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 <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 bool comm_set;
30 int comm_len;
31 bool dead; /* if set thread has exited */
32 struct list_head namespaces_list;
33 struct rw_semaphore namespaces_lock;
34 struct list_head comm_list;
35 struct rw_semaphore comm_lock;
36 u64 db_id;
37
38 void *priv;
39 struct thread_stack *ts;
40 struct nsinfo *nsinfo;
41#ifdef HAVE_LIBUNWIND_SUPPORT
42 void *addr_space;
43 struct unwind_libunwind_ops *unwind_libunwind_ops;
44#endif
45 bool filter;
46 int filter_entry_depth;
47};
48
49struct machine;
50struct namespaces;
51struct comm;
52
53struct thread *thread__new(pid_t pid, pid_t tid);
54int thread__init_map_groups(struct thread *thread, struct machine *machine);
55void thread__delete(struct thread *thread);
56
57struct thread *thread__get(struct thread *thread);
58void thread__put(struct thread *thread);
59
60static inline void __thread__zput(struct thread **thread)
61{
62 thread__put(*thread);
63 *thread = NULL;
64}
65
66#define thread__zput(thread) __thread__zput(&thread)
67
68static inline void thread__exited(struct thread *thread)
69{
70 thread->dead = true;
71}
72
73struct namespaces *thread__namespaces(const struct thread *thread);
74int thread__set_namespaces(struct thread *thread, u64 timestamp,
75 struct namespaces_event *event);
76
77int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
78 bool exec);
79static inline int thread__set_comm(struct thread *thread, const char *comm,
80 u64 timestamp)
81{
82 return __thread__set_comm(thread, comm, timestamp, false);
83}
84
85int thread__set_comm_from_proc(struct thread *thread);
86
87int thread__comm_len(struct thread *thread);
88struct comm *thread__comm(const struct thread *thread);
89struct comm *thread__exec_comm(const struct thread *thread);
90const char *thread__comm_str(const struct thread *thread);
91int thread__insert_map(struct thread *thread, struct map *map);
92int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
93size_t thread__fprintf(struct thread *thread, FILE *fp);
94
95struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
96
97struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
98 struct addr_location *al);
99
100struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
101 u64 addr, struct addr_location *al);
102
103void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
104 struct addr_location *al);
105
106static inline void *thread__priv(struct thread *thread)
107{
108 return thread->priv;
109}
110
111static inline void thread__set_priv(struct thread *thread, void *p)
112{
113 thread->priv = p;
114}
115
116static inline bool thread__is_filtered(struct thread *thread)
117{
118 if (symbol_conf.comm_list &&
119 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
120 return true;
121 }
122
123 if (symbol_conf.pid_list &&
124 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
125 return true;
126 }
127
128 if (symbol_conf.tid_list &&
129 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
130 return true;
131 }
132
133 return false;
134}
135
136#endif /* __PERF_THREAD_H */