[PATCH 2/3] perf: Add macros to specify onchip L2/L3 accesses
From: Kajol Jain <hidden>
Date: 2021-09-04 06:51:11
Also in:
linuxppc-dev, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Add couple of new macros to represent onchip L2 and onchip L3 accesses. Patch also adds the decoding strings in the mem_lvlnum data structure. Signed-off-by: Kajol Jain <redacted> --- tools/include/uapi/linux/perf_event.h | 4 +++- tools/perf/util/mem-events.c | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index f92880a15645..030b3e990ac3 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h@@ -1265,7 +1265,9 @@ 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 */ -/* 5-0xa available */ +#define PERF_MEM_LVLNUM_OC_L2 0x05 /* On Chip L2 */ +#define PERF_MEM_LVLNUM_OC_L3 0x06 /* On Chip L3 */ +/* 7-0xa available */ #define PERF_MEM_LVLNUM_ANY_CACHE 0x0b /* Any cache */ #define PERF_MEM_LVLNUM_LFB 0x0c /* LFB */ #define PERF_MEM_LVLNUM_RAM 0x0d /* RAM */
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index f0e75df72b80..f846a91220c2 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c@@ -294,6 +294,8 @@ static const char * const mem_lvl[] = { }; static const char * const mem_lvlnum[] = { + [PERF_MEM_LVLNUM_OC_L2] = "OnChip L2", + [PERF_MEM_LVLNUM_OC_L3] = "OnChip L3", [PERF_MEM_LVLNUM_ANY_CACHE] = "Any cache", [PERF_MEM_LVLNUM_LFB] = "LFB", [PERF_MEM_LVLNUM_RAM] = "RAM",
--
2.26.2