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