[PATCH v3 05/10] perf: add PMU_EVENT_ATTR_STRING() helper

From: Sukadev Bhattiprolu
Date: Wed Sep 17 2014 - 14:54:06 EST


From: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>

Helper for constructing static struct perf_pmu_events_attr s.

CC: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
CC: Haren Myneni <hbabu@xxxxxxxxxx>
CC: Cody P Schafer <dev@xxxxxxxxxx>
Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
---
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 cef4a56..32190c5 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -891,6 +891,13 @@ 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, \
--
1.7.9.5

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