cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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evlist.h (4344B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __LIBPERF_INTERNAL_EVLIST_H
      3#define __LIBPERF_INTERNAL_EVLIST_H
      4
      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 8
     11#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	int			 nr_groups;
     21	bool			 has_user_cpus;
     22	/**
     23	 * The cpus passed from the command line or all online CPUs by
     24	 * 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 void
     41(*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 int
     46(*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 evsels
     67 * @list: list_head instance to iterate
     68 * @evsel: struct perf_evsel iterator
     69 */
     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 evsels
     75 * @evlist: perf_evlist instance to iterate
     76 * @evsel: struct perf_evsel iterator
     77 */
     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 order
     83 * @list: list_head instance to iterate
     84 * @evsel: struct evsel iterator
     85 */
     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 order
     91 * @evlist: evlist instance to iterate
     92 * @evsel: struct evsel iterator
     93 */
     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 evsels
     99 * @list: list_head instance to iterate
    100 * @tmp: struct evsel temp iterator
    101 * @evsel: struct evsel iterator
    102 */
    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 evsels
    108 * @evlist: evlist instance to iterate
    109 * @evsel: struct evsel iterator
    110 * @tmp: struct evsel temp iterator
    111 */
    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, int thread, u64 id);
    130
    131int perf_evlist__id_add_fd(struct perf_evlist *evlist,
    132			   struct perf_evsel *evsel,
    133			   int cpu, 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#endif /* __LIBPERF_INTERNAL_EVLIST_H */