perf tools: Move parse_events error printing to parse_events_options

The callers of parse_events usually have their own error handling.  Move
the fprintf for a bad event to parse_events_options, which is the only
one who should need it.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1351283415-13170-25-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 3a3efcf3e4e9..c0b785b50849 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -827,8 +827,6 @@ int parse_events(struct perf_evlist *evlist, const char *str,
          * Both call perf_evlist__delete in case of error, so we dont
          * need to bother.
          */
-        fprintf(stderr, "invalid or unsupported event: '%s'\n", str);
-        fprintf(stderr, "Run 'perf list' for a list of valid events\n");
         return ret;
 }
 
@@ -836,7 +834,13 @@ int parse_events_option(const struct option *opt, const char *str,
                         int unset __maybe_unused)
 {
         struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
-        return parse_events(evlist, str, unset);
+        int ret = parse_events(evlist, str, unset);
+
+        if (ret) {
+                fprintf(stderr, "invalid or unsupported event: '%s'\n", str);
+                fprintf(stderr, "Run 'perf list' for a list of valid events\n");
+        }
+        return ret;
 }
 
 int parse_filter(const struct option *opt, const char *str,