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