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authorNamhyung Kim <namhyung@kernel.org>2022-11-08 00:33:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-12-31 15:32:44 +0300
commit8a9c05d988cc7cf51c74ecd6aa8c14bdd1771d9f (patch)
tree414f94f54700ba359107a66b49e3db2f657e4588 /tools/perf/util
parent1b2a63c33106262de08921357ac03d0fa4e2e0f3 (diff)
downloadlinux-8a9c05d988cc7cf51c74ecd6aa8c14bdd1771d9f.tar.xz
perf stat: Move common code in print_metric_headers()
[ Upstream commit f4e55f88da923f39f0b76edc3da3c52d0b72d429 ] The struct perf_stat_output_ctx is set in a loop with the same values. Move the code out of the loop and keep the loop minimal. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20221107213314.3239159-5-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Stable-dep-of: fdc7d6082459 ("perf stat: Fix --metric-only --json output") Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/stat-display.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 7780742e7f4b..bc866d18973e 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -1130,11 +1130,16 @@ static void print_metric_headers(struct perf_stat_config *config,
struct evlist *evlist,
const char *prefix, bool no_indent)
{
- struct perf_stat_output_ctx out;
struct evsel *counter;
struct outstate os = {
.fh = config->output
};
+ struct perf_stat_output_ctx out = {
+ .ctx = &os,
+ .print_metric = print_metric_header,
+ .new_line = new_line_metric,
+ .force_header = true,
+ };
bool first = true;
if (config->json_output && !config->interval)
@@ -1158,13 +1163,11 @@ static void print_metric_headers(struct perf_stat_config *config,
/* Print metrics headers only */
evlist__for_each_entry(evlist, counter) {
os.evsel = counter;
- out.ctx = &os;
- out.print_metric = print_metric_header;
+
if (!first && config->json_output)
fprintf(config->output, ", ");
first = false;
- out.new_line = new_line_metric;
- out.force_header = true;
+
perf_stat__print_shadow_stats(config, counter, 0,
0,
&out,