diff mbox

[v6,2/7] perf: add PMU_EVENT_ATTR_STRING() helper

Message ID 1419234532-22657-3-git-send-email-sukadev@linux.vnet.ibm.com (mailing list archive)
State Superseded
Delegated to: Michael Ellerman
Headers show

Commit Message

Sukadev Bhattiprolu Dec. 22, 2014, 7:48 a.m. UTC 
From: Cody P Schafer <cody@linux.vnet.ibm.com>

Helper for constructing static struct perf_pmu_events_attr s.

CC: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
CC: Haren Myneni <hbabu@us.ibm.com>
CC: Cody P Schafer <dev@codyps.com>
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
 include/linux/perf_event.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox

Patch

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 58f59bd..4038299 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, _value)			\
+static struct perf_pmu_events_attr _var = {				\
+	.attr = __ATTR(_name, 0444, perf_event_sysfs_show, NULL),	\
+	.event_str = _value,						\
+};
+
+
 #define PMU_FORMAT_ATTR(_name, _format)					\
 static ssize_t								\
 _name##_show(struct device *dev,					\