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perf c2c: Add helpers to get counts of loads or stores 

Wrap repeated code in helper functions get_load_llc_misses,
get_load_cache_hits. For consistence, helper function get_stores is
wraped as well.

Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220906032906.21395-3-shangxiaojing@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Shang XiaoJing 2022-09-06 11:29:05 +08:00 committed by Arnaldo Carvalho de Melo
parent 4fb47c8c20
commit cf874a0165
1 changed files with 30 additions and 39 deletions
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69
tools/perf/builtin-c2c.c
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@ -679,28 +679,35 @@ STAT_FN(ld_l2hit)
STAT_FN(ld_llchit)
STAT_FN(rmt_hit)
static uint64_t get_load_llc_misses(struct c2c_stats *stats)
{
return stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
}
static uint64_t get_load_cache_hits(struct c2c_stats *stats)
{
return stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
}
static uint64_t get_stores(struct c2c_stats *stats)
{
return stats->st_l1hit +
stats->st_l1miss +
stats->st_na;
}
static uint64_t total_records(struct c2c_stats *stats)
{
uint64_t lclmiss, ldcnt, total;
lclmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
ldcnt = lclmiss +
stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
total = ldcnt +
stats->st_l1hit +
stats->st_l1miss +
stats->st_na;
return total;
return get_load_llc_misses(stats) +
get_load_cache_hits(stats) +
get_stores(stats);
}
static int
@ -737,21 +744,8 @@ tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
static uint64_t total_loads(struct c2c_stats *stats)
{
uint64_t lclmiss, ldcnt;
lclmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
ldcnt = lclmiss +
stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
return ldcnt;
return get_load_llc_misses(stats) +
get_load_cache_hits(stats);
}
static int
@ -2376,10 +2370,7 @@ static void print_c2c__display_stats(FILE *out)
int llc_misses;
struct c2c_stats *stats = &c2c.hists.stats;
llc_misses = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hit +
stats->rmt_hitm;
llc_misses = get_load_llc_misses(stats);
fprintf(out, "=================================================\n");
fprintf(out, " Trace Event Information \n");