tools/perf/util/evlist.h

   1 #ifndef __PERF_EVLIST_H
   2 #define __PERF_EVLIST_H 1
   3
   4 #include <linux/list.h>
   5 #include <stdio.h>
   6 #include "../perf.h"
   7 #include "event.h"
   8 #include "util.h"
   9 #include <unistd.h>
  10
  11 struct pollfd;
  12 struct thread_map;
  13 struct cpu_map;
  14 struct perf_record_opts;
  15
  16 #define PERF_EVLIST__HLIST_BITS 8
  17 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
  18
  19 struct perf_evlist {
  20         struct list_head entries;
  21         struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
  22         int              nr_entries;
  23         int              nr_fds;
  24         int              nr_mmaps;
  25         int              mmap_len;
  26         struct {
  27                 int     cork_fd;
  28                 pid_t   pid;
  29         } workload;
  30         bool             overwrite;
  31         union perf_event event_copy;
  32         struct perf_mmap *mmap;
  33         struct pollfd    *pollfd;
  34         struct thread_map *threads;
  35         struct cpu_map    *cpus;
  36         struct perf_evsel *selected;
  37 };
  38
  39 struct perf_evsel_str_handler {
  40         const char *name;
  41         void       *handler;
  42 };
  43
  44 struct perf_evsel;
  45
  46 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
  47                                      struct thread_map *threads);
  48 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
  49                        struct thread_map *threads);
  50 void perf_evlist__exit(struct perf_evlist *evlist);
  51 void perf_evlist__delete(struct perf_evlist *evlist);
  52
  53 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
  54 int perf_evlist__add_default(struct perf_evlist *evlist);
  55 int perf_evlist__add_attrs(struct perf_evlist *evlist,
  56                            struct perf_event_attr *attrs, size_t nr_attrs);
  57 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
  58                                      struct perf_event_attr *attrs, size_t nr_attrs);
  59 int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
  60                                  const char *tracepoints[], size_t nr_tracepoints);
  61 int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
  62                                           const struct perf_evsel_str_handler *assocs,
  63                                           size_t nr_assocs);
  64
  65 #define perf_evlist__add_attrs_array(evlist, array) \
  66         perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
  67 #define perf_evlist__add_default_attrs(evlist, array) \
  68         __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
  69
  70 #define perf_evlist__add_tracepoints_array(evlist, array) \
  71         perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
  72
  73 #define perf_evlist__set_tracepoints_handlers_array(evlist, array) \
  74         perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
  75
  76 struct perf_evsel *
  77 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
  78
  79 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
  80                          int cpu, int thread, u64 id);
  81
  82 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
  83
  84 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
  85
  86 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
  87
  88 int perf_evlist__open(struct perf_evlist *evlist, bool group);
  89
  90 void perf_evlist__config_attrs(struct perf_evlist *evlist,
  91                                struct perf_record_opts *opts);
  92
  93 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
  94                                   struct perf_record_opts *opts,
  95                                   const char *argv[]);
  96 int perf_evlist__start_workload(struct perf_evlist *evlist);
  97
  98 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
  99                       bool overwrite);
 100 void perf_evlist__munmap(struct perf_evlist *evlist);
 101
 102 void perf_evlist__disable(struct perf_evlist *evlist);
 103 void perf_evlist__enable(struct perf_evlist *evlist);
 104
 105 void perf_evlist__set_selected(struct perf_evlist *evlist,
 106                                struct perf_evsel *evsel);
 107
 108 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
 109                                          struct cpu_map *cpus,
 110                                          struct thread_map *threads)
 111 {
 112         evlist->cpus    = cpus;
 113         evlist->threads = threads;
 114 }
 115
 116 int perf_evlist__create_maps(struct perf_evlist *evlist,
 117                              struct perf_target *target);
 118 void perf_evlist__delete_maps(struct perf_evlist *evlist);
 119 int perf_evlist__set_filters(struct perf_evlist *evlist);
 120
 121 u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
 122 bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
 123 u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist);
 124
 125 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
 126                               struct perf_sample *sample, bool swapped);
 127
 128 bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
 129 bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
 130
 131 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
 132                                    struct list_head *list,
 133                                    int nr_entries);
 134
 135 #endif /* __PERF_EVLIST_H */