1 files changed, 53 insertions, 0 deletions
diff --git a/t/perf/p5302-pack-index.sh b/t/perf/p5302-pack-index.sh
new file mode 100755
index 0000000..228593d
--- /dev/null
+++ b/t/perf/p5302-pack-index.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+test_description="Tests index-pack performance"
+
+. ./perf-lib.sh
+
+test_perf_large_repo
+
+test_expect_success 'repack' '
+	git repack -ad &&
+	PACK=$(ls .git/objects/pack/*.pack | head -n1) &&
+	test -f "$PACK" &&
+	export PACK
+'
+
+# Rather than counting up and doubling each time, count down from the endpoint,
+# halving each time. That ensures that our final test uses as many threads as
+# CPUs, even if it isn't a power of 2.
+test_expect_success 'set up thread-counting tests' '
+	t=$(test-tool online-cpus) &&
+	threads= &&
+	while test $t -gt 0
+	do
+		threads="$t $threads"
+		t=$((t / 2))
+	done
+'
+
+test_perf PERF_EXTRA 'index-pack 0 threads' '
+	rm -rf repo.git &&
+	git init --bare repo.git &&
+	GIT_DIR=repo.git git index-pack --threads=1 --stdin < $PACK
+'
+
+for t in $threads
+do
+	THREADS=$t
+	export THREADS
+	test_perf PERF_EXTRA "index-pack $t threads" '
+		rm -rf repo.git &&
+		git init --bare repo.git &&
+		GIT_DIR=repo.git GIT_FORCE_THREADS=1 \
+		git index-pack --threads=$THREADS --stdin <$PACK
+	'
+done
+
+test_perf 'index-pack default number of threads' '
+	rm -rf repo.git &&
+	git init --bare repo.git &&
+	GIT_DIR=repo.git git index-pack --stdin < $PACK
+'
+
+test_done