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authorAdrian Hunter <adrian.hunter@intel.com>2022-10-14 20:09:01 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-10-15 16:13:16 +0300
commit9637bf8ff0f050cfb9fe84f5734af633e7902796 (patch)
treef16e361039018f4ed8c93abdd030061ab43a465d
parent5021d82bca4f5335b29de71f0533b93c6c15007e (diff)
downloadlinux-9637bf8ff0f050cfb9fe84f5734af633e7902796.tar.xz
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 <adrian.hunter@intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20221014170905.64069-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rwxr-xr-xtools/perf/tests/shell/test_intel_pt.sh9
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh
index 334836f92bdc..9c746ff1c4d2 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
}