Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-13 15:41:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf c2c report: Add struct c2c_stats::tot_hitm field

Browse Source 
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>
This commit is contained in:
Jiri Olsa 2016-11-21 22:33:29 +01:00 committed by Arnaldo Carvalho de Melo
parent b7ac4f9f3b
commit dba8ab9379
2 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tools/perf/util/mem-events.c
View File

@ -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;

1
tools/perf/util/mem-events.h
View File

@ -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 */