tools/perf/util/evlist.h

   1 #ifndef __PERF_EVLIST_H
   2 #define __PERF_EVLIST_H 1
   3
   4 #include <linux/list.h>
   5 #include "../perf.h"
   6 #include "event.h"
   7
   8 struct pollfd;
   9
  10 #define PERF_EVLIST__HLIST_BITS 8
  11 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
  12
  13 struct perf_evlist {
  14         struct list_head entries;
  15         struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
  16         int              nr_entries;
  17         int              nr_fds;
  18         int              mmap_len;
  19         bool             overwrite;
  20         event_t          event_copy;
  21         struct perf_mmap *mmap;
  22         struct pollfd    *pollfd;
  23 };
  24
  25 struct perf_evsel;
  26
  27 struct perf_evlist *perf_evlist__new(void);
  28 void perf_evlist__init(struct perf_evlist *evlist);
  29 void perf_evlist__exit(struct perf_evlist *evlist);
  30 void perf_evlist__delete(struct perf_evlist *evlist);
  31
  32 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
  33 int perf_evlist__add_default(struct perf_evlist *evlist);
  34
  35 int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads);
  36 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
  37
  38 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
  39
  40 event_t *perf_evlist__read_on_cpu(struct perf_evlist *self, int cpu);
  41
  42 #endif /* __PERF_EVLIST_H */