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| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-17 17:57:18 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2009-10-19 09:26:35 +0200 |
| commit | db9f11e36d0125a5e3e595ea9ef2e4b89f7e8737 (patch) | |
| tree | d0622b32432b06391a3f0ebece4d296a72bd0f3b /tools/perf/util/header.h | |
| parent | perf tools: Introduce bitmask'ed additional headers (diff) | |
| download | linux-dev-db9f11e36d0125a5e3e595ea9ef2e4b89f7e8737.tar.xz linux-dev-db9f11e36d0125a5e3e595ea9ef2e4b89f7e8737.zip | |
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.h | 11 |
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); |