diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index ccb804546d5a..173f4715189c 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -835,11 +835,16 @@ 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) @@ -863,13 +868,11 @@ 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,