event.h 3.5 KB

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  1. #ifndef __PERF_RECORD_H
  2. #define __PERF_RECORD_H
  3. #include <limits.h>
  4. #include "../perf.h"
  5. #include "map.h"
  6. /*
  7. * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
  8. */
  9. struct ip_event {
  10. struct perf_event_header header;
  11. u64 ip;
  12. u32 pid, tid;
  13. unsigned char __more_data[];
  14. };
  15. struct mmap_event {
  16. struct perf_event_header header;
  17. u32 pid, tid;
  18. u64 start;
  19. u64 len;
  20. u64 pgoff;
  21. char filename[PATH_MAX];
  22. };
  23. struct comm_event {
  24. struct perf_event_header header;
  25. u32 pid, tid;
  26. char comm[16];
  27. };
  28. struct fork_event {
  29. struct perf_event_header header;
  30. u32 pid, ppid;
  31. u32 tid, ptid;
  32. u64 time;
  33. };
  34. struct lost_event {
  35. struct perf_event_header header;
  36. u64 id;
  37. u64 lost;
  38. };
  39. /*
  40. * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  41. */
  42. struct read_event {
  43. struct perf_event_header header;
  44. u32 pid, tid;
  45. u64 value;
  46. u64 time_enabled;
  47. u64 time_running;
  48. u64 id;
  49. };
  50. struct sample_event {
  51. struct perf_event_header header;
  52. u64 array[];
  53. };
  54. struct sample_data {
  55. u64 ip;
  56. u32 pid, tid;
  57. u64 time;
  58. u64 addr;
  59. u64 id;
  60. u64 stream_id;
  61. u64 period;
  62. u32 cpu;
  63. u32 raw_size;
  64. void *raw_data;
  65. struct ip_callchain *callchain;
  66. };
  67. #define BUILD_ID_SIZE 20
  68. struct build_id_event {
  69. struct perf_event_header header;
  70. u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
  71. char filename[];
  72. };
  73. enum perf_header_event_type { /* above any possible kernel type */
  74. PERF_RECORD_HEADER_ATTR = 64,
  75. PERF_RECORD_HEADER_EVENT_TYPE = 65,
  76. PERF_RECORD_HEADER_TRACING_DATA = 66,
  77. PERF_RECORD_HEADER_BUILD_ID = 67,
  78. PERF_RECORD_HEADER_MAX
  79. };
  80. struct attr_event {
  81. struct perf_event_header header;
  82. struct perf_event_attr attr;
  83. u64 id[];
  84. };
  85. #define MAX_EVENT_NAME 64
  86. struct perf_trace_event_type {
  87. u64 event_id;
  88. char name[MAX_EVENT_NAME];
  89. };
  90. struct event_type_event {
  91. struct perf_event_header header;
  92. struct perf_trace_event_type event_type;
  93. };
  94. struct tracing_data_event {
  95. struct perf_event_header header;
  96. u32 size;
  97. };
  98. typedef union event_union {
  99. struct perf_event_header header;
  100. struct ip_event ip;
  101. struct mmap_event mmap;
  102. struct comm_event comm;
  103. struct fork_event fork;
  104. struct lost_event lost;
  105. struct read_event read;
  106. struct sample_event sample;
  107. struct attr_event attr;
  108. struct event_type_event event_type;
  109. struct tracing_data_event tracing_data;
  110. struct build_id_event build_id;
  111. } event_t;
  112. struct events_stats {
  113. u64 total;
  114. u64 lost;
  115. };
  116. struct event_stat_id {
  117. struct rb_node rb_node;
  118. struct rb_root hists;
  119. struct events_stats stats;
  120. u64 config;
  121. u64 event_stream;
  122. u32 type;
  123. };
  124. void event__print_totals(void);
  125. struct perf_session;
  126. typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
  127. int event__synthesize_thread(pid_t pid, event__handler_t process,
  128. struct perf_session *session);
  129. void event__synthesize_threads(event__handler_t process,
  130. struct perf_session *session);
  131. int event__synthesize_kernel_mmap(event__handler_t process,
  132. struct perf_session *session,
  133. const char *symbol_name);
  134. int event__synthesize_modules(event__handler_t process,
  135. struct perf_session *session);
  136. int event__process_comm(event_t *self, struct perf_session *session);
  137. int event__process_lost(event_t *self, struct perf_session *session);
  138. int event__process_mmap(event_t *self, struct perf_session *session);
  139. int event__process_task(event_t *self, struct perf_session *session);
  140. struct addr_location;
  141. int event__preprocess_sample(const event_t *self, struct perf_session *session,
  142. struct addr_location *al, symbol_filter_t filter);
  143. int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
  144. #endif /* __PERF_RECORD_H */