perf c2c report: Add struct c2c_stats::tot_hitm field

Count total number of HITMs in a special field. This will ease up
addition of total HITM sorting into c2c report in the following patch.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1479764011-10732-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 11 insertions, 2 deletions

diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index e50773286ef6..1d4ab53c60ca 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -280,6 +280,12 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
         u64 lock   = data_src->mem_lock;
         int err = 0;
 
+#define HITM_INC(__f)           \
+do {                            \
+        stats->__f++;           \
+        stats->tot_hitm++;      \
+} while (0)
+
 #define P(a, b) PERF_MEM_##a##_##b
 
         stats->nr_entries++;
@@ -303,7 +309,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
                         if (lvl & P(LVL, L2 )) stats->ld_l2hit++;
                         if (lvl & P(LVL, L3 )) {
                                 if (snoop & P(SNOOP, HITM))
-                                        stats->lcl_hitm++;
+                                        HITM_INC(lcl_hitm);
                                 else
                                         stats->ld_llchit++;
                         }
@@ -331,7 +337,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
                         if (snoop & P(SNOOP, HIT))
                                 stats->rmt_hit++;
                         else if (snoop & P(SNOOP, HITM))
-                                stats->rmt_hitm++;
+                                HITM_INC(rmt_hitm);
                 }
 
                 if ((lvl & P(LVL, MISS)))
@@ -364,6 +370,7 @@ int c2c_decode_stats(struct c2c_stats *stats, struct mem_info *mi)
         }
 
 #undef P
+#undef HITM_INC
         return err;
 }
 
@@ -390,6 +397,7 @@ void c2c_add_stats(struct c2c_stats *stats, struct c2c_stats *add)
         stats->ld_llchit        += add->ld_llchit;
         stats->lcl_hitm         += add->lcl_hitm;
         stats->rmt_hitm         += add->rmt_hitm;
+        stats->tot_hitm         += add->tot_hitm;
         stats->rmt_hit          += add->rmt_hit;
         stats->lcl_dram         += add->lcl_dram;
         stats->rmt_dram         += add->rmt_dram;
diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h
index faf80403b519..40f72ee4f42a 100644
--- a/tools/perf/util/mem-events.h
+++ b/tools/perf/util/mem-events.h
@@ -59,6 +59,7 @@ struct c2c_stats {
         u32     ld_llchit;           /* count of loads that hit LLC */
         u32     lcl_hitm;            /* count of loads with local HITM  */
         u32     rmt_hitm;            /* count of loads with remote HITM */
+        u32     tot_hitm;            /* count of loads with local and remote HITM */
         u32     rmt_hit;             /* count of loads with remote hit clean; */
         u32     lcl_dram;            /* count of loads miss to local DRAM */
         u32     rmt_dram;            /* count of loads miss to remote DRAM */