xref: /openbmc/linux/tools/perf/util/thread.h (revision 4f3db074)
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 #include <intlist.h>
11 
12 struct thread_stack;
13 
14 struct thread {
15 	union {
16 		struct rb_node	 rb_node;
17 		struct list_head node;
18 	};
19 	struct map_groups	*mg;
20 	pid_t			pid_; /* Not all tools update this */
21 	pid_t			tid;
22 	pid_t			ppid;
23 	int			cpu;
24 	int			refcnt;
25 	char			shortname[3];
26 	bool			comm_set;
27 	bool			dead; /* if set thread has exited */
28 	struct list_head	comm_list;
29 	int			comm_len;
30 	u64			db_id;
31 
32 	void			*priv;
33 	struct thread_stack	*ts;
34 };
35 
36 struct machine;
37 struct comm;
38 
39 struct thread *thread__new(pid_t pid, pid_t tid);
40 int thread__init_map_groups(struct thread *thread, struct machine *machine);
41 void thread__delete(struct thread *thread);
42 
43 struct thread *thread__get(struct thread *thread);
44 void thread__put(struct thread *thread);
45 
46 static inline void __thread__zput(struct thread **thread)
47 {
48 	thread__put(*thread);
49 	*thread = NULL;
50 }
51 
52 #define thread__zput(thread) __thread__zput(&thread)
53 
54 static inline void thread__exited(struct thread *thread)
55 {
56 	thread->dead = true;
57 }
58 
59 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
60 		       bool exec);
61 static inline int thread__set_comm(struct thread *thread, const char *comm,
62 				   u64 timestamp)
63 {
64 	return __thread__set_comm(thread, comm, timestamp, false);
65 }
66 
67 int thread__comm_len(struct thread *thread);
68 struct comm *thread__comm(const struct thread *thread);
69 struct comm *thread__exec_comm(const struct thread *thread);
70 const char *thread__comm_str(const struct thread *thread);
71 void thread__insert_map(struct thread *thread, struct map *map);
72 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
73 size_t thread__fprintf(struct thread *thread, FILE *fp);
74 
75 void thread__find_addr_map(struct thread *thread,
76 			   u8 cpumode, enum map_type type, u64 addr,
77 			   struct addr_location *al);
78 
79 void thread__find_addr_location(struct thread *thread,
80 				u8 cpumode, enum map_type type, u64 addr,
81 				struct addr_location *al);
82 
83 void thread__find_cpumode_addr_location(struct thread *thread,
84 					enum map_type type, u64 addr,
85 					struct addr_location *al);
86 
87 static inline void *thread__priv(struct thread *thread)
88 {
89 	return thread->priv;
90 }
91 
92 static inline void thread__set_priv(struct thread *thread, void *p)
93 {
94 	thread->priv = p;
95 }
96 
97 static inline bool thread__is_filtered(struct thread *thread)
98 {
99 	if (symbol_conf.comm_list &&
100 	    !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
101 		return true;
102 	}
103 
104 	if (symbol_conf.pid_list &&
105 	    !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
106 		return true;
107 	}
108 
109 	if (symbol_conf.tid_list &&
110 	    !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
111 		return true;
112 	}
113 
114 	return false;
115 }
116 
117 #endif	/* __PERF_THREAD_H */
118