perf parse-events: Add debug logging to perf_event

If verbose is enabled and parse_event is called, typically by tests,
log failures.

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 0c0dc20b1c1375f6f0ddda7213f2c2310a2bd462..e522082c5a214038a50d1bcbf2b9ff6edd16ce08 100644 (file)
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2236,6 +2236,8 @@ int parse_event(struct evlist *evlist, const char *str)
 
        parse_events_error__init(&err);
        ret = parse_events(evlist, str, &err);
+       if (ret && verbose > 0)
+               parse_events_error__print(&err, str);
        parse_events_error__exit(&err);
        return ret;
 }