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Diffstat (limited to '')
-rw-r--r-- | tools/perf/util/cacheline.h | 21 |
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 000000000..dec8c0fb1 --- /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 |