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-rw-r--r--tools/perf/util/smt.h17
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 000000000..ae9095f2c
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+++ b/tools/perf/util/smt.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __SMT_H
+#define __SMT_H 1
+
+struct cpu_topology;
+
+/* Returns true if SMT (aka hyperthreading) is enabled. */
+bool smt_on(const struct cpu_topology *topology);
+
+/*
+ * 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,
+ const struct cpu_topology *topology);
+
+#endif /* __SMT_H */