| #ifndef __PERF_HEADER_H |
| #define __PERF_HEADER_H |
| |
| #include "../../../include/linux/perf_event.h" |
| #include <sys/types.h> |
| #include "types.h" |
| |
| struct perf_header_attr { |
| struct perf_event_attr attr; |
| int ids, size; |
| u64 *id; |
| off_t id_offset; |
| }; |
| |
| #define HEADER_TRACE_INFO 1 |
| |
| #define HEADER_FEAT_BITS 256 |
| |
| typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t; |
| |
| struct perf_header { |
| int frozen; |
| int attrs, size; |
| struct perf_header_attr **attr; |
| s64 attr_offset; |
| u64 data_offset; |
| u64 data_size; |
| u64 event_offset; |
| u64 event_size; |
| feat_mask_t adds_features; |
| }; |
| |
| 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); |
| |
| void perf_header__add_attr(struct perf_header *self, |
| struct perf_header_attr *attr); |
| |
| void perf_header__push_event(u64 id, const char *name); |
| char *perf_header__find_event(u64 id); |
| |
| |
| struct perf_header_attr * |
| perf_header_attr__new(struct perf_event_attr *attr); |
| void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); |
| |
| u64 perf_header__sample_type(struct perf_header *header); |
| struct perf_event_attr * |
| perf_header__find_attr(u64 id, struct perf_header *header); |
| void perf_header__feat_trace_info(struct perf_header *header); |
| |
| struct perf_header *perf_header__new(void); |
| |
| #endif /* __PERF_HEADER_H */ |