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authorShang XiaoJing <shangxiaojing@huawei.com>2022-09-06 06:29:05 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-10-04 14:55:21 +0300
commitcf874a0165e4a6ea906db9e735d52ee50fdf760b (patch)
treea2addbd4d9a306a8c3b081e36378c7e061922daa /tools/perf/builtin-c2c.c
parent4fb47c8c20ec851128a36f82295886d325920864 (diff)
downloadlinux-cf874a0165e4a6ea906db9e735d52ee50fdf760b.tar.xz
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>
Diffstat (limited to 'tools/perf/builtin-c2c.c')
-rw-r--r--tools/perf/builtin-c2c.c65
1 files changed, 28 insertions, 37 deletions
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 438fc222e213..f35a47b2dbe4 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -679,28 +679,35 @@ STAT_FN(ld_l2hit)
STAT_FN(ld_llchit)
STAT_FN(rmt_hit)
-static uint64_t total_records(struct c2c_stats *stats)
+static uint64_t get_load_llc_misses(struct c2c_stats *stats)
{
- uint64_t lclmiss, ldcnt, total;
-
- lclmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
+ return 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;
+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;
+}
- total = ldcnt +
- stats->st_l1hit +
- stats->st_l1miss +
- stats->st_na;
+static uint64_t get_stores(struct c2c_stats *stats)
+{
+ return stats->st_l1hit +
+ stats->st_l1miss +
+ stats->st_na;
+}
- return total;
+static uint64_t total_records(struct c2c_stats *stats)
+{
+ 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");