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Date:	Fri, 30 Jan 2015 13:45:58 -0800
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Michael Ellerman <mpe@...erman.id.au>, Jiri Olsa <jolsa@...hat.com>
Cc:	dev@...yps.com, <linux-kernel@...r.kernel.org>,
	linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v7 2/7] perf: add PMU_EVENT_ATTR_STRING() helper

From: Cody P Schafer <cody@...ux.vnet.ibm.com>

Helper for constructing static struct perf_pmu_events_attr s.

Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
---
Changelog[v7]:
	[Jiri Olsa] Initialize 'id' field in perf_pmu_events_attr also.

 include/linux/perf_event.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 58f59bd..1d36314 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -906,6 +906,13 @@ static struct perf_pmu_events_attr _var = {				\
 	.id   =  _id,							\
 };
 
+#define PMU_EVENT_ATTR_STRING(_name, _var, _str)			    \
+static struct perf_pmu_events_attr _var = {				    \
+	.attr		= __ATTR(_name, 0444, perf_event_sysfs_show, NULL), \
+	.id		= 0,						    \
+	.event_str	= _str,						    \
+};
+
 #define PMU_FORMAT_ATTR(_name, _format)					\
 static ssize_t								\
 _name##_show(struct device *dev,					\
-- 
1.8.3.1

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