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perf stat: Kill unused per-thread runtime stats 

Now it's using the global rt_stat, no need to use per-thread stats.  Let
get rid of them.

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/20220930202110.845199-6-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-09-30 13:21:08 -07:00 committed by Arnaldo Carvalho de Melo
parent 87ae87fd6c
commit f407aac405
2 changed files with 0 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
tools/perf/builtin-stat.c
View File

@ -292,13 +292,8 @@ static inline void diff_timespec(struct timespec *r, struct timespec *a,
static void perf_stat__reset_stats(void)
{
int i;
evlist__reset_stats(evsel_list);
perf_stat__reset_shadow_stats();
for (i = 0; i < stat_config.stats_num; i++)
perf_stat__reset_shadow_per_stat(&stat_config.stats[i]);
}
static int process_synthesized_event(struct perf_tool *tool __maybe_unused,
@ -489,46 +484,6 @@ static void read_counters(struct timespec *rs)
}
}
static int runtime_stat_new(struct perf_stat_config *config, int nthreads)
{
int i;
config->stats = calloc(nthreads, sizeof(struct runtime_stat));
if (!config->stats)
return -1;
config->stats_num = nthreads;
for (i = 0; i < nthreads; i++)
runtime_stat__init(&config->stats[i]);
return 0;
}
static void runtime_stat_delete(struct perf_stat_config *config)
{
int i;
if (!config->stats)
return;
for (i = 0; i < config->stats_num; i++)
runtime_stat__exit(&config->stats[i]);
zfree(&config->stats);
}
static void runtime_stat_reset(struct perf_stat_config *config)
{
int i;
if (!config->stats)
return;
for (i = 0; i < config->stats_num; i++)
perf_stat__reset_shadow_per_stat(&config->stats[i]);
}
static void process_interval(void)
{
struct timespec ts, rs;
@ -537,7 +492,6 @@ static void process_interval(void)
diff_timespec(&rs, &ts, &ref_time);
perf_stat__reset_shadow_per_stat(&rt_stat);
runtime_stat_reset(&stat_config);
read_counters(&rs);
if (STAT_RECORD) {
@ -1014,7 +968,6 @@ try_again_reset:
evlist__copy_prev_raw_counts(evsel_list);
evlist__reset_prev_raw_counts(evsel_list);
runtime_stat_reset(&stat_config);
perf_stat__reset_shadow_per_stat(&rt_stat);
} else {
update_stats(&walltime_nsecs_stats, t1 - t0);
@ -2510,12 +2463,6 @@ int cmd_stat(int argc, const char **argv)
*/
if (stat_config.aggr_mode == AGGR_THREAD) {
thread_map__read_comms(evsel_list->core.threads);
if (target.system_wide) {
if (runtime_stat_new(&stat_config,
perf_thread_map__nr(evsel_list->core.threads))) {
goto out;
}
}
}
if (stat_config.aggr_mode == AGGR_NODE)
@ -2656,7 +2603,6 @@ out:
evlist__delete(evsel_list);
metricgroup__rblist_exit(&stat_config.metric_events);
runtime_stat_delete(&stat_config);
evlist__close_control(stat_config.ctl_fd, stat_config.ctl_fd_ack, &stat_config.ctl_fd_close);
return status;

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

@ -153,8 +153,6 @@ struct perf_stat_config {
int run_count;
int print_free_counters_hint;
int print_mixed_hw_group_error;
struct runtime_stat *stats;
int stats_num;
const char *csv_sep;
struct stats *walltime_nsecs_stats;
struct rusage ru_data;