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-rw-r--r--tools/perf/builtin-diff.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 70a289347591..1b96a3122228 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -691,7 +691,7 @@ static void hists__process(struct hists *hists)
hists__precompute(hists);
hists__output_resort(hists, NULL);
- hists__fprintf(hists, true, 0, 0, 0, stdout,
+ hists__fprintf(hists, !quiet, 0, 0, 0, stdout,
symbol_conf.use_callchain);
}
@@ -739,12 +739,14 @@ static void data_process(void)
hists__link(hists_base, hists);
}
- fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
- perf_evsel__name(evsel_base));
+ if (!quiet) {
+ fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
+ perf_evsel__name(evsel_base));
+ }
first = false;
- if (verbose || data__files_cnt > 2)
+ if (verbose > 0 || ((data__files_cnt > 2) && !quiet))
data__fprintf();
/* Don't sort callchain for perf diff */
@@ -807,6 +809,7 @@ static const char * const diff_usage[] = {
static const struct option options[] = {
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
OPT_BOOLEAN('b', "baseline-only", &show_baseline_only,
"Show only items with match in baseline"),
OPT_CALLBACK('c', "compute", &compute,
@@ -1328,6 +1331,9 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
argc = parse_options(argc, argv, options, diff_usage, 0);
+ if (quiet)
+ perf_quiet_option();
+
if (symbol__init(NULL) < 0)
return -1;