linux-kernel - [PATCH 1/3] perf: Add macros to specify onchip L2/L3 accesses

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Message-Id: <20210904064932.307610-1-kjain@linux.ibm.com>
Date:   Sat,  4 Sep 2021 12:19:30 +0530
From:   Kajol Jain <kjain@...ux.ibm.com>
To:     mpe@...erman.id.au, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        mingo@...hat.com, acme@...nel.org, jolsa@...nel.org,
        namhyung@...nel.org, linux-perf-users@...r.kernel.org,
        ak@...ux.intel.com
Cc:     maddy@...ux.ibm.com, atrajeev@...ux.vnet.ibm.com,
        kjain@...ux.ibm.com, rnsastry@...ux.ibm.com,
        yao.jin@...ux.intel.com, ast@...nel.org, daniel@...earbox.net,
        songliubraving@...com, kan.liang@...ux.intel.com,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        paulus@...ba.org
Subject: [PATCH 1/3] perf: Add macros to specify onchip L2/L3 accesses

Add couple of new macros to represent onchip L2 and onchip L3 accesses.

Signed-off-by: Kajol Jain <kjain@...ux.ibm.com>
---
 include/uapi/linux/perf_event.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index f92880a15645..030b3e990ac3 100644
--- a/include/uapi/linux/perf_event.h
+++ b/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 */
-- 
2.26.2