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#ifdef HAVE_LIBUNWIND_SUPPORT
13#include <libunwind.h>
14#endif
15
16struct thread_stack;
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 atomic_t refcnt;
29 char shortname[3];
30 bool comm_set;
31 int comm_len;
32 bool dead; /* if set thread has exited */
33 struct list_head comm_list;
34 u64 db_id;
35
36 void *priv;
37 struct thread_stack *ts;
38#ifdef HAVE_LIBUNWIND_SUPPORT
39 unw_addr_space_t addr_space;
40#endif
41};
42
43struct machine;
44struct comm;
45
46struct thread *thread__new(pid_t pid, pid_t tid);
47int thread__init_map_groups(struct thread *thread, struct machine *machine);
48void thread__delete(struct thread *thread);
49
50struct thread *thread__get(struct thread *thread);
51void thread__put(struct thread *thread);
52
53static inline void __thread__zput(struct thread **thread)
54{
55 thread__put(*thread);
56 *thread = NULL;
57}
58
59#define thread__zput(thread) __thread__zput(&thread)
60
61static inline void thread__exited(struct thread *thread)
62{
63 thread->dead = true;
64}
65
66int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
67 bool exec);
68static inline int thread__set_comm(struct thread *thread, const char *comm,
69 u64 timestamp)
70{
71 return __thread__set_comm(thread, comm, timestamp, false);
72}
73
74int thread__set_comm_from_proc(struct thread *thread);
75
76int thread__comm_len(struct thread *thread);
77struct comm *thread__comm(const struct thread *thread);
78struct comm *thread__exec_comm(const struct thread *thread);
79const char *thread__comm_str(const struct thread *thread);
80void thread__insert_map(struct thread *thread, struct map *map);
81int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
82size_t thread__fprintf(struct thread *thread, FILE *fp);
83
84void thread__find_addr_map(struct thread *thread,
85 u8 cpumode, enum map_type type, u64 addr,
86 struct addr_location *al);
87
88void thread__find_addr_location(struct thread *thread,
89 u8 cpumode, enum map_type type, u64 addr,
90 struct addr_location *al);
91
92void thread__find_cpumode_addr_location(struct thread *thread,
93 enum map_type type, u64 addr,
94 struct addr_location *al);
95
96static inline void *thread__priv(struct thread *thread)
97{
98 return thread->priv;
99}
100
101static inline void thread__set_priv(struct thread *thread, void *p)
102{
103 thread->priv = p;
104}
105
106static inline bool thread__is_filtered(struct thread *thread)
107{
108 if (symbol_conf.comm_list &&
109 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
110 return true;
111 }
112
113 if (symbol_conf.pid_list &&
114 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
115 return true;
116 }
117
118 if (symbol_conf.tid_list &&
119 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
120 return true;
121 }
122
123 return false;
124}
125
126#endif /* __PERF_THREAD_H */