1 files changed, 21 insertions, 0 deletions

diff --git a/tools/perf/util/cacheline.h b/tools/perf/util/cacheline.h
new file mode 100644
index 000000000000..dec8c0fb1f4a
--- /dev/null
+++ b/tools/perf/util/cacheline.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef PERF_CACHELINE_H
+#define PERF_CACHELINE_H
+
+#include <linux/compiler.h>
+
+int __pure cacheline_size(void);
+
+static inline u64 cl_address(u64 address)
+{
+        /* return the cacheline of the address */
+        return (address & ~(cacheline_size() - 1));
+}
+
+static inline u64 cl_offset(u64 address)
+{
+        /* return the cacheline of the address */
+        return (address & (cacheline_size() - 1));
+}
+
+#endif // PERF_CACHELINE_H