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authorNamhyung Kim <namhyung@kernel.org>2022-09-30 13:21:04 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-10-06 08:03:53 -0300
commit66b76e30ee36c0c58836bf91b8602f5f2c94093a (patch)
treecd096899afa99514b62f7b0fefecfad3cf024c36 /tools/perf/util
parentperf tools: Remove special handling of system-wide evsel (diff)
downloadlinux-dev-66b76e30ee36c0c58836bf91b8602f5f2c94093a.tar.xz
linux-dev-66b76e30ee36c0c58836bf91b8602f5f2c94093a.zip
perf stat: Convert perf_stat_evsel.res_stats array
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>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/stat-display.c2
-rw-r--r--tools/perf/util/stat.c10
-rw-r--r--tools/perf/util/stat.h2
3 files changed, 5 insertions, 9 deletions
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index b82844cb0ce7..234491f43c36 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -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)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index cef943377ad7..8d27ba77f8ab 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -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",
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 72713b344b79..3eba38a1a149 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -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;
};