linux-kernel - [PATCH 25/31] perf, tools: Move parse_events error printing to parse_events

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Message-Id: <1349221731-15665-26-git-send-email-andi@firstfloor.org>
Date:	Tue,  2 Oct 2012 16:48:45 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	acme@...hat.com, x86@...r.kernel.org, eranian@...gle.com,
	jolsa@...hat.com, a.p.zijlstra@...llo.nl,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 25/31] perf, tools: Move parse_events error printing to parse_events_options

From: Andi Kleen <ak@...ux.intel.com>

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@...ux.intel.com>
---
 tools/perf/util/parse-events.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index aed38e4..401b088 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -824,8 +824,6 @@ 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;
 }
 
@@ -833,7 +831,13 @@ 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,
-- 
1.7.7.6

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