xref: /openbmc/linux/tools/perf/util/thread.h (revision 275876e2)
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 	int			cpu;
21 	char			shortname[3];
22 	bool			comm_set;
23 	bool			dead; /* if set thread has exited */
24 	struct list_head	comm_list;
25 	int			comm_len;
26 
27 	void			*priv;
28 };
29 
30 struct machine;
31 struct comm;
32 
33 struct thread *thread__new(pid_t pid, pid_t tid);
34 int thread__init_map_groups(struct thread *thread, struct machine *machine);
35 void thread__delete(struct thread *thread);
36 static inline void thread__exited(struct thread *thread)
37 {
38 	thread->dead = true;
39 }
40 
41 int thread__set_comm(struct thread *thread, const char *comm, u64 timestamp);
42 int thread__comm_len(struct thread *thread);
43 struct comm *thread__comm(const struct thread *thread);
44 const char *thread__comm_str(const struct thread *thread);
45 void thread__insert_map(struct thread *thread, struct map *map);
46 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
47 size_t thread__fprintf(struct thread *thread, FILE *fp);
48 
49 void thread__find_addr_map(struct thread *thread, struct machine *machine,
50 			   u8 cpumode, enum map_type type, u64 addr,
51 			   struct addr_location *al);
52 
53 void thread__find_addr_location(struct thread *thread, struct machine *machine,
54 				u8 cpumode, enum map_type type, u64 addr,
55 				struct addr_location *al);
56 
57 void thread__find_cpumode_addr_location(struct thread *thread,
58 					struct machine *machine,
59 					enum map_type type, u64 addr,
60 					struct addr_location *al);
61 
62 static inline void *thread__priv(struct thread *thread)
63 {
64 	return thread->priv;
65 }
66 
67 static inline void thread__set_priv(struct thread *thread, void *p)
68 {
69 	thread->priv = p;
70 }
71 
72 static inline bool thread__is_filtered(struct thread *thread)
73 {
74 	if (symbol_conf.comm_list &&
75 	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
76 		return true;
77 	}
78 
79 	return false;
80 }
81 
82 #endif	/* __PERF_THREAD_H */
83