xref: /linux/tools/perf/util/thread.h (revision e0bf6c5ca2d3281f231c5f0c9bf145e9513644de)
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_stack;
12 
13 struct thread {
14 	union {
15 		struct rb_node	 rb_node;
16 		struct list_head node;
17 	};
18 	struct map_groups	*mg;
19 	pid_t			pid_; /* Not all tools update this */
20 	pid_t			tid;
21 	pid_t			ppid;
22 	int			cpu;
23 	char			shortname[3];
24 	bool			comm_set;
25 	bool			dead; /* if set thread has exited */
26 	struct list_head	comm_list;
27 	int			comm_len;
28 	u64			db_id;
29 
30 	void			*priv;
31 	struct thread_stack	*ts;
32 };
33 
34 struct machine;
35 struct comm;
36 
37 struct thread *thread__new(pid_t pid, pid_t tid);
38 int thread__init_map_groups(struct thread *thread, struct machine *machine);
39 void thread__delete(struct thread *thread);
40 static inline void thread__exited(struct thread *thread)
41 {
42 	thread->dead = true;
43 }
44 
45 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
46 		       bool exec);
47 static inline int thread__set_comm(struct thread *thread, const char *comm,
48 				   u64 timestamp)
49 {
50 	return __thread__set_comm(thread, comm, timestamp, false);
51 }
52 
53 int thread__comm_len(struct thread *thread);
54 struct comm *thread__comm(const struct thread *thread);
55 struct comm *thread__exec_comm(const struct thread *thread);
56 const char *thread__comm_str(const struct thread *thread);
57 void thread__insert_map(struct thread *thread, struct map *map);
58 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
59 size_t thread__fprintf(struct thread *thread, FILE *fp);
60 
61 void thread__find_addr_map(struct thread *thread,
62 			   u8 cpumode, enum map_type type, u64 addr,
63 			   struct addr_location *al);
64 
65 void thread__find_addr_location(struct thread *thread,
66 				u8 cpumode, enum map_type type, u64 addr,
67 				struct addr_location *al);
68 
69 void thread__find_cpumode_addr_location(struct thread *thread,
70 					enum map_type type, u64 addr,
71 					struct addr_location *al);
72 
73 static inline void *thread__priv(struct thread *thread)
74 {
75 	return thread->priv;
76 }
77 
78 static inline void thread__set_priv(struct thread *thread, void *p)
79 {
80 	thread->priv = p;
81 }
82 
83 static inline bool thread__is_filtered(struct thread *thread)
84 {
85 	if (symbol_conf.comm_list &&
86 	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
87 		return true;
88 	}
89 
90 	return false;
91 }
92 
93 #endif	/* __PERF_THREAD_H */
94