xref: /openbmc/linux/tools/perf/util/thread.h (revision 4800cd83)
1 #ifndef __PERF_THREAD_H
2 #define __PERF_THREAD_H
3 
4 #include <linux/rbtree.h>
5 #include <unistd.h>
6 #include "symbol.h"
7 
8 struct thread {
9 	union {
10 		struct rb_node	 rb_node;
11 		struct list_head node;
12 	};
13 	struct map_groups	mg;
14 	pid_t			pid;
15 	char			shortname[3];
16 	bool			comm_set;
17 	char			*comm;
18 	int			comm_len;
19 };
20 
21 struct thread_map {
22 	int nr;
23 	int map[];
24 };
25 
26 struct perf_session;
27 
28 void thread__delete(struct thread *self);
29 
30 struct thread_map *thread_map__new_by_pid(pid_t pid);
31 struct thread_map *thread_map__new_by_tid(pid_t tid);
32 struct thread_map *thread_map__new(pid_t pid, pid_t tid);
33 
34 static inline void thread_map__delete(struct thread_map *threads)
35 {
36 	free(threads);
37 }
38 
39 int thread__set_comm(struct thread *self, const char *comm);
40 int thread__comm_len(struct thread *self);
41 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
42 void thread__insert_map(struct thread *self, struct map *map);
43 int thread__fork(struct thread *self, struct thread *parent);
44 size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
45 
46 static inline struct map *thread__find_map(struct thread *self,
47 					   enum map_type type, u64 addr)
48 {
49 	return self ? map_groups__find(&self->mg, type, addr) : NULL;
50 }
51 
52 void thread__find_addr_map(struct thread *self,
53 			   struct perf_session *session, u8 cpumode,
54 			   enum map_type type, pid_t pid, u64 addr,
55 			   struct addr_location *al);
56 
57 void thread__find_addr_location(struct thread *self,
58 				struct perf_session *session, u8 cpumode,
59 				enum map_type type, pid_t pid, u64 addr,
60 				struct addr_location *al,
61 				symbol_filter_t filter);
62 #endif	/* __PERF_THREAD_H */
63