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authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-17 19:57:18 +0400
committerIngo Molnar <mingo@elte.hu>2009-10-19 11:26:35 +0400
commitdb9f11e36d0125a5e3e595ea9ef2e4b89f7e8737 (patch)
treed0622b32432b06391a3f0ebece4d296a72bd0f3b /tools/perf/util/header.h
parent2ba0825075e76236d22a20decd8e2346a99faabe (diff)
downloadlinux-db9f11e36d0125a5e3e595ea9ef2e4b89f7e8737.tar.xz
perf tools: Use DECLARE_BITMAP instead of an open-coded array
Use DECLARE_BITMAP instead of an open coded array for our bitmap of featured sections. This makes the array an unsigned long instead of a u64 but since we use a 256 bits bitmap, the array size shouldn't vary between different boxes. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1255795038-13751-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/header.h')
-rw-r--r--tools/perf/util/header.h11
1 files changed, 3 insertions, 8 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 0eb4a9126b7c..2ea9dfb1236a 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -5,6 +5,8 @@
#include <sys/types.h>
#include "types.h"
+#include <linux/bitmap.h>
+
struct perf_header_attr {
struct perf_event_attr attr;
int ids, size;
@@ -16,8 +18,6 @@ struct perf_header_attr {
#define HEADER_FEAT_BITS 256
-typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t;
-
struct perf_header {
int frozen;
int attrs, size;
@@ -27,14 +27,9 @@ struct perf_header {
u64 data_size;
u64 event_offset;
u64 event_size;
- feat_mask_t adds_features;
+ DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
};
-static inline unsigned long *perf_header__adds_mask(struct perf_header *self)
-{
- return (unsigned long *)(void *)&self->adds_features;
-}
-
struct perf_header *perf_header__read(int fd);
void perf_header__write(struct perf_header *self, int fd);