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-rwxr-xr-xt/perf/p4211-line-log.sh34
1 files changed, 34 insertions, 0 deletions
diff --git a/t/perf/p4211-line-log.sh b/t/perf/p4211-line-log.sh
new file mode 100755
index 0000000000..b7ff68d4fa
--- /dev/null
+++ b/t/perf/p4211-line-log.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+test_description='Tests log -L performance'
+. ./perf-lib.sh
+
+test_perf_default_repo
+
+# Pick a file to log pseudo-randomly. The sort key is the blob hash,
+# so it is stable.
+test_expect_success 'select a file' '
+ git ls-tree HEAD | grep ^100644 |
+ sort -k 3 | head -1 | cut -f 2 >filelist
+'
+
+file=$(cat filelist)
+export file
+
+test_perf 'git rev-list --topo-order (baseline)' '
+ git rev-list --topo-order HEAD >/dev/null
+'
+
+test_perf 'git log --follow (baseline for -M)' '
+ git log --oneline --follow -- "$file" >/dev/null
+'
+
+test_perf 'git log -L (renames off)' '
+ git log --no-renames -L 1:"$file" >/dev/null
+'
+
+test_perf 'git log -L (renames on)' '
+ git log -M -L 1:"$file" >/dev/null
+'
+
+test_done