linux-kernel - [PATCH 5/6] perf, tools: Support persistent memory encoding

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Message-Id: <20170602201233.19490-5-andi@firstfloor.org>
Date:   Fri,  2 Jun 2017 13:12:32 -0700
From:   Andi Kleen <andi@...stfloor.org>
To:     peterz@...radead.org, acme@...nel.org
Cc:     eranian@...gle.com, jolsa@...nel.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 5/6] perf, tools: Support persistent memory encoding

From: Andi Kleen <ak@...ux.intel.com>

Teach the perf user tools to report the recently added
persistent memory encoding for sample data sources.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/include/uapi/linux/perf_event.h | 3 ++-
 tools/perf/util/mem-events.c          | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 4b5deeada34b..8d2c7c4ec881 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -982,7 +982,8 @@ union perf_mem_data_src {
 #define PERF_MEM_LVLX_REMOTE    0x01 /* Remote */
 #define PERF_MEM_LVLX_L4	0x02 /* L4 */
 #define PERF_MEM_LVLX_RAM	0x04 /* Ram */
-/* 5 free */
+#define PERF_MEM_LVLX_PMEM	0x08 /* Persistent Memory */
+/* 4 free */
 
 #define PERF_MEM_LVLX_SHIFT	33
 
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index 0ebce5be5724..97d39db8c0a5 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -170,6 +170,7 @@ static const char * const mem_lvlx[] = {
 	NULL,
 	"L4",
 	"RAM",
+	"PMEM",
 };
 
 int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
-- 
2.9.4