Linux kernel mirror (for testing)
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linux
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 "map.h"
12#include <strlist.h>
13#include <intlist.h>
14#include "rwsem.h"
15
16struct thread_stack;
17struct unwind_libunwind_ops;
18
19struct thread {
20 union {
21 struct rb_node rb_node;
22 struct list_head node;
23 };
24 struct map_groups *mg;
25 pid_t pid_; /* Not all tools update this */
26 pid_t tid;
27 pid_t ppid;
28 int cpu;
29 refcount_t refcnt;
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 struct srccode_state srccode_state;
43#ifdef HAVE_LIBUNWIND_SUPPORT
44 void *addr_space;
45 struct unwind_libunwind_ops *unwind_libunwind_ops;
46#endif
47 bool filter;
48 int filter_entry_depth;
49};
50
51struct machine;
52struct namespaces;
53struct comm;
54
55struct thread *thread__new(pid_t pid, pid_t tid);
56int thread__init_map_groups(struct thread *thread, struct machine *machine);
57void thread__delete(struct thread *thread);
58
59struct thread *thread__get(struct thread *thread);
60void thread__put(struct thread *thread);
61
62static 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
70static inline void thread__exited(struct thread *thread)
71{
72 thread->dead = true;
73}
74
75struct namespaces *thread__namespaces(const struct thread *thread);
76int thread__set_namespaces(struct thread *thread, u64 timestamp,
77 struct namespaces_event *event);
78
79int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
80 bool exec);
81static 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
87int thread__set_comm_from_proc(struct thread *thread);
88
89int thread__comm_len(struct thread *thread);
90struct comm *thread__comm(const struct thread *thread);
91struct comm *thread__exec_comm(const struct thread *thread);
92const char *thread__comm_str(const struct thread *thread);
93int thread__insert_map(struct thread *thread, struct map *map);
94int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
95size_t thread__fprintf(struct thread *thread, FILE *fp);
96
97struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
98
99struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
100 struct addr_location *al);
101struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
102 struct addr_location *al);
103
104struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
105 u64 addr, struct addr_location *al);
106struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
107 u64 addr, struct addr_location *al);
108
109void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
110 struct addr_location *al);
111
112static inline void *thread__priv(struct thread *thread)
113{
114 return thread->priv;
115}
116
117static inline void thread__set_priv(struct thread *thread, void *p)
118{
119 thread->priv = p;
120}
121
122static inline bool thread__is_filtered(struct thread *thread)
123{
124 if (symbol_conf.comm_list &&
125 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
126 return true;
127 }
128
129 if (symbol_conf.pid_list &&
130 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
131 return true;
132 }
133
134 if (symbol_conf.tid_list &&
135 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
136 return true;
137 }
138
139 return false;
140}
141
142#endif /* __PERF_THREAD_H */