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