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authorIngo Molnar <mingo@kernel.org>2012-03-23 09:16:03 +0100
committerIngo Molnar <mingo@kernel.org>2012-03-23 09:16:03 +0100
commitc5bc437702b24817cabd65a6a57971ff91a7712c (patch)
treeecf85a6f3f788d5009cf1136f3a30907e02e8802 /include
parent6605f9ac69593d480324ba5fa05f64cfebf4db2f (diff)
parent4bf9ce1b5ecffffeb8b9d7e925bac3e6b10109aa (diff)
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Cleanups and fixes for perf/core: . Short term fix for 'diff' tool breakage related to perf.data files with multiple events. From Jiri Olsa . Cleanup for event id tracepoint reading routine, from Borislav Petkov . 32-bit compilation fixes from Jiri Olsa . Event parsing modifier assignment fixes from Jiri Olsa Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/perf_event.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index bd9f55a5958d..57ae485e80fc 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -550,6 +550,7 @@ struct perf_guest_info_callbacks {
#include <linux/irq_work.h>
#include <linux/static_key.h>
#include <linux/atomic.h>
+#include <linux/sysfs.h>
#include <asm/local.h>
#define PERF_MAX_STACK_DEPTH 255
@@ -1291,5 +1292,18 @@ do { \
register_cpu_notifier(&fn##_nb); \
} while (0)
+
+#define PMU_FORMAT_ATTR(_name, _format) \
+static ssize_t \
+_name##_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *page) \
+{ \
+ BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \
+ return sprintf(page, _format "\n"); \
+} \
+ \
+static struct device_attribute format_attr_##_name = __ATTR_RO(_name)
+
#endif /* __KERNEL__ */
#endif /* _LINUX_PERF_EVENT_H */