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

From: Andi Kleen
Date: Fri Jun 02 2017 - 16:12:54 EST


From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

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

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
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