| #ifndef __PERF_HEADER_H |
| #define __PERF_HEADER_H |
| |
| #include "../../../include/linux/perf_event.h" |
| #include <sys/types.h> |
| #include <stdbool.h> |
| #include "types.h" |
| |
| #include <linux/bitmap.h> |
| |
| struct perf_header_attr { |
| struct perf_event_attr attr; |
| int ids, size; |
| u64 *id; |
| off_t id_offset; |
| }; |
| |
| 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; |
| struct perf_header_attr **attr; |
| s64 attr_offset; |
| u64 data_offset; |
| u64 data_size; |
| u64 event_offset; |
| u64 event_size; |
| DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
| }; |
| |
| struct perf_header *perf_header__read(int fd); |
| void perf_header__write(struct perf_header *self, int fd, bool at_exit); |
| |
| 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__set_feat(struct perf_header *self, int feat); |
| 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 */ |