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-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
}