linux-kernel - [tip:perf/core] perf evsel: Fix printing of perf_event

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Date:	Fri, 31 May 2013 04:48:38 -0700
From:	tip-bot for David Ahern <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, dsahern@...il.com, tglx@...utronix.de,
	jolsa@...hat.com
Subject: [tip:perf/core] perf evsel:
  Fix printing of perf_event_paranoid message

Commit-ID:  b69e63a45f2d96a0dfe930ed20385058d4574d2f
Gitweb:     http://git.kernel.org/tip/b69e63a45f2d96a0dfe930ed20385058d4574d2f
Author:     David Ahern <dsahern@...il.com>
AuthorDate: Sat, 25 May 2013 17:54:00 -0600
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 28 May 2013 16:24:03 +0300

perf evsel: Fix printing of perf_event_paranoid message

message is currently shown as:

  Error:
  You may not have permission to collect %sstats.
  Consider tweaking /proc/sys/kernel/perf_event_paranoid:

Note the %sstats. With patch this becomes:

  Error:
  You may not have permission to collect stats.
  Consider tweaking /proc/sys/kernel/perf_event_paranoid:

Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/r/1369526040-1368-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evsel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 07b1a3a..63b6f8c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1514,7 +1514,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel,
 	switch (err) {
 	case EPERM:
 	case EACCES:
-		return scnprintf(msg, size, "%s",
+		return scnprintf(msg, size,
 		 "You may not have permission to collect %sstats.\n"
 		 "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n"
 		 " -1 - Not paranoid at all\n"
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