[PATCH v2 30/48] perf stat: Rename aggr_data cpu to imply it's an index

Ian Rogers irogers at google.com
Wed Dec 22 23:45:23 PST 2021


Trying to make cpu maps less error prone.

Signed-off-by: Ian Rogers <irogers at google.com>
---
 tools/perf/util/python.c       |  2 +-
 tools/perf/util/stat-display.c | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 563a9ba8954f..4b510a1f27d4 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1057,7 +1057,7 @@ static struct mmap *get_md(struct evlist *evlist, int cpu)
 	for (i = 0; i < evlist->core.nr_mmaps; i++) {
 		struct mmap *md = &evlist->mmap[i];
 
-		if (md->core.cpu == cpu)
+		if (md->core.cpu_map_idx == cpu)
 			return md;
 	}
 
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 821511ba22cc..4f93591aaa76 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -626,7 +626,7 @@ struct aggr_data {
 	u64 ena, run, val;
 	struct aggr_cpu_id id;
 	int nr;
-	int cpu;
+	int cpu_map_idx;
 };
 
 static void aggr_cb(struct perf_stat_config *config,
@@ -878,9 +878,9 @@ static void counter_cb(struct perf_stat_config *config __maybe_unused,
 {
 	struct aggr_data *ad = data;
 
-	ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
-	ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
-	ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
+	ad->val += perf_counts(counter->counts, ad->cpu_map_idx, 0)->val;
+	ad->ena += perf_counts(counter->counts, ad->cpu_map_idx, 0)->ena;
+	ad->run += perf_counts(counter->counts, ad->cpu_map_idx, 0)->run;
 }
 
 /*
@@ -897,7 +897,7 @@ static void print_counter(struct perf_stat_config *config,
 	struct aggr_cpu_id id;
 
 	for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
-		struct aggr_data ad = { .cpu = cpu };
+		struct aggr_data ad = { .cpu_map_idx = cpu };
 
 		if (!collect_data(config, counter, counter_cb, &ad))
 			return;
-- 
2.34.1.307.g9b7440fafd-goog




More information about the linux-arm-kernel mailing list