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-rw-r--r--tools/testing/selftests/resctrl/resctrl_tests.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
index 2bbe3045a018..f0d573aa363b 100644
--- a/tools/testing/selftests/resctrl/resctrl_tests.c
+++ b/tools/testing/selftests/resctrl/resctrl_tests.c
@@ -10,6 +10,10 @@
*/
#include "resctrl.h"
+/* Volatile memory sink to prevent compiler optimizations */
+static volatile int sink_target;
+volatile int *value_sink = &sink_target;
+
static int detect_vendor(void)
{
FILE *inf = fopen("/proc/cpuinfo", "r");