Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __PERF_THREAD_H
2#define __PERF_THREAD_H
3
4#include <linux/atomic.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 atomic_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 comm_list;
32 u64 db_id;
33
34 void *priv;
35 struct thread_stack *ts;
36#ifdef HAVE_LIBUNWIND_SUPPORT
37 void *addr_space;
38 struct unwind_libunwind_ops *unwind_libunwind_ops;
39#endif
40};
41
42struct machine;
43struct comm;
44
45struct thread *thread__new(pid_t pid, pid_t tid);
46int thread__init_map_groups(struct thread *thread, struct machine *machine);
47void thread__delete(struct thread *thread);
48
49struct thread *thread__get(struct thread *thread);
50void thread__put(struct thread *thread);
51
52static inline void __thread__zput(struct thread **thread)
53{
54 thread__put(*thread);
55 *thread = NULL;
56}
57
58#define thread__zput(thread) __thread__zput(&thread)
59
60static inline void thread__exited(struct thread *thread)
61{
62 thread->dead = true;
63}
64
65int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
66 bool exec);
67static inline int thread__set_comm(struct thread *thread, const char *comm,
68 u64 timestamp)
69{
70 return __thread__set_comm(thread, comm, timestamp, false);
71}
72
73int thread__set_comm_from_proc(struct thread *thread);
74
75int thread__comm_len(struct thread *thread);
76struct comm *thread__comm(const struct thread *thread);
77struct comm *thread__exec_comm(const struct thread *thread);
78const char *thread__comm_str(const struct thread *thread);
79int thread__insert_map(struct thread *thread, struct map *map);
80int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
81size_t thread__fprintf(struct thread *thread, FILE *fp);
82
83struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
84
85void thread__find_addr_map(struct thread *thread,
86 u8 cpumode, enum map_type type, u64 addr,
87 struct addr_location *al);
88
89void thread__find_addr_location(struct thread *thread,
90 u8 cpumode, enum map_type type, u64 addr,
91 struct addr_location *al);
92
93void thread__find_cpumode_addr_location(struct thread *thread,
94 enum map_type type, u64 addr,
95 struct addr_location *al);
96
97static inline void *thread__priv(struct thread *thread)
98{
99 return thread->priv;
100}
101
102static inline void thread__set_priv(struct thread *thread, void *p)
103{
104 thread->priv = p;
105}
106
107static inline bool thread__is_filtered(struct thread *thread)
108{
109 if (symbol_conf.comm_list &&
110 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
111 return true;
112 }
113
114 if (symbol_conf.pid_list &&
115 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
116 return true;
117 }
118
119 if (symbol_conf.tid_list &&
120 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
121 return true;
122 }
123
124 return false;
125}
126
127#endif /* __PERF_THREAD_H */