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-rw-r--r--tools/perf/builtin-stat.c31
-rw-r--r--tools/perf/util/stat.c2
-rw-r--r--tools/perf/util/stat.h1
3 files changed, 29 insertions, 5 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b03f06b541f9..c43ba6080691 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -314,14 +314,14 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
return 0;
}
-static void read_counters(struct timespec *rs)
+static int read_affinity_counters(struct timespec *rs)
{
struct evsel *counter;
struct affinity affinity;
int i, ncpus, cpu;
if (affinity__setup(&affinity) < 0)
- return;
+ return -1;
ncpus = perf_cpu_map__nr(evsel_list->core.all_cpus);
if (!target__has_cpu(&target) || target__has_per_thread(&target))
@@ -341,6 +341,15 @@ static void read_counters(struct timespec *rs)
}
}
affinity__cleanup(&affinity);
+ return 0;
+}
+
+static void read_counters(struct timespec *rs)
+{
+ struct evsel *counter;
+
+ if (!stat_config.summary && (read_affinity_counters(rs) < 0))
+ return;
evlist__for_each_entry(evsel_list, counter) {
if (counter->err)
@@ -763,7 +772,21 @@ try_again_reset:
if (stat_config.walltime_run_table)
stat_config.walltime_run[run_idx] = t1 - t0;
- update_stats(&walltime_nsecs_stats, t1 - t0);
+ if (interval) {
+ stat_config.interval = 0;
+ stat_config.summary = true;
+ init_stats(&walltime_nsecs_stats);
+ update_stats(&walltime_nsecs_stats, t1 - t0);
+
+ if (stat_config.aggr_mode == AGGR_GLOBAL)
+ perf_evlist__save_aggr_prev_raw_counts(evsel_list);
+
+ perf_evlist__copy_prev_raw_counts(evsel_list);
+ perf_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);
/*
* Closing a group leader splits the group, and as we only disable
@@ -2159,7 +2182,7 @@ int cmd_stat(int argc, const char **argv)
}
}
- if (!forever && status != -1 && !interval)
+ if (!forever && status != -1 && (!interval || stat_config.summary))
print_counters(NULL, argc, argv);
if (STAT_RECORD) {
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index d23109c9bee9..cdb154381a87 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -408,7 +408,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
* interval mode, otherwise overall avg running
* averages will be shown for each interval.
*/
- if (config->interval) {
+ if (config->interval || config->summary) {
for (i = 0; i < 3; i++)
init_stats(&ps->res_stats[i]);
}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 18ead55756cc..a5604a20bdca 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -110,6 +110,7 @@ struct perf_stat_config {
bool all_kernel;
bool all_user;
bool percore_show_thread;
+ bool summary;
FILE *output;
unsigned int interval;
unsigned int timeout;