1 files changed, 11 insertions, 1 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index dddf3f01b5ab..83df8db4f358 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -13,6 +13,7 @@ static char const		*script_name;
 static char const               *generate_script_lang;
 static bool                     debug_ordering;
 static u64                      last_timestamp;
+static u64                      nr_unordered;
 
 static int default_start_script(const char *script __unused,
                                 int argc __unused,
@@ -96,8 +97,10 @@ static int process_sample_event(event_t *event, struct perf_session *session)
                                 pr_err("Samples misordered, previous: %llu "
                                         "this: %llu\n", last_timestamp,
                                         data.time);
+                                nr_unordered++;
                         }
                         last_timestamp = data.time;
+                        return 0;
                 }
                 /*
                  * FIXME: better resolve from pid from the struct trace_entry
@@ -132,9 +135,16 @@ static void sig_handler(int sig __unused)
 
 static int __cmd_trace(struct perf_session *session)
 {
+        int ret;
+
         signal(SIGINT, sig_handler);
 
-        return perf_session__process_events(session, &event_ops);
+        ret = perf_session__process_events(session, &event_ops);
+
+        if (debug_ordering)
+                pr_err("Misordered timestamps: %llu\n", nr_unordered);
+
+        return ret;
 }
 
 struct script_spec {