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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;
14
15struct thread {
16 union {
17 struct rb_node rb_node;
18 struct list_head node;
19 };
20 struct map_groups *mg;
21 pid_t pid_; /* Not all tools update this */
22 pid_t tid;
23 pid_t ppid;
24 int cpu;
25 atomic_t refcnt;
26 char shortname[3];
27 bool comm_set;
28 int comm_len;
29 bool dead; /* if set thread has exited */
30 struct list_head comm_list;
31 u64 db_id;
32
33 void *priv;
34 struct thread_stack *ts;
35};
36
37struct machine;
38struct comm;
39
40struct thread *thread__new(pid_t pid, pid_t tid);
41int thread__init_map_groups(struct thread *thread, struct machine *machine);
42void thread__delete(struct thread *thread);
43
44struct thread *thread__get(struct thread *thread);
45void thread__put(struct thread *thread);
46
47static inline void __thread__zput(struct thread **thread)
48{
49 thread__put(*thread);
50 *thread = NULL;
51}
52
53#define thread__zput(thread) __thread__zput(&thread)
54
55static inline void thread__exited(struct thread *thread)
56{
57 thread->dead = true;
58}
59
60int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
61 bool exec);
62static inline int thread__set_comm(struct thread *thread, const char *comm,
63 u64 timestamp)
64{
65 return __thread__set_comm(thread, comm, timestamp, false);
66}
67
68int thread__comm_len(struct thread *thread);
69struct comm *thread__comm(const struct thread *thread);
70struct comm *thread__exec_comm(const struct thread *thread);
71const char *thread__comm_str(const struct thread *thread);
72void thread__insert_map(struct thread *thread, struct map *map);
73int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
74size_t thread__fprintf(struct thread *thread, FILE *fp);
75
76void thread__find_addr_map(struct thread *thread,
77 u8 cpumode, enum map_type type, u64 addr,
78 struct addr_location *al);
79
80void thread__find_addr_location(struct thread *thread,
81 u8 cpumode, enum map_type type, u64 addr,
82 struct addr_location *al);
83
84void thread__find_cpumode_addr_location(struct thread *thread,
85 enum map_type type, u64 addr,
86 struct addr_location *al);
87
88static inline void *thread__priv(struct thread *thread)
89{
90 return thread->priv;
91}
92
93static inline void thread__set_priv(struct thread *thread, void *p)
94{
95 thread->priv = p;
96}
97
98static inline bool thread__is_filtered(struct thread *thread)
99{
100 if (symbol_conf.comm_list &&
101 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
102 return true;
103 }
104
105 if (symbol_conf.pid_list &&
106 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
107 return true;
108 }
109
110 if (symbol_conf.tid_list &&
111 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
112 return true;
113 }
114
115 return false;
116}
117
118#endif /* __PERF_THREAD_H */
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 <stdio.h>
9#include <unistd.h>
10#include <sys/types.h>
11#include "srccode.h"
12#include "symbol_conf.h"
13#include <strlist.h>
14#include <intlist.h>
15#include "rwsem.h"
16#include "event.h"
17#include "callchain.h"
18
19struct addr_location;
20struct map;
21struct perf_record_namespaces;
22struct thread_stack;
23struct unwind_libunwind_ops;
24
25struct lbr_stitch {
26 struct list_head lists;
27 struct list_head free_lists;
28 struct perf_sample prev_sample;
29 struct callchain_cursor_node *prev_lbr_cursor;
30};
31
32struct thread {
33 union {
34 struct rb_node rb_node;
35 struct list_head node;
36 };
37 struct maps *maps;
38 pid_t pid_; /* Not all tools update this */
39 pid_t tid;
40 pid_t ppid;
41 int cpu;
42 refcount_t refcnt;
43 bool comm_set;
44 int comm_len;
45 bool dead; /* if set thread has exited */
46 struct list_head namespaces_list;
47 struct rw_semaphore namespaces_lock;
48 struct list_head comm_list;
49 struct rw_semaphore comm_lock;
50 u64 db_id;
51
52 void *priv;
53 struct thread_stack *ts;
54 struct nsinfo *nsinfo;
55 struct srccode_state srccode_state;
56 bool filter;
57 int filter_entry_depth;
58
59 /* LBR call stack stitch */
60 bool lbr_stitch_enable;
61 struct lbr_stitch *lbr_stitch;
62};
63
64struct machine;
65struct namespaces;
66struct comm;
67
68struct thread *thread__new(pid_t pid, pid_t tid);
69int thread__init_maps(struct thread *thread, struct machine *machine);
70void thread__delete(struct thread *thread);
71
72struct thread *thread__get(struct thread *thread);
73void thread__put(struct thread *thread);
74
75static inline void __thread__zput(struct thread **thread)
76{
77 thread__put(*thread);
78 *thread = NULL;
79}
80
81#define thread__zput(thread) __thread__zput(&thread)
82
83static inline void thread__exited(struct thread *thread)
84{
85 thread->dead = true;
86}
87
88struct namespaces *thread__namespaces(struct thread *thread);
89int thread__set_namespaces(struct thread *thread, u64 timestamp,
90 struct perf_record_namespaces *event);
91
92int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
93 bool exec);
94static inline int thread__set_comm(struct thread *thread, const char *comm,
95 u64 timestamp)
96{
97 return __thread__set_comm(thread, comm, timestamp, false);
98}
99
100int thread__set_comm_from_proc(struct thread *thread);
101
102int thread__comm_len(struct thread *thread);
103struct comm *thread__comm(const struct thread *thread);
104struct comm *thread__exec_comm(const struct thread *thread);
105const char *thread__comm_str(struct thread *thread);
106int thread__insert_map(struct thread *thread, struct map *map);
107int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
108size_t thread__fprintf(struct thread *thread, FILE *fp);
109
110struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
111
112struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
113 struct addr_location *al);
114struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
115 struct addr_location *al);
116
117struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
118 u64 addr, struct addr_location *al);
119struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
120 u64 addr, struct addr_location *al);
121
122void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
123 struct addr_location *al);
124
125int thread__memcpy(struct thread *thread, struct machine *machine,
126 void *buf, u64 ip, int len, bool *is64bit);
127
128static inline void *thread__priv(struct thread *thread)
129{
130 return thread->priv;
131}
132
133static inline void thread__set_priv(struct thread *thread, void *p)
134{
135 thread->priv = p;
136}
137
138static inline bool thread__is_filtered(struct thread *thread)
139{
140 if (symbol_conf.comm_list &&
141 !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
142 return true;
143 }
144
145 if (symbol_conf.pid_list &&
146 !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) {
147 return true;
148 }
149
150 if (symbol_conf.tid_list &&
151 !intlist__has_entry(symbol_conf.tid_list, thread->tid)) {
152 return true;
153 }
154
155 return false;
156}
157
158void thread__free_stitch_list(struct thread *thread);
159
160#endif /* __PERF_THREAD_H */