[tip:perf/core] perf evsel: Fix printing of perf_event_paranoid message

From: tip-bot for David Ahern
Date: Fri May 31 2013 - 07:49:00 EST


Commit-ID: b69e63a45f2d96a0dfe930ed20385058d4574d2f
Gitweb: http://git.kernel.org/tip/b69e63a45f2d96a0dfe930ed20385058d4574d2f
Author: David Ahern <dsahern@xxxxxxxxx>
AuthorDate: Sat, 25 May 2013 17:54:00 -0600
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1369526040-1368-1-git-send-email-dsahern@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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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