[PATCH 4/9] perf stat: Move common code in print_metric_headers()

[Namhyung Kim <namhyung@kernel.org>]

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>
---
 tools/perf/util/stat-display.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index d4936a502560..115477461224 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -837,11 +837,16 @@ 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)
@@ -865,13 +870,11 @@ 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,
-- 
2.38.1.431.g37b22c650d-goog