John Kacur | 8b40f52 | 2009-09-24 18:02:18 +0200 | [diff] [blame] | 1 | #ifndef __PERF_HEADER_H |
| 2 | #define __PERF_HEADER_H |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 3 | |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 4 | #include "../../../include/linux/perf_event.h" |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 5 | #include <sys/types.h> |
| 6 | #include "types.h" |
| 7 | |
| 8 | struct perf_header_attr { |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 9 | struct perf_event_attr attr; |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 10 | int ids, size; |
| 11 | u64 *id; |
| 12 | off_t id_offset; |
| 13 | }; |
| 14 | |
Frederic Weisbecker | 2ba0825 | 2009-10-17 17:12:34 +0200 | [diff] [blame^] | 15 | #define HEADER_TRACE_INFO 1 |
| 16 | |
| 17 | #define HEADER_FEAT_BITS 256 |
| 18 | |
| 19 | typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t; |
| 20 | |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 21 | struct perf_header { |
Frederic Weisbecker | 2ba0825 | 2009-10-17 17:12:34 +0200 | [diff] [blame^] | 22 | int frozen; |
| 23 | int attrs, size; |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 24 | struct perf_header_attr **attr; |
Frederic Weisbecker | 2ba0825 | 2009-10-17 17:12:34 +0200 | [diff] [blame^] | 25 | s64 attr_offset; |
| 26 | u64 data_offset; |
| 27 | u64 data_size; |
| 28 | u64 event_offset; |
| 29 | u64 event_size; |
| 30 | feat_mask_t adds_features; |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 31 | }; |
| 32 | |
Frederic Weisbecker | 2ba0825 | 2009-10-17 17:12:34 +0200 | [diff] [blame^] | 33 | static inline unsigned long *perf_header__adds_mask(struct perf_header *self) |
| 34 | { |
| 35 | return (unsigned long *)(void *)&self->adds_features; |
| 36 | } |
| 37 | |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 38 | struct perf_header *perf_header__read(int fd); |
| 39 | void perf_header__write(struct perf_header *self, int fd); |
| 40 | |
| 41 | void perf_header__add_attr(struct perf_header *self, |
| 42 | struct perf_header_attr *attr); |
| 43 | |
Arjan van de Ven | 8755a8f | 2009-09-12 07:52:51 +0200 | [diff] [blame] | 44 | void perf_header__push_event(u64 id, const char *name); |
| 45 | char *perf_header__find_event(u64 id); |
| 46 | |
| 47 | |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 48 | struct perf_header_attr * |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 49 | perf_header_attr__new(struct perf_event_attr *attr); |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 50 | void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); |
| 51 | |
Frederic Weisbecker | 0d3a5c8 | 2009-08-16 20:56:37 +0200 | [diff] [blame] | 52 | u64 perf_header__sample_type(struct perf_header *header); |
Ingo Molnar | cdd6c48 | 2009-09-21 12:02:48 +0200 | [diff] [blame] | 53 | struct perf_event_attr * |
Frederic Weisbecker | 0d3a5c8 | 2009-08-16 20:56:37 +0200 | [diff] [blame] | 54 | perf_header__find_attr(u64 id, struct perf_header *header); |
Frederic Weisbecker | 2ba0825 | 2009-10-17 17:12:34 +0200 | [diff] [blame^] | 55 | void perf_header__feat_trace_info(struct perf_header *header); |
Peter Zijlstra | 7c6a1c6 | 2009-06-25 17:05:54 +0200 | [diff] [blame] | 56 | |
| 57 | struct perf_header *perf_header__new(void); |
| 58 | |
John Kacur | 8b40f52 | 2009-09-24 18:02:18 +0200 | [diff] [blame] | 59 | #endif /* __PERF_HEADER_H */ |