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 "evsel.h"
   9 #include "util.h"
  10 #include <unistd.h>
  11
  12 struct pollfd;
  13 struct thread_map;
  14 struct cpu_map;
  15 struct perf_record_opts;
  16
  17 #define PERF_EVLIST__HLIST_BITS 8
  18 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
  19
  20 struct perf_evlist {
  21         struct list_head entries;
  22         struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
  23         int              nr_entries;
  24         int              nr_fds;
  25         int              nr_mmaps;
  26         int              mmap_len;
  27         struct {
  28                 int     cork_fd;
  29                 pid_t   pid;
  30         } workload;
  31         bool             overwrite;
  32         union perf_event event_copy;
  33         struct perf_mmap *mmap;
  34         struct pollfd    *pollfd;
  35         struct thread_map *threads;
  36         struct cpu_map    *cpus;
  37         struct perf_evsel *selected;
  38 };
  39
  40 struct perf_evsel_str_handler {
  41         const char *name;
  42         void       *handler;
  43 };
  44
  45 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
  46                                      struct thread_map *threads);
  47 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
  48                        struct thread_map *threads);
  49 void perf_evlist__exit(struct perf_evlist *evlist);
  50 void perf_evlist__delete(struct perf_evlist *evlist);
  51
  52 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
  53 int perf_evlist__add_default(struct perf_evlist *evlist);
  54 int perf_evlist__add_attrs(struct perf_evlist *evlist,
  55                            struct perf_event_attr *attrs, size_t nr_attrs);
  56 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
  57                                      struct perf_event_attr *attrs, size_t nr_attrs);
  58 int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
  59                                  const char *tracepoints[], size_t nr_tracepoints);
  60 int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
  61                                           const struct perf_evsel_str_handler *assocs,
  62                                           size_t nr_assocs);
  63
  64 #define perf_evlist__add_attrs_array(evlist, array) \
  65         perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
  66 #define perf_evlist__add_default_attrs(evlist, array) \
  67         __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
  68
  69 #define perf_evlist__add_tracepoints_array(evlist, array) \
  70         perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
  71
  72 #define perf_evlist__set_tracepoints_handlers_array(evlist, array) \
  73         perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
  74
  75 struct perf_evsel *
  76 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
  77
  78 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
  79                          int cpu, int thread, u64 id);
  80
  81 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
  82
  83 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
  84
  85 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
  86
  87 int perf_evlist__open(struct perf_evlist *evlist);
  88
  89 void perf_evlist__config_attrs(struct perf_evlist *evlist,
  90                                struct perf_record_opts *opts);
  91
  92 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
  93                                   struct perf_record_opts *opts,
  94                                   const char *argv[]);
  95 int perf_evlist__start_workload(struct perf_evlist *evlist);
  96
  97 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
  98                       bool overwrite);
  99 void perf_evlist__munmap(struct perf_evlist *evlist);
 100
 101 void perf_evlist__disable(struct perf_evlist *evlist);
 102 void perf_evlist__enable(struct perf_evlist *evlist);
 103
 104 void perf_evlist__set_selected(struct perf_evlist *evlist,
 105                                struct perf_evsel *evsel);
 106
 107 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
 108                                          struct cpu_map *cpus,
 109                                          struct thread_map *threads)
 110 {
 111         evlist->cpus    = cpus;
 112         evlist->threads = threads;
 113 }
 114
 115 int perf_evlist__create_maps(struct perf_evlist *evlist,
 116                              struct perf_target *target);
 117 void perf_evlist__delete_maps(struct perf_evlist *evlist);
 118 int perf_evlist__set_filters(struct perf_evlist *evlist);
 119
 120 void __perf_evlist__set_leader(struct list_head *list);
 121 void perf_evlist__set_leader(struct perf_evlist *evlist);
 122
 123 u64 perf_evlist__sample_type(struct perf_evlist *evlist);
 124 bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
 125 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
 126
 127 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
 128                               struct perf_sample *sample, bool swapped);
 129
 130 bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
 131 bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
 132
 133 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
 134                                    struct list_head *list,
 135                                    int nr_entries);
 136
 137 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
 138 {
 139         return list_entry(evlist->entries.next, struct perf_evsel, node);
 140 }
 141
 142 static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
 143 {
 144         return list_entry(evlist->entries.prev, struct perf_evsel, node);
 145 }
 146
 147 size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
 148 #endif /* __PERF_EVLIST_H */