1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_THREAD_H
3 #define __PERF_THREAD_H
4
5 #include <linux/refcount.h>
6 #include <linux/rbtree.h>
7 #include <linux/list.h>
8 #include <stdio.h>
9 #include <unistd.h>
10 #include <sys/types.h>
11 #include "srccode.h"
12 #include "symbol_conf.h"
13 #include <strlist.h>
14 #include <intlist.h>
15 #include "rwsem.h"
16
17 struct addr_location;
18 struct map;
19 struct perf_record_namespaces;
20 struct thread_stack;
21 struct unwind_libunwind_ops;
22
23 struct thread {
24 union {
25 struct rb_node rb_node;
26 struct list_head node;
27 };
28 struct map_groups *mg;
29 pid_t pid_; /* Not all tools update this */
30 pid_t tid;
31 pid_t ppid;
32 int cpu;
33 refcount_t refcnt;
34 bool comm_set;
35 int comm_len;
36 bool dead; /* if set thread has exited */
37 struct list_head namespaces_list;
38 struct rw_semaphore namespaces_lock;
39 struct list_head comm_list;
40 struct rw_semaphore comm_lock;
41 u64 db_id;
42
43 void *priv;
44 struct thread_stack *ts;
45 struct nsinfo *nsinfo;
46 struct srccode_state srccode_state;
47 bool filter;
48 int filter_entry_depth;
49 };
50
51 struct machine;
52 struct namespaces;
53 struct comm;
54
55 struct thread *thread__new(pid_t pid, pid_t tid);
56 int thread__init_map_groups(struct thread *thread, struct machine *machine);
57 void thread__delete(struct thread *thread);
58
59 struct thread *thread__get(struct thread *thread);
60 void thread__put(struct thread *thread);
61
__thread__zput(struct thread ** thread)62 static inline void __thread__zput(struct thread **thread)
63 {
64 thread__put(*thread);
65 *thread = NULL;
66 }
67
68 #define thread__zput(thread) __thread__zput(&thread)
69
thread__exited(struct thread * thread)70 static inline void thread__exited(struct thread *thread)
71 {
72 thread->dead = true;
73 }
74
75 struct namespaces *thread__namespaces(struct thread *thread);
76 int thread__set_namespaces(struct thread *thread, u64 timestamp,
77 struct perf_record_namespaces *event);
78
79 int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
80 bool exec);
thread__set_comm(struct thread * thread,const char * comm,u64 timestamp)81 static inline int thread__set_comm(struct thread *thread, const char *comm,
82 u64 timestamp)
83 {
84 return __thread__set_comm(thread, comm, timestamp, false);
85 }
86
87 int thread__set_comm_from_proc(struct thread *thread);
88
89 int thread__comm_len(struct thread *thread);
90 struct comm *thread__comm(const struct thread *thread);
91 struct comm *thread__exec_comm(const struct thread *thread);
92 const char *thread__comm_str(struct thread *thread);
93 int thread__insert_map(struct thread *thread, struct map *map);
94 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
95 size_t thread__fprintf(struct thread *thread, FILE *fp);
96
97 struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
98
99 struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
100 struct addr_location *al);
101 struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
102 struct addr_location *al);
103
104 struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
105 u64 addr, struct addr_location *al);
106 struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
107 u64 addr, struct addr_location *al);
108
109 void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
110 struct addr_location *al);
111
112 int thread__memcpy(struct thread *thread, struct machine *machine,
113 void *buf, u64 ip, int len, bool *is64bit);
114
thread__priv(struct thread * thread)115 static inline void *thread__priv(struct thread *thread)
116 {
117 return thread->priv;
118 }
119
thread__set_priv(struct thread * thread,void * p)120 static inline void thread__set_priv(struct thread *thread, void *p)
121 {
122 thread->priv = p;
123 }
124
thread__is_filtered(struct thread * thread)125 static inline bool thread__is_filtered(struct thread *thread)
126 {
127 if (symbol_conf.comm_list &&
128 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
129 return true;
130 }
131
132 if (symbol_conf.pid_list &&
133 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
134 return true;
135 }
136
137 if (symbol_conf.tid_list &&
138 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
139 return true;
140 }
141
142 return false;
143 }
144
145 #endif /* __PERF_THREAD_H */
146
