installedLibravatar Stephan Beyer1-0/+1
aggregate.perl did not work when Git.pm is not installed to a directory contained in the default Perl library path list or PERLLIB. This commit prepends the Perl library path of the current Git source tree to enable this. Note that this commit adds a hard-coded relative path use lib '../../perl/blib/lib'; instead of the flexible environment-based variant use lib (split(/:/, $ENV{GITPERLLIB})); which is used in tests written in Perl. The hard-coded variant is used because the whole performance test framework does it that way (and GITPERLLIB is not set there). Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-17Introduce a performance testing frameworkLibravatar Thomas Rast1-0/+166
This introduces a performance testing framework under t/perf/. It tries to be as close to the test-lib.sh infrastructure as possible, and thus should be easy to get used to for git developers. The following points were considered for the implementation: 1. You usually want to compare arbitrary revisions/build trees against each other. They may not have the performance test under consideration, or even the perf-lib.sh infrastructure. To cope with this, the 'run' script lets you specify arbitrary build dirs and revisions. It even automatically builds the revisions if it doesn't have them at hand yet. 2. Usually you would not want to run all tests. It would take too long anyway. The 'run' script lets you specify which tests to run; or you can also do it manually. There is a Makefile for discoverability and 'make clean', but it is not meant for real-world use. 3. Creating test repos from scratch in every test is extremely time-consuming, and shipping or downloading such large/weird repos is out of the question. We leave this decision to the user. Two different sizes of test repos can be configured, and the scripts just copy one or more of those (using hardlinks for the object store). By default it tries to use the build tree's git.git repository. This is fairly fast and versatile. Using a copy instead of a clone preserves many properties that the user may want to test for, such as lots of loose objects, unpacked refs, etc. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>