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perf stat: Convert perf_stat_evsel.res_stats array

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It uses only one member, no need to have it as an array.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220930202110.845199-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-09-30 13:21:04 -07:00 committed by Arnaldo Carvalho de Melo
parent 1337b9dcb0
commit 66b76e30ee
3 changed files with 5 additions and 9 deletions
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2
tools/perf/util/stat-display.c
View File

@ -67,7 +67,7 @@ static void print_noise(struct perf_stat_config *config,
return;
ps = evsel->stats;
print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
print_noise_pct(config, stddev_stats(&ps->res_stats), avg);
}
static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel)

10
tools/perf/util/stat.c
View File

@ -132,12 +132,9 @@ static void perf_stat_evsel_id_init(struct evsel *evsel)
static void evsel__reset_stat_priv(struct evsel *evsel)
{
int i;
struct perf_stat_evsel *ps = evsel->stats;
for (i = 0; i < 3; i++)
init_stats(&ps->res_stats[i]);
init_stats(&ps->res_stats);
perf_stat_evsel_id_init(evsel);
}
@ -437,7 +434,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
struct perf_counts_values *aggr = &counter->counts->aggr;
struct perf_stat_evsel *ps = counter->stats;
u64 *count = counter->counts->aggr.values;
int i, ret;
int ret;
aggr->val = aggr->ena = aggr->run = 0;
@ -455,8 +452,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
evsel__compute_deltas(counter, -1, -1, aggr);
perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);
for (i = 0; i < 3; i++)
update_stats(&ps->res_stats[i], count[i]);
update_stats(&ps->res_stats, *count);
if (verbose > 0) {
fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",

2
tools/perf/util/stat.h
View File

@ -43,7 +43,7 @@ enum perf_stat_evsel_id {
};
struct perf_stat_evsel {
struct stats res_stats[3];
struct stats res_stats;
enum perf_stat_evsel_id id;
u64 *group_data;
};