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 | #include <internal/rc_check.h> |
19 | |
20 | struct addr_location; |
21 | struct map; |
22 | struct perf_record_namespaces; |
23 | struct thread_stack; |
24 | struct unwind_libunwind_ops; |
25 | |
26 | struct lbr_stitch { |
27 | struct list_head lists; |
28 | struct list_head free_lists; |
29 | struct perf_sample prev_sample; |
30 | struct callchain_cursor_node *prev_lbr_cursor; |
31 | }; |
32 | |
33 | struct thread_rb_node { |
34 | struct rb_node rb_node; |
35 | struct thread *thread; |
36 | }; |
37 | |
38 | DECLARE_RC_STRUCT(thread) { |
39 | struct maps *maps; |
40 | pid_t pid_; /* Not all tools update this */ |
41 | pid_t tid; |
42 | pid_t ppid; |
43 | int cpu; |
44 | int guest_cpu; /* For QEMU thread */ |
45 | refcount_t refcnt; |
46 | bool comm_set; |
47 | int comm_len; |
48 | struct list_head namespaces_list; |
49 | struct rw_semaphore namespaces_lock; |
50 | struct list_head comm_list; |
51 | struct rw_semaphore comm_lock; |
52 | u64 db_id; |
53 | |
54 | void *priv; |
55 | struct thread_stack *ts; |
56 | struct nsinfo *nsinfo; |
57 | struct srccode_state srccode_state; |
58 | bool filter; |
59 | int filter_entry_depth; |
60 | |
61 | /* LBR call stack stitch */ |
62 | bool lbr_stitch_enable; |
63 | struct lbr_stitch *lbr_stitch; |
64 | }; |
65 | |
66 | struct machine; |
67 | struct namespaces; |
68 | struct comm; |
69 | |
70 | struct thread *thread__new(pid_t pid, pid_t tid); |
71 | int thread__init_maps(struct thread *thread, struct machine *machine); |
72 | void thread__delete(struct thread *thread); |
73 | |
74 | void thread__set_priv_destructor(void (*destructor)(void *priv)); |
75 | |
76 | struct thread *thread__get(struct thread *thread); |
77 | void thread__put(struct thread *thread); |
78 | |
79 | static inline void __thread__zput(struct thread **thread) |
80 | { |
81 | thread__put(thread: *thread); |
82 | *thread = NULL; |
83 | } |
84 | |
85 | #define thread__zput(thread) __thread__zput(&thread) |
86 | |
87 | struct namespaces *thread__namespaces(struct thread *thread); |
88 | int thread__set_namespaces(struct thread *thread, u64 timestamp, |
89 | struct perf_record_namespaces *event); |
90 | |
91 | int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, |
92 | bool exec); |
93 | static inline int thread__set_comm(struct thread *thread, const char *comm, |
94 | u64 timestamp) |
95 | { |
96 | return __thread__set_comm(thread, comm, timestamp, exec: false); |
97 | } |
98 | |
99 | int thread__set_comm_from_proc(struct thread *thread); |
100 | |
101 | int thread__comm_len(struct thread *thread); |
102 | struct comm *thread__comm(struct thread *thread); |
103 | struct comm *thread__exec_comm(struct thread *thread); |
104 | const char *thread__comm_str(struct thread *thread); |
105 | int thread__insert_map(struct thread *thread, struct map *map); |
106 | int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone); |
107 | size_t thread__fprintf(struct thread *thread, FILE *fp); |
108 | |
109 | struct thread *thread__main_thread(struct machine *machine, struct thread *thread); |
110 | |
111 | struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, |
112 | struct addr_location *al); |
113 | struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr, |
114 | struct addr_location *al); |
115 | |
116 | struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, |
117 | u64 addr, struct addr_location *al); |
118 | struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode, |
119 | u64 addr, struct addr_location *al); |
120 | |
121 | void thread__find_cpumode_addr_location(struct thread *thread, u64 addr, |
122 | struct addr_location *al); |
