[PATCH v3 31/48] perf stat: Use perf_cpu_map__for_each_cpu

Ian Rogers irogers at google.com
Wed Dec 29 23:20:13 PST 2021


Correct in print_counter where an index was being used as a cpu.

Signed-off-by: Ian Rogers <irogers at google.com>
---
 tools/perf/util/stat-display.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 7e933a8fee68..0f192360b6c6 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -4,6 +4,7 @@
 #include <linux/string.h>
 #include <linux/time64.h>
 #include <math.h>
+#include <perf/cpumap.h>
 #include "color.h"
 #include "counts.h"
 #include "evlist.h"
@@ -732,7 +733,7 @@ static void print_aggr(struct perf_stat_config *config,
 		evlist__for_each_entry(evlist, counter) {
 			print_counter_aggrdata(config, counter, s,
 					       prefix, metric_only,
-					       &first, -1);
+					       &first, /*cpu=*/-1);
 		}
 		if (metric_only)
 			fputc('\n', output);
@@ -893,11 +894,11 @@ static void print_counter(struct perf_stat_config *config,
 	FILE *output = config->output;
 	u64 ena, run, val;
 	double uval;
-	int cpu;
+	int idx, cpu;
 	struct aggr_cpu_id id;
 
-	for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
-		struct aggr_data ad = { .cpu_map_idx = cpu };
+	perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
+		struct aggr_data ad = { .cpu_map_idx = idx };
 
 		if (!collect_data(config, counter, counter_cb, &ad))
 			return;
@@ -1248,7 +1249,7 @@ static void print_percore(struct perf_stat_config *config,
 
 		print_counter_aggrdata(config, counter, s,
 				       prefix, metric_only,
-				       &first, -1);
+				       &first, /*cpu=*/-1);
 	}
 
 	if (metric_only)
-- 
2.34.1.448.ga2b2bfdf31-goog




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