From 6f95ebea5264a2871aad5c6e8cb37608df81e5af Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 14 Oct 2022 20:09:01 +0300 Subject: [PATCH] perf test: test_intel_pt.sh: Print a message when skipping kernel tracing Messages display with the perf test -v option. Add a message to show when skipping a test because the user cannot do kernel tracing. Signed-off-by: Adrian Hunter Tested-by: Arnaldo Carvalho de Melo Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lore.kernel.org/r/20221014170905.64069-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/shell/test_intel_pt.sh | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh index 334836f92bdc6..9c746ff1c4d24 100755 --- a/tools/perf/tests/shell/test_intel_pt.sh +++ b/tools/perf/tests/shell/test_intel_pt.sh @@ -117,7 +117,14 @@ test_system_wide_side_band() can_kernel() { - perf_record_no_decode -o "${tmpfile}" -e dummy:k true >/dev/null 2>&1 || return 2 + if [ -z "${can_kernel_trace}" ] ; then + can_kernel_trace=0 + perf_record_no_decode -o "${tmpfile}" -e dummy:k true >/dev/null 2>&1 && can_kernel_trace=1 + fi + if [ ${can_kernel_trace} -eq 0 ] ; then + echo "SKIP: no kernel tracing" + return 2 + fi return 0 } -- 2.39.5