LXR linux/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
  12struct pollfd;
  13struct thread_map;
  14struct cpu_map;
  15struct perf_record_opts;
  16
  17#define PERF_EVLIST__HLIST_BITS 8
  18#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
  19
  20struct 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
  40struct perf_evsel_str_handler {
  41        const char *name;
  42        void       *handler;
  43};
  44
  45struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
  46                                     struct thread_map *threads);
  47void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
  48                       struct thread_map *threads);
  49void perf_evlist__exit(struct perf_evlist *evlist);
  50void perf_evlist__delete(struct perf_evlist *evlist);
  51
  52void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
  53int perf_evlist__add_default(struct perf_evlist *evlist);
  54int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
  55                                     struct perf_event_attr *attrs, size_t nr_attrs);
  56
  57#define perf_evlist__add_default_attrs(evlist, array) \
  58        __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
  59
  60int perf_evlist__add_newtp(struct perf_evlist *evlist,
  61                           const char *sys, const char *name, void *handler);
  62
  63int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
  64
  65struct perf_evsel *
  66perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
  67
  68void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
  69                         int cpu, int thread, u64 id);
  70
  71void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
  72
  73struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
  74
  75union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
  76
  77int perf_evlist__open(struct perf_evlist *evlist);
  78
  79void perf_evlist__config_attrs(struct perf_evlist *evlist,
  80                               struct perf_record_opts *opts);
  81
  82int perf_evlist__prepare_workload(struct perf_evlist *evlist,
  83                                  struct perf_record_opts *opts,
  84                                  const char *argv[]);
  85int perf_evlist__start_workload(struct perf_evlist *evlist);
  86
  87int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
  88                      bool overwrite);
  89void perf_evlist__munmap(struct perf_evlist *evlist);
  90
  91void perf_evlist__disable(struct perf_evlist *evlist);
  92void perf_evlist__enable(struct perf_evlist *evlist);
  93
  94void perf_evlist__set_selected(struct perf_evlist *evlist,
  95                               struct perf_evsel *evsel);
  96
  97static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
  98                                         struct cpu_map *cpus,
  99                                         struct thread_map *threads)
 100{
 101        evlist->cpus    = cpus;
 102        evlist->threads = threads;
 103}
 104
 105int perf_evlist__create_maps(struct perf_evlist *evlist,
 106                             struct perf_target *target);
 107void perf_evlist__delete_maps(struct perf_evlist *evlist);
 108int perf_evlist__apply_filters(struct perf_evlist *evlist);
 109
 110void __perf_evlist__set_leader(struct list_head *list);
 111void perf_evlist__set_leader(struct perf_evlist *evlist);
 112
 113u64 perf_evlist__sample_type(struct perf_evlist *evlist);
 114bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
 115u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
 116
 117int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
 118                              struct perf_sample *sample);
 119
 120bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
 121bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
 122
 123void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
 124                                   struct list_head *list,
 125                                   int nr_entries);
 126
 127static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
 128{
 129        return list_entry(evlist->entries.next, struct perf_evsel, node);
 130}
 131
 132static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
 133{
 134        return list_entry(evlist->entries.prev, struct perf_evsel, node);
 135}
 136
 137size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
 138#endif /* __PERF_EVLIST_H */
 139