linux-kernel - [PATCH]perf/core: remove newline char in perf_event_sysfs

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Message-Id: <1432805366-15854-1-git-send-email-maddy@linux.vnet.ibm.com>
Date:	Thu, 28 May 2015 14:59:26 +0530
From:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Cc:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH]perf/core: remove newline char in perf_event_sysfs_show

When a event also carries a event.unit file, having newline char
will make perf userspace tool to print the event name in
the next line when dumping counter data.

Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 1a3bf48..3b5a372 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -8982,7 +8982,7 @@ ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr,
 		container_of(attr, struct perf_pmu_events_attr, attr);
 
 	if (pmu_attr->event_str)
-		return sprintf(page, "%s\n", pmu_attr->event_str);
+		return sprintf(page, "%s", pmu_attr->event_str);
 
 	return 0;
 }
-- 
1.9.1

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