141 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __LIBPERF_INTERNAL_EVLIST_H3#define __LIBPERF_INTERNAL_EVLIST_H4 5#include <linux/list.h>6#include <api/fd/array.h>7#include <internal/cpumap.h>8#include <internal/evsel.h>9 10#define PERF_EVLIST__HLIST_BITS 811#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)12 13struct perf_cpu_map;14struct perf_thread_map;15struct perf_mmap_param;16 17struct perf_evlist {18 struct list_head entries;19 int nr_entries;20 bool has_user_cpus;21 bool needs_map_propagation;22 /**23 * The cpus passed from the command line or all online CPUs by24 * default.25 */26 struct perf_cpu_map *user_requested_cpus;27 /** The union of all evsel cpu maps. */28 struct perf_cpu_map *all_cpus;29 struct perf_thread_map *threads;30 int nr_mmaps;31 size_t mmap_len;32 struct fdarray pollfd;33 struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];34 struct perf_mmap *mmap;35 struct perf_mmap *mmap_ovw;36 struct perf_mmap *mmap_first;37 struct perf_mmap *mmap_ovw_first;38};39 40typedef void41(*perf_evlist_mmap__cb_idx_t)(struct perf_evlist*, struct perf_evsel*,42 struct perf_mmap_param*, int);43typedef struct perf_mmap*44(*perf_evlist_mmap__cb_get_t)(struct perf_evlist*, bool, int);45typedef int46(*perf_evlist_mmap__cb_mmap_t)(struct perf_mmap*, struct perf_mmap_param*, int, struct perf_cpu);47 48struct perf_evlist_mmap_ops {49 perf_evlist_mmap__cb_idx_t idx;50 perf_evlist_mmap__cb_get_t get;51 perf_evlist_mmap__cb_mmap_t mmap;52};53 54int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);55int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,56 void *ptr, short revent, enum fdarray_flags flags);57 58int perf_evlist__mmap_ops(struct perf_evlist *evlist,59 struct perf_evlist_mmap_ops *ops,60 struct perf_mmap_param *mp);61 62void perf_evlist__init(struct perf_evlist *evlist);63void perf_evlist__exit(struct perf_evlist *evlist);64 65/**66 * __perf_evlist__for_each_entry - iterate thru all the evsels67 * @list: list_head instance to iterate68 * @evsel: struct perf_evsel iterator69 */70#define __perf_evlist__for_each_entry(list, evsel) \71 list_for_each_entry(evsel, list, node)72 73/**74 * evlist__for_each_entry - iterate thru all the evsels75 * @evlist: perf_evlist instance to iterate76 * @evsel: struct perf_evsel iterator77 */78#define perf_evlist__for_each_entry(evlist, evsel) \79 __perf_evlist__for_each_entry(&(evlist)->entries, evsel)80 81/**82 * __perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order83 * @list: list_head instance to iterate84 * @evsel: struct evsel iterator85 */86#define __perf_evlist__for_each_entry_reverse(list, evsel) \87 list_for_each_entry_reverse(evsel, list, node)88 89/**90 * perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order91 * @evlist: evlist instance to iterate92 * @evsel: struct evsel iterator93 */94#define perf_evlist__for_each_entry_reverse(evlist, evsel) \95 __perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel)96 97/**98 * __perf_evlist__for_each_entry_safe - safely iterate thru all the evsels99 * @list: list_head instance to iterate100 * @tmp: struct evsel temp iterator101 * @evsel: struct evsel iterator102 */103#define __perf_evlist__for_each_entry_safe(list, tmp, evsel) \104 list_for_each_entry_safe(evsel, tmp, list, node)105 106/**107 * perf_evlist__for_each_entry_safe - safely iterate thru all the evsels108 * @evlist: evlist instance to iterate109 * @evsel: struct evsel iterator110 * @tmp: struct evsel temp iterator111 */112#define perf_evlist__for_each_entry_safe(evlist, tmp, evsel) \113 __perf_evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)114 115static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)116{117 return list_entry(evlist->entries.next, struct perf_evsel, node);118}119 120static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)121{122 return list_entry(evlist->entries.prev, struct perf_evsel, node);123}124 125u64 perf_evlist__read_format(struct perf_evlist *evlist);126 127void perf_evlist__id_add(struct perf_evlist *evlist,128 struct perf_evsel *evsel,129 int cpu_map_idx, int thread, u64 id);130 131int perf_evlist__id_add_fd(struct perf_evlist *evlist,132 struct perf_evsel *evsel,133 int cpu_map_idx, int thread, int fd);134 135void perf_evlist__reset_id_hash(struct perf_evlist *evlist);136 137void __perf_evlist__set_leader(struct list_head *list, struct perf_evsel *leader);138 139void perf_evlist__go_system_wide(struct perf_evlist *evlist, struct perf_evsel *evsel);140#endif /* __LIBPERF_INTERNAL_EVLIST_H */141