From 279b5a85ebdd17b8e6713583d0ad6cf00f53eb10 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Wed, 3 Dec 2025 13:47:03 -0800 Subject: [PATCH] perf tests stat: Add "--null" coverage Ensure "--null" does a minimal run. Reported-by: Ingo Molnar Closes: https://lore.kernel.org/linux-perf-users/aSwt7yzFjVJCEmVp@gmail.com/ Tested-by: Ingo Molnar Signed-off-by: Ian Rogers Tested-by: Thomas Richter Signed-off-by: Namhyung Kim --- tools/perf/tests/shell/stat.sh | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 985adc02749e2..7885e875caf4b 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -16,6 +16,17 @@ test_default_stat() { echo "Basic stat command test [Success]" } +test_null_stat() { + echo "Null stat command test" + if ! perf stat --null true 2>&1 | grep -E -q "Performance counter stats for 'true':" + then + echo "Null stat command test [Failed]" + err=1 + return + fi + echo "Null stat command test [Success]" +} + test_stat_record_report() { echo "stat record and report test" if ! perf stat record -e task-clock -o - true | perf stat report -i - 2>&1 | \ @@ -212,6 +223,7 @@ test_hybrid() { } test_default_stat +test_null_stat test_stat_record_report test_stat_record_script test_stat_repeat_weak_groups -- 2.47.3