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t/perf: add 'GIT_PERF_USE_SCALAR' run option

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Add a 'GIT_PERF_USE_SCALAR' environment variable (and corresponding perf
config 'useScalar') to register a repository created with any of:

* test_perf_fresh_repo
* test_perf_default_repo
* test_perf_large_repo

as a Scalar enlistment. This is intended to allow a developer to test the
impact of Scalar on already-defined performance scenarios.

Suggested-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Victoria Dye
2022-09-02 15:56:49 +00:00
committed by Junio C Hamano
parent e2809233d1
commit ba1b117eec
3 changed files with 19 additions and 1 deletions
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13
t/perf/perf-lib.sh
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@ -49,6 +49,9 @@ export TEST_DIRECTORY TRASH_DIRECTORY GIT_BUILD_DIR GIT_TEST_CMP
MODERN_GIT=$GIT_BUILD_DIR/bin-wrappers/git
export MODERN_GIT
MODERN_SCALAR=$GIT_BUILD_DIR/bin-wrappers/scalar
export MODERN_SCALAR
perf_results_dir=$TEST_RESULTS_DIR
test -n "$GIT_PERF_SUBSECTION" && perf_results_dir="$perf_results_dir/$GIT_PERF_SUBSECTION"
mkdir -p "$perf_results_dir"
@ -120,6 +123,10 @@ test_perf_create_repo_from () {
# status" due to a locked index. Since we have
# a copy it's fine to remove the lock.
rm .git/index.lock
fi &&
if test_bool_env GIT_PERF_USE_SCALAR false
then
"$MODERN_SCALAR" register
fi
) || error "failed to copy repository '$source' to '$repo'"
}
@ -130,7 +137,11 @@ test_perf_fresh_repo () {
"$MODERN_GIT" init -q "$repo" &&
(
cd "$repo" &&
test_perf_do_repo_symlink_config_
test_perf_do_repo_symlink_config_ &&
if test_bool_env GIT_PERF_USE_SCALAR false
then
"$MODERN_SCALAR" register
fi
)
}