session.h 4.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __PERF_SESSION_H
  3. #define __PERF_SESSION_H
  4. #include "trace-event.h"
  5. #include "event.h"
  6. #include "header.h"
  7. #include "machine.h"
  8. #include "data.h"
  9. #include "ordered-events.h"
  10. #include "util/compress.h"
  11. #include <linux/kernel.h>
  12. #include <linux/rbtree.h>
  13. #include <linux/perf_event.h>
  14. struct ip_callchain;
  15. struct symbol;
  16. struct thread;
  17. struct auxtrace;
  18. struct itrace_synth_opts;
  19. struct perf_session {
  20. struct perf_header header;
  21. struct machines machines;
  22. struct evlist *evlist;
  23. struct auxtrace *auxtrace;
  24. struct itrace_synth_opts *itrace_synth_opts;
  25. struct list_head auxtrace_index;
  26. struct trace_event tevent;
  27. struct perf_record_time_conv time_conv;
  28. bool repipe;
  29. bool one_mmap;
  30. void *one_mmap_addr;
  31. u64 one_mmap_offset;
  32. struct ordered_events ordered_events;
  33. struct perf_data *data;
  34. struct perf_tool *tool;
  35. u64 bytes_transferred;
  36. u64 bytes_compressed;
  37. struct zstd_data zstd_data;
  38. struct decomp *decomp;
  39. struct decomp *decomp_last;
  40. };
  41. struct decomp {
  42. struct decomp *next;
  43. u64 file_pos;
  44. size_t mmap_len;
  45. u64 head;
  46. size_t size;
  47. char data[];
  48. };
  49. struct perf_tool;
  50. struct perf_session *perf_session__new(struct perf_data *data,
  51. bool repipe, struct perf_tool *tool);
  52. void perf_session__delete(struct perf_session *session);
  53. void perf_event_header__bswap(struct perf_event_header *hdr);
  54. int perf_session__peek_event(struct perf_session *session, off_t file_offset,
  55. void *buf, size_t buf_sz,
  56. union perf_event **event_ptr,
  57. struct perf_sample *sample);
  58. typedef int (*peek_events_cb_t)(struct perf_session *session,
  59. union perf_event *event, u64 offset,
  60. void *data);
  61. int perf_session__peek_events(struct perf_session *session, u64 offset,
  62. u64 size, peek_events_cb_t cb, void *data);
  63. int perf_session__process_events(struct perf_session *session);
  64. int perf_session__queue_event(struct perf_session *s, union perf_event *event,
  65. u64 timestamp, u64 file_offset);
  66. void perf_tool__fill_defaults(struct perf_tool *tool);
  67. int perf_session__resolve_callchain(struct perf_session *session,
  68. struct evsel *evsel,
  69. struct thread *thread,
  70. struct ip_callchain *chain,
  71. struct symbol **parent);
  72. bool perf_session__has_traces(struct perf_session *session, const char *msg);
  73. void perf_event__attr_swap(struct perf_event_attr *attr);
  74. int perf_session__create_kernel_maps(struct perf_session *session);
  75. void perf_session__set_id_hdr_size(struct perf_session *session);
  76. static inline
  77. struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
  78. {
  79. return machines__find(&session->machines, pid);
  80. }
  81. static inline
  82. struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
  83. {
  84. return machines__findnew(&session->machines, pid);
  85. }
  86. struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
  87. int perf_session__register_idle_thread(struct perf_session *session);
  88. size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
  89. size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
  90. size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
  91. bool (fn)(struct dso *dso, int parm), int parm);
  92. size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
  93. struct evsel *perf_session__find_first_evtype(struct perf_session *session,
  94. unsigned int type);
  95. int perf_session__cpu_bitmap(struct perf_session *session,
  96. const char *cpu_list, unsigned long *cpu_bitmap);
  97. void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
  98. struct evsel_str_handler;
  99. #define perf_session__set_tracepoints_handlers(session, array) \
  100. __evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array))
  101. extern volatile int session_done;
  102. #define session_done() READ_ONCE(session_done)
  103. int perf_session__deliver_synth_event(struct perf_session *session,
  104. union perf_event *event,
  105. struct perf_sample *sample);
  106. int perf_event__process_id_index(struct perf_session *session,
  107. union perf_event *event);
  108. #endif /* __PERF_SESSION_H */