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93bb5b0d IR |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __PERF_THREADS_H | |
3 | #define __PERF_THREADS_H | |
4 | ||
412a2ff4 | 5 | #include "hashmap.h" |
93bb5b0d IR |
6 | #include "rwsem.h" |
7 | ||
8 | struct thread; | |
9 | ||
7bfc84b2 | 10 | #define THREADS__TABLE_BITS 3 |
93bb5b0d IR |
11 | #define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS) |
12 | ||
13 | struct threads_table_entry { | |
412a2ff4 IR |
14 | /* Key is tid, value is struct thread. */ |
15 | struct hashmap shard; | |
93bb5b0d | 16 | struct rw_semaphore lock; |
93bb5b0d IR |
17 | struct thread *last_match; |
18 | }; | |
19 | ||
20 | struct threads { | |
21 | struct threads_table_entry table[THREADS__TABLE_SIZE]; | |
22 | }; | |
23 | ||
24 | void threads__init(struct threads *threads); | |
25 | void threads__exit(struct threads *threads); | |
26 | size_t threads__nr(struct threads *threads); | |
27 | struct thread *threads__find(struct threads *threads, pid_t tid); | |
28 | struct thread *threads__findnew(struct threads *threads, pid_t pid, pid_t tid, bool *created); | |
29 | void threads__remove_all_threads(struct threads *threads); | |
30 | void threads__remove(struct threads *threads, struct thread *thread); | |
31 | int threads__for_each_thread(struct threads *threads, | |
32 | int (*fn)(struct thread *thread, void *data), | |
33 | void *data); | |
34 | ||
35 | #endif /* __PERF_THREADS_H */ |