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Subject[PATCH 4/6] perf c2c report: Add struct c2c_stats::tot_hitm field
Date
Counting total HITMs in special field. This will ease
up addition of total HITM sorting into c2c report in
following patch.

Link: http://lkml.kernel.org/n/tip-wkmgepbip59wui4pnm6yjvam@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
---
tools/perf/util/mem-events.c | 12 ++++++++++--
tools/perf/util/mem-events.h | 1 +
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 */
--
2.7.4
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