1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/smt.h b/tools/perf/util/smt.h
new file mode 100644
index 0000000000..01441fd2c0
--- /dev/null
+++ b/tools/perf/util/smt.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __SMT_H
+#define __SMT_H 1
+
+/*
+ * Returns true if SMT (aka hyperthreading) is enabled. Determined via sysfs or
+ * the online topology.
+ */
+bool smt_on(void);
+
+/*
+ * Returns true when system wide and all SMT threads for a core are in the
+ * user_requested_cpus map.
+ */
+bool core_wide(bool system_wide, const char *user_requested_cpu_list);
+
+#endif /* __SMT_H */