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