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