p0004: use test_perf

diff --git a/t/perf/p0004-lazy-init-name-hash.sh b/t/perf/p0004-lazy-init-name-hash.sh
index 576bdc3c4e7e94277f769ece3a0f6b654e79f41a..d30c32f97b3bdbe1464e307e8bea26adb4a5c2cc 100755 (executable)
--- a/t/perf/p0004-lazy-init-name-hash.sh
+++ b/t/perf/p0004-lazy-init-name-hash.sh
@@ -18,4 +18,40 @@ test_expect_success 'multithreaded should be faster' '
        test-lazy-init-name-hash --perf >out.perf
 '
 
+test_expect_success 'calibrate' '
+       entries=$(wc -l <out.single) &&
+
+       case $entries in
+       ?) count=1000000 ;;
+       ??) count=100000 ;;
+       ???) count=10000 ;;
+       ????) count=1000 ;;
+       ?????) count=100 ;;
+       ??????) count=10 ;;
+       *) count=1 ;;
+       esac &&
+       export count &&
+
+       case $entries in
+       1) entries_desc="1 entry" ;;
+       *) entries_desc="$entries entries" ;;
+       esac &&
+
+       case $count in
+       1) count_desc="1 round" ;;
+       *) count_desc="$count rounds" ;;
+       esac &&
+
+       desc="$entries_desc, $count_desc" &&
+       export desc
+'
+
+test_perf "single-threaded, $desc" "
+       test-lazy-init-name-hash --single --count=$count
+"
+
+test_perf "multi-threaded, $desc" "
+       test-lazy-init-name-hash --multi --count=$count
+"
+
 test_done