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authorJunio C Hamano <gitster@pobox.com>2017-06-02 06:06:05 (GMT)
committerJunio C Hamano <gitster@pobox.com>2017-06-02 06:06:06 (GMT)
commit36dcb573374f267125a35a0d964707b527dd637d (patch)
treeddac88242f6b15e7b26bdd1fd83121c347864bbe /t/perf/README
parent7ef0d047386a1932dc4a8b1008d851b0fe47f978 (diff)
parent8df4c2953f228020438eb53a7d54470c922ce9cc (diff)
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Merge branch 'ab/grep-preparatory-cleanup'
The internal implementation of "git grep" has seen some clean-up. * ab/grep-preparatory-cleanup: (31 commits) grep: assert that threading is enabled when calling grep_{lock,unlock} grep: given --threads with NO_PTHREADS=YesPlease, warn pack-objects: fix buggy warning about threads pack-objects & index-pack: add test for --threads warning test-lib: add a PTHREADS prerequisite grep: move is_fixed() earlier to avoid forward declaration grep: change internal *pcre* variable & function names to be *pcre1* grep: change the internal PCRE macro names to be PCRE1 grep: factor test for \0 in grep patterns into a function grep: remove redundant regflags assignments grep: catch a missing enum in switch statement perf: add a comparison test of log --grep regex engines with -F perf: add a comparison test of log --grep regex engines perf: add a comparison test of grep regex engines with -F perf: add a comparison test of grep regex engines perf: emit progress output when unpacking & building perf: add a GIT_PERF_MAKE_COMMAND for when *_MAKE_OPTS won't do grep: add tests to fix blind spots with \0 patterns grep: prepare for testing binary regexes containing rx metacharacters grep: add a test helper function for less verbose -f \0 tests ...
Diffstat (limited to 't/perf/README')
-rw-r--r--t/perf/README17
1 files changed, 16 insertions, 1 deletions
diff --git a/t/perf/README b/t/perf/README
index de2fe15..21321a0 100644
--- a/t/perf/README
+++ b/t/perf/README
@@ -60,7 +60,22 @@ You can set the following variables (also in your config.mak):
GIT_PERF_MAKE_OPTS
Options to use when automatically building a git tree for
- performance testing. E.g., -j6 would be useful.
+ performance testing. E.g., -j6 would be useful. Passed
+ directly to make as "make $GIT_PERF_MAKE_OPTS".
+
+ GIT_PERF_MAKE_COMMAND
+ An arbitrary command that'll be run in place of the make
+ command, if set the GIT_PERF_MAKE_OPTS variable is
+ ignored. Useful in cases where source tree changes might
+ require issuing a different make command to different
+ revisions.
+
+ This can be (ab)used to monkeypatch or otherwise change the
+ tree about to be built. Note that the build directory can be
+ re-used for subsequent runs so the make command might get
+ executed multiple times on the same tree, but don't count on
+ any of that, that's an implementation detail that might change
+ in the future.
GIT_PERF_REPO
GIT_PERF_LARGE_REPO