header.h 1.5 KB

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  1. #ifndef __PERF_HEADER_H
  2. #define __PERF_HEADER_H
  3. #include "../../../include/linux/perf_event.h"
  4. #include <sys/types.h>
  5. #include <stdbool.h>
  6. #include "types.h"
  7. #include <linux/bitmap.h>
  8. struct perf_header_attr {
  9. struct perf_event_attr attr;
  10. int ids, size;
  11. u64 *id;
  12. off_t id_offset;
  13. };
  14. #define HEADER_TRACE_INFO 1
  15. #define HEADER_BUILD_ID 2
  16. #define HEADER_FEAT_BITS 256
  17. struct perf_header {
  18. int frozen;
  19. int attrs, size;
  20. struct perf_header_attr **attr;
  21. s64 attr_offset;
  22. u64 data_offset;
  23. u64 data_size;
  24. u64 event_offset;
  25. u64 event_size;
  26. DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
  27. };
  28. struct perf_header *perf_header__read(int fd);
  29. void perf_header__write(struct perf_header *self, int fd, bool at_exit);
  30. void perf_header__add_attr(struct perf_header *self,
  31. struct perf_header_attr *attr);
  32. void perf_header__push_event(u64 id, const char *name);
  33. char *perf_header__find_event(u64 id);
  34. struct perf_header_attr *
  35. perf_header_attr__new(struct perf_event_attr *attr);
  36. void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
  37. u64 perf_header__sample_type(struct perf_header *header);
  38. struct perf_event_attr *
  39. perf_header__find_attr(u64 id, struct perf_header *header);
  40. void perf_header__feat_trace_info(struct perf_header *header);
  41. void perf_header__set_feat(struct perf_header *self, int feat);
  42. bool perf_header__has_feat(const struct perf_header *self, int feat);
  43. struct perf_header *perf_header__new(void);
  44. #endif /* __PERF_HEADER_H */