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authorAndi Kleen <ak@linux.intel.com>2017-08-16 15:21:55 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-08-22 12:30:25 -0300
commit52839e653b5629bd237ad2ecdd8fdd897fcd5712 (patch)
tree60751abf140f76d14d15cd86b155ea296150d4a3 /tools/include
parent41d3d6db1767326dd7daf7c6df48e42020647c15 (diff)
downloadlinux-52839e653b5629bd237ad2ecdd8fdd897fcd5712.tar.bz2
perf tools: Add support for printing new mem_info encodings
Add decoding for the new "lvlx" and "snoopx" meminfo fields added earlier to the kernel so that "perf mem report" and other tools can print it properly. v2: Merge with persistent memory patch. Switch to new bit encoding for each combination. v3: Switch to generic lvlnum field. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20170816222156.19953-4-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/perf_event.h30
1 files changed, 28 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 642db5fa3286..2a37ae925d85 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -954,14 +954,20 @@ union perf_mem_data_src {
mem_snoop:5, /* snoop mode */
mem_lock:2, /* lock instr */
mem_dtlb:7, /* tlb access */
- mem_rsvd:31;
+ mem_lvl_num:4, /* memory hierarchy level number */
+ mem_remote:1, /* remote */
+ mem_snoopx:2, /* snoop mode, ext */
+ mem_rsvd:24;
};
};
#elif defined(__BIG_ENDIAN_BITFIELD)
union perf_mem_data_src {
__u64 val;
struct {
- __u64 mem_rsvd:31,
+ __u64 mem_rsvd:24,
+ mem_snoopx:2, /* snoop mode, ext */
+ mem_remote:1, /* remote */
+ mem_lvl_num:4, /* memory hierarchy level number */
mem_dtlb:7, /* tlb access */
mem_lock:2, /* lock instr */
mem_snoop:5, /* snoop mode */
@@ -998,6 +1004,22 @@ union perf_mem_data_src {
#define PERF_MEM_LVL_UNC 0x2000 /* Uncached memory */
#define PERF_MEM_LVL_SHIFT 5
+#define PERF_MEM_REMOTE_REMOTE 0x01 /* Remote */
+#define PERF_MEM_REMOTE_SHIFT 37
+
+#define PERF_MEM_LVLNUM_L1 0x01 /* L1 */
+#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_ANY_CACHE 0x0b /* Any cache */
+#define PERF_MEM_LVLNUM_LFB 0x0c /* LFB */
+#define PERF_MEM_LVLNUM_RAM 0x0d /* RAM */
+#define PERF_MEM_LVLNUM_PMEM 0x0e /* PMEM */
+#define PERF_MEM_LVLNUM_NA 0x0f /* N/A */
+
+#define PERF_MEM_LVLNUM_SHIFT 33
+
/* snoop mode */
#define PERF_MEM_SNOOP_NA 0x01 /* not available */
#define PERF_MEM_SNOOP_NONE 0x02 /* no snoop */
@@ -1006,6 +1028,10 @@ union perf_mem_data_src {
#define PERF_MEM_SNOOP_HITM 0x10 /* snoop hit modified */
#define PERF_MEM_SNOOP_SHIFT 19
+#define PERF_MEM_SNOOPX_FWD 0x01 /* forward */
+/* 1 free */
+#define PERF_MEM_SNOOPX_SHIFT 37
+
/* locked instruction */
#define PERF_MEM_LOCK_NA 0x01 /* not available */
#define PERF_MEM_LOCK_LOCKED 0x02 /* locked transaction */