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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-11-16 19:32:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-16 22:05:50 +0100 |
| commit | 37562eac3767c7f07bb1a1329708ff6453e47570 (patch) | |
| tree | bd60ab6dcdce361cef82129e06b0d51a14ff9fe0 /tools/perf/util/header.h | |
| parent | perf tools: Debug.h needs to include event.h for event_t (diff) | |
| download | linux-37562eac3767c7f07bb1a1329708ff6453e47570.tar.xz linux-37562eac3767c7f07bb1a1329708ff6453e47570.zip | |
perf tools: Generalize perf_header__adds_read()
Renaming it to perf_header__process_sections() and passing a
callback to handle each feature.
The next changesets will introduce 'perf buildid-list' that will
handle just the HEADER_BUILD_ID table, ignoring all the other
features.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1258396365-29217-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/header.h')
| -rw-r--r-- | tools/perf/util/header.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index a22d70b07571..f1b3bf7bdfc1 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -15,11 +15,34 @@ struct perf_header_attr { off_t id_offset; }; -#define HEADER_TRACE_INFO 1 -#define HEADER_BUILD_ID 2 +enum { + HEADER_TRACE_INFO = 1, + HEADER_BUILD_ID, + HEADER_LAST_FEATURE, +}; #define HEADER_FEAT_BITS 256 +struct perf_file_section { + u64 offset; + u64 size; +}; + +struct perf_file_header { + u64 magic; + u64 size; + u64 attr_size; + struct perf_file_section attrs; + struct perf_file_section data; + struct perf_file_section event_types; + DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); +}; + +struct perf_header; + +int perf_file_header__read(struct perf_file_header *self, + struct perf_header *ph, int fd); + struct perf_header { int frozen; int attrs, size; @@ -54,4 +77,8 @@ bool perf_header__has_feat(const struct perf_header *self, int feat); struct perf_header *perf_header__new(void); +int perf_header__process_sections(struct perf_header *self, int fd, + int (*process)(struct perf_file_section *self, + int feat, int fd)); + #endif /* __PERF_HEADER_H */ |