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perf/mem: Introduce PERF_MEM_LVLNUM_UNC
author
Ravi Bangoria
<ravi.bangoria@amd.com>
Tue, 25 Jul 2023 15:02:04 +0000
(20:32 +0530)
committer
Peter Zijlstra
<peterz@infradead.org>
Wed, 26 Jul 2023 10:28:44 +0000
(12:28 +0200)
Older API PERF_MEM_LVL_UNC can be replaced by PERF_MEM_LVLNUM_UNC.
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link:
https://lore.kernel.org/r/20230725150206.184-2-ravi.bangoria@amd.com
include/uapi/linux/perf_event.h
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diff --git
a/include/uapi/linux/perf_event.h
b/include/uapi/linux/perf_event.h
index 37675437b76860ae4c3bef6a35e0eded9c25d55b..39c6a250dd1b92af18e3b4a72a047d2784f89382 100644
(file)
--- a/
include/uapi/linux/perf_event.h
+++ b/
include/uapi/linux/perf_event.h
@@
-1339,7
+1339,8
@@
union perf_mem_data_src {
#define PERF_MEM_LVLNUM_L2 0x02 /* L2 */
#define PERF_MEM_LVLNUM_L3 0x03 /* L3 */
#define PERF_MEM_LVLNUM_L4 0x04 /* L4 */
-/* 5-0x8 available */
+/* 5-0x7 available */
+#define PERF_MEM_LVLNUM_UNC 0x08 /* Uncached */
#define PERF_MEM_LVLNUM_CXL 0x09 /* CXL */
#define PERF_MEM_LVLNUM_IO 0x0a /* I/O */
#define PERF_MEM_LVLNUM_ANY_CACHE 0x0b /* Any cache */