linux/tools/perf/util/header.h
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   1#ifndef __PERF_HEADER_H
   2#define __PERF_HEADER_H
   3
   4#include "../../../include/linux/perf_event.h"
   5#include <sys/types.h>
   6#include <stdbool.h>
   7#include "types.h"
   8#include "event.h"
   9
  10#include <linux/bitmap.h>
  11
  12enum {
  13        HEADER_TRACE_INFO = 1,
  14        HEADER_BUILD_ID,
  15        HEADER_LAST_FEATURE,
  16};
  17
  18#define HEADER_FEAT_BITS                        256
  19
  20struct perf_file_section {
  21        u64 offset;
  22        u64 size;
  23};
  24
  25struct perf_file_header {
  26        u64                             magic;
  27        u64                             size;
  28        u64                             attr_size;
  29        struct perf_file_section        attrs;
  30        struct perf_file_section        data;
  31        struct perf_file_section        event_types;
  32        DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
  33};
  34
  35struct perf_pipe_file_header {
  36        u64                             magic;
  37        u64                             size;
  38};
  39
  40struct perf_header;
  41
  42int perf_file_header__read(struct perf_file_header *header,
  43                           struct perf_header *ph, int fd);
  44
  45struct perf_header {
  46        int                     frozen;
  47        bool                    needs_swap;
  48        s64                     attr_offset;
  49        u64                     data_offset;
  50        u64                     data_size;
  51        u64                     event_offset;
  52        u64                     event_size;
  53        DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
  54};
  55
  56struct perf_evlist;
  57
  58int perf_session__read_header(struct perf_session *session, int fd);
  59int perf_session__write_header(struct perf_session *session,
  60                               struct perf_evlist *evlist,
  61                               int fd, bool at_exit);
  62int perf_header__write_pipe(int fd);
  63
  64int perf_header__push_event(u64 id, const char *name);
  65char *perf_header__find_event(u64 id);
  66
  67u64 perf_evlist__sample_type(struct perf_evlist *evlist);
  68bool perf_evlist__sample_id_all(const struct perf_evlist *evlist);
  69void perf_header__set_feat(struct perf_header *header, int feat);
  70void perf_header__clear_feat(struct perf_header *header, int feat);
  71bool perf_header__has_feat(const struct perf_header *header, int feat);
  72
  73int perf_header__process_sections(struct perf_header *header, int fd,
  74                                  int (*process)(struct perf_file_section *section,
  75                                                 struct perf_header *ph,
  76                                                 int feat, int fd));
  77
  78int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
  79                          const char *name, bool is_kallsyms);
  80int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
  81
  82int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
  83                                perf_event__handler_t process,
  84                                struct perf_session *session);
  85int perf_session__synthesize_attrs(struct perf_session *session,
  86                                   perf_event__handler_t process);
  87int perf_event__process_attr(union perf_event *event, struct perf_session *session);
  88
  89int perf_event__synthesize_event_type(u64 event_id, char *name,
  90                                      perf_event__handler_t process,
  91                                      struct perf_session *session);
  92int perf_event__synthesize_event_types(perf_event__handler_t process,
  93                                       struct perf_session *session);
  94int perf_event__process_event_type(union perf_event *event,
  95                                   struct perf_session *session);
  96
  97int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
  98                                        perf_event__handler_t process,
  99                                        struct perf_session *session);
 100int perf_event__process_tracing_data(union perf_event *event,
 101                                     struct perf_session *session);
 102
 103int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
 104                                    perf_event__handler_t process,
 105                                    struct machine *machine,
 106                                    struct perf_session *session);
 107int perf_event__process_build_id(union perf_event *event,
 108                                 struct perf_session *session);
 109#endif /* __PERF_HEADER_H */
 110