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/
evlist.h
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/
evlist.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_INTERNAL_EVLIST_H
#define __LIBPERF_INTERNAL_EVLIST_H
#include <linux/list.h>
#include <api/fd/array.h>
#include <internal/cpumap.h>
#include <internal/evsel.h>
#define PERF_EVLIST__HLIST_BITS 8
#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
struct perf_cpu_map;
struct perf_thread_map;
struct perf_mmap_param;
struct perf_evlist {
struct list_head entries;
int nr_entries;
bool has_user_cpus;
bool needs_map_propagation;
/**
* The cpus passed from the command line or all online CPUs by
* default.
*/
struct perf_cpu_map *user_requested_cpus;
/** The union of all evsel cpu maps. */
struct perf_cpu_map *all_cpus;
struct perf_thread_map *threads;
int nr_mmaps;
size_t mmap_len;
struct fdarray pollfd;
struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
struct perf_mmap *mmap;
struct perf_mmap *mmap_ovw;
struct perf_mmap *mmap_first;
struct perf_mmap *mmap_ovw_first;
};
typedef void
(*perf_evlist_mmap__cb_idx_t)(struct perf_evlist*, struct perf_evsel*,
struct perf_mmap_param*, int);
typedef struct perf_mmap*
(*perf_evlist_mmap__cb_get_t)(struct perf_evlist*, bool, int);
typedef int
(*perf_evlist_mmap__cb_mmap_t)(struct perf_mmap*, struct perf_mmap_param*, int, struct perf_cpu);
struct perf_evlist_mmap_ops {
perf_evlist_mmap__cb_idx_t idx;
perf_evlist_mmap__cb_get_t get;
perf_evlist_mmap__cb_mmap_t mmap;
};
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
void *ptr, short revent, enum fdarray_flags flags);
int perf_evlist__mmap_ops(struct perf_evlist *evlist,
struct perf_evlist_mmap_ops *ops,
struct perf_mmap_param *mp);
void perf_evlist__init(struct perf_evlist *evlist);
void perf_evlist__exit(struct perf_evlist *evlist);
/**
* __perf_evlist__for_each_entry - iterate thru all the evsels
* @list: list_head instance to iterate
* @evsel: struct perf_evsel iterator
*/
#define __perf_evlist__for_each_entry(list, evsel) \
list_for_each_entry(evsel, list, node)
/**
* evlist__for_each_entry - iterate thru all the evsels
* @evlist: perf_evlist instance to iterate
* @evsel: struct perf_evsel iterator
*/
#define perf_evlist__for_each_entry(evlist, evsel) \
__perf_evlist__for_each_entry(&(evlist)->entries, evsel)
/**
* __perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
* @list: list_head instance to iterate
* @evsel: struct evsel iterator
*/
#define __perf_evlist__for_each_entry_reverse(list, evsel) \
list_for_each_entry_reverse(evsel, list, node)
/**
* perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
* @evlist: evlist instance to iterate
* @evsel: struct evsel iterator
*/
#define perf_evlist__for_each_entry_reverse(evlist, evsel) \
__perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
/**
* __perf_evlist__for_each_entry_safe - safely iterate thru all the evsels
* @list: list_head instance to iterate
* @tmp: struct evsel temp iterator
* @evsel: struct evsel iterator
*/
#define __perf_evlist__for_each_entry_safe(list, tmp, evsel) \
list_for_each_entry_safe(evsel, tmp, list, node)
/**
* perf_evlist__for_each_entry_safe - safely iterate thru all the evsels
* @evlist: evlist instance to iterate
* @evsel: struct evsel iterator
* @tmp: struct evsel temp iterator
*/
#define perf_evlist__for_each_entry_safe(evlist, tmp, evsel) \
__perf_evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)
static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
{
return list_entry(evlist->entries.next, struct perf_evsel, node);
}
static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
{
return list_entry(evlist->entries.prev, struct perf_evsel, node);
}
u64 perf_evlist__read_format(struct perf_evlist *evlist);
void perf_evlist__id_add(struct perf_evlist *evlist,
struct perf_evsel *evsel,
int cpu_map_idx, int thread, u64 id);
int perf_evlist__id_add_fd(struct perf_evlist *evlist,
struct perf_evsel *evsel,
int cpu_map_idx, int thread, int fd);
void perf_evlist__reset_id_hash(struct perf_evlist *evlist);
void __perf_evlist__set_leader(struct list_head *list, struct perf_evsel *leader);
void perf_evlist__go_system_wide(struct perf_evlist *evlist, struct perf_evsel *evsel);
#endif /* __LIBPERF_INTERNAL_EVLIST_H */