xref: /openbmc/linux/tools/perf/util/thread.h (revision b34e08d5)
1 #ifndef __PERF_THREAD_H
2 #define __PERF_THREAD_H
3 
4 #include <linux/rbtree.h>
5 #include <linux/list.h>
6 #include <unistd.h>
7 #include <sys/types.h>
8 #include "symbol.h"
9 #include <strlist.h>
10 
11 struct thread {
12 	union {
13 		struct rb_node	 rb_node;
14 		struct list_head node;
15 	};
16 	struct map_groups	mg;
17 	pid_t			pid_; /* Not all tools update this */
18 	pid_t			tid;
19 	pid_t			ppid;
20 	char			shortname[3];
21 	bool			comm_set;
22 	bool			dead; /* if set thread has exited */
23 	struct list_head	comm_list;
24 	int			comm_len;
25 
26 	void			*priv;
27 };
28 
29 struct machine;
30 struct comm;
31 
32 struct thread *thread__new(pid_t pid, pid_t tid);
33 void thread__delete(struct thread *thread);
34 static inline void thread__exited(struct thread *thread)
35 {
36 	thread->dead = true;
37 }
38 
39 int thread__set_comm(struct thread *thread, const char *comm, u64 timestamp);
40 int thread__comm_len(struct thread *thread);
41 struct comm *thread__comm(const struct thread *thread);
42 const char *thread__comm_str(const struct thread *thread);
43 void thread__insert_map(struct thread *thread, struct map *map);
44 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
45 size_t thread__fprintf(struct thread *thread, FILE *fp);
46 
47 void thread__find_addr_map(struct thread *thread, struct machine *machine,
48 			   u8 cpumode, enum map_type type, u64 addr,
49 			   struct addr_location *al);
50 
51 void thread__find_addr_location(struct thread *thread, struct machine *machine,
52 				u8 cpumode, enum map_type type, u64 addr,
53 				struct addr_location *al);
54 
55 void thread__find_cpumode_addr_location(struct thread *thread,
56 					struct machine *machine,
57 					enum map_type type, u64 addr,
58 					struct addr_location *al);
59 
60 static inline void *thread__priv(struct thread *thread)
61 {
62 	return thread->priv;
63 }
64 
65 static inline void thread__set_priv(struct thread *thread, void *p)
66 {
67 	thread->priv = p;
68 }
69 
70 static inline bool thread__is_filtered(struct thread *thread)
71 {
72 	if (symbol_conf.comm_list &&
73 	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
74 		return true;
75 	}
76 
77 	return false;
78 }
79 
80 #endif	/* __PERF_THREAD_H */
81