5 files changed, 41 insertions, 2 deletions
diff --git a/t/perf/p0001-rev-list.sh b/t/perf/p0001-rev-list.sh
index 4f71a63b0a..16359d51ae 100755
--- a/t/perf/p0001-rev-list.sh
+++ b/t/perf/p0001-rev-list.sh
@@ -14,4 +14,16 @@ test_perf 'rev-list --all --objects' '
 	git rev-list --all --objects >/dev/null
 '
 
+test_expect_success 'create new unreferenced commit' '
+	commit=$(git commit-tree HEAD^{tree} -p HEAD)
+'
+
+test_perf 'rev-list $commit --not --all' '
+	git rev-list $commit --not --all >/dev/null
+'
+
+test_perf 'rev-list --objects $commit --not --all' '
+	git rev-list --objects $commit --not --all >/dev/null
+'
+
 test_done
diff --git a/t/perf/p4001-diff-no-index.sh b/t/perf/p4001-diff-no-index.sh
new file mode 100755
index 0000000000..683be6984f
--- /dev/null
+++ b/t/perf/p4001-diff-no-index.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+test_description="Test diff --no-index performance"
+
+. ./perf-lib.sh
+
+test_perf_large_repo
+test_checkout_worktree
+
+file1=$(git ls-files | tail -n 2 | head -1)
+file2=$(git ls-files | tail -n 1 | head -1)
+
+test_expect_success "empty files, so they take no time to diff" "
+	echo >$file1 &&
+	echo >$file2
+"
+
+test_perf "diff --no-index" "
+	git diff --no-index $file1 $file2 >/dev/null
+"
+
+test_done
diff --git a/t/perf/p5302-pack-index.sh b/t/perf/p5302-pack-index.sh
index 6cb5b0d55b..5ee9211f98 100755
--- a/t/perf/p5302-pack-index.sh
+++ b/t/perf/p5302-pack-index.sh
@@ -8,7 +8,7 @@ test_perf_large_repo
 
 test_expect_success 'repack' '
 	git repack -ad &&
-	PACK=`ls .git/objects/pack/*.pack | head -n1` &&
+	PACK=$(ls .git/objects/pack/*.pack | head -n1) &&
 	test -f "$PACK" &&
 	export PACK
 '
diff --git a/t/perf/p5310-pack-bitmaps.sh b/t/perf/p5310-pack-bitmaps.sh
index 685d46f8b7..f8ed8573b7 100755
--- a/t/perf/p5310-pack-bitmaps.sh
+++ b/t/perf/p5310-pack-bitmaps.sh
@@ -8,6 +8,9 @@ test_perf_large_repo
 # note that we do everything through config,
 # since we want to be able to compare bitmap-aware
 # git versus non-bitmap git
+#
+# We intentionally use the deprecated pack.writebitmaps
+# config so that we can test against older versions of git.
 test_expect_success 'setup bitmap config' '
 	git config pack.writebitmaps true &&
 	git config pack.writebitmaphashcache true
diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
index f4eecaa171..a8c9574291 100644
--- a/t/perf/perf-lib.sh
+++ b/t/perf/perf-lib.sh
@@ -1,4 +1,6 @@
-#!/bin/sh
+# Performance testing framework.  Each perf script starts much like
+# a normal test script, except it sources this library instead of
+# test-lib.sh.  See t/perf/README for documentation.
 #
 # Copyright (c) 2011 Thomas Rast
 #