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
  10 struct pollfd;
  11 struct thread_map;
  12 struct cpu_map;
  13 struct perf_record_opts;
  14
  15 #define PERF_EVLIST__HLIST_BITS 8
  16 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
  17
  18 struct perf_evlist {
  19         struct list_head entries;
  20         struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
  21         int              nr_entries;
  22         int              nr_fds;
  23         int              nr_mmaps;
  24         int              mmap_len;
  25         bool             overwrite;
  26         union perf_event event_copy;
  27         struct perf_mmap *mmap;
  28         struct pollfd    *pollfd;
  29         struct thread_map *threads;
  30         struct cpu_map    *cpus;
  31         struct perf_evsel *selected;
  32 };
  33
  34 struct perf_evsel;
  35
  36 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
  37                                      struct thread_map *threads);
  38 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
  39                        struct thread_map *threads);
  40 void perf_evlist__exit(struct perf_evlist *evlist);
  41 void perf_evlist__delete(struct perf_evlist *evlist);
  42
  43 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
  44 int perf_evlist__add_default(struct perf_evlist *evlist);
  45 int perf_evlist__add_attrs(struct perf_evlist *evlist,
  46                            struct perf_event_attr *attrs, size_t nr_attrs);
  47 int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
  48                                  const char *tracepoints[], size_t nr_tracepoints);
  49
  50 #define perf_evlist__add_attrs_array(evlist, array) \
  51         perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
  52
  53 #define perf_evlist__add_tracepoints_array(evlist, array) \
  54         perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
  55
  56 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
  57                          int cpu, int thread, u64 id);
  58
  59 int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
  60 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
  61
  62 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
  63
  64 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
  65
  66 int perf_evlist__open(struct perf_evlist *evlist, bool group);
  67
  68 void perf_evlist__config_attrs(struct perf_evlist *evlist,
  69                                struct perf_record_opts *opts);
  70
  71 int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
  72 int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
  73 void perf_evlist__munmap(struct perf_evlist *evlist);
  74
  75 void perf_evlist__disable(struct perf_evlist *evlist);
  76 void perf_evlist__enable(struct perf_evlist *evlist);
  77
  78 void perf_evlist__set_selected(struct perf_evlist *evlist,
  79                                struct perf_evsel *evsel);
  80
  81 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
  82                                          struct cpu_map *cpus,
  83                                          struct thread_map *threads)
  84 {
  85         evlist->cpus    = cpus;
  86         evlist->threads = threads;
  87 }
  88
  89 int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
  90                              pid_t target_tid, const char *cpu_list);
  91 void perf_evlist__delete_maps(struct perf_evlist *evlist);
  92 int perf_evlist__set_filters(struct perf_evlist *evlist);
  93
  94 u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
  95 bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
  96
  97 bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
  98 bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
  99 #endif /* __PERF_EVLIST_H */