123 | |
124 | int thread__memcpy(struct thread *thread, struct machine *machine, |
125 | void *buf, u64 ip, int len, bool *is64bit); |
126 | |
127 | static inline struct maps *thread__maps(struct thread *thread) |
128 | { |
129 | return RC_CHK_ACCESS(thread)->maps; |
130 | } |
131 | |
132 | static inline void thread__set_maps(struct thread *thread, struct maps *maps) |
133 | { |
134 | RC_CHK_ACCESS(thread)->maps = maps; |
135 | } |
136 | |
137 | static inline pid_t thread__pid(const struct thread *thread) |
138 | { |
139 | return RC_CHK_ACCESS(thread)->pid_; |
140 | } |
141 | |
142 | static inline void thread__set_pid(struct thread *thread, pid_t pid_) |
143 | { |
144 | RC_CHK_ACCESS(thread)->pid_ = pid_; |
145 | } |
146 | |
147 | static inline pid_t thread__tid(const struct thread *thread) |
148 | { |
149 | return RC_CHK_ACCESS(thread)->tid; |
150 | } |
151 | |
152 | static inline void thread__set_tid(struct thread *thread, pid_t tid) |
153 | { |
154 | RC_CHK_ACCESS(thread)->tid = tid; |
155 | } |
156 | |
157 | static inline pid_t thread__ppid(const struct thread *thread) |
158 | { |
159 | return RC_CHK_ACCESS(thread)->ppid; |
160 | } |
161 | |
162 | static inline void thread__set_ppid(struct thread *thread, pid_t ppid) |
163 | { |
164 | RC_CHK_ACCESS(thread)->ppid = ppid; |
165 | } |
166 | |
167 | static inline int thread__cpu(const struct thread *thread) |
168 | { |
169 | return RC_CHK_ACCESS(thread)->cpu; |
170 | } |
171 | |
172 | static inline void thread__set_cpu(struct thread *thread, int cpu) |
173 | { |
174 | RC_CHK_ACCESS(thread)->cpu = cpu; |
175 | } |
176 | |
177 | static inline int thread__guest_cpu(const struct thread *thread) |
178 | { |
179 | return RC_CHK_ACCESS(thread)->guest_cpu; |
180 | } |
181 | |
182 | static inline void thread__set_guest_cpu(struct thread *thread, int guest_cpu) |
183 | { |
184 | RC_CHK_ACCESS(thread)->guest_cpu = guest_cpu; |
185 | } |
186 | |
187 | static inline refcount_t *thread__refcnt(struct thread *thread) |
188 | { |
189 | return &RC_CHK_ACCESS(thread)->refcnt; |
190 | } |
191 | |
192 | static inline bool thread__comm_set(const struct thread *thread) |
193 | { |
194 | return RC_CHK_ACCESS(thread)->comm_set; |
195 | } |
196 | |
197 | static inline void thread__set_comm_set(struct thread *thread, bool set) |
198 | { |
199 | RC_CHK_ACCESS(thread)->comm_set = set; |
200 | } |
201 | |
202 | static inline int thread__var_comm_len(const struct thread *thread) |
203 | { |
204 | return RC_CHK_ACCESS(thread)->comm_len; |
205 | } |
206 | |
207 | static inline void thread__set_comm_len(struct thread *thread, int len) |
208 | { |
209 | RC_CHK_ACCESS(thread)->comm_len = len; |
210 | } |
211 | |
212 | static inline struct list_head *thread__namespaces_list(struct thread *thread) |
213 | { |
214 | return &RC_CHK_ACCESS(thread)->namespaces_list; |
215 | } |
216 | |
217 | static inline int thread__namespaces_list_empty(const struct thread *thread) |
218 | { |
219 | return list_empty(head: &RC_CHK_ACCESS(thread)->namespaces_list); |
220 | } |
221 | |
222 | static inline struct rw_semaphore *thread__namespaces_lock(struct thread *thread) |
223 | { |
224 | return &RC_CHK_ACCESS(thread)->namespaces_lock; |
225 | } |
226 | |
227 | static inline struct list_head *thread__comm_list(struct thread *thread) |
228 | { |
229 | return &RC_CHK_ACCESS(thread)->comm_list; |
230 | } |
231 | |
232 | static inline struct rw_semaphore *thread__comm_lock(struct thread *thread) |
233 | { |
234 | return &RC_CHK_ACCESS(thread)->comm_lock; |
235 | } |
236 | |
237 | static inline u64 thread__db_id(const struct thread *thread) |
238 | { |
239 | return RC_CHK_ACCESS(thread)->db_id; |
240 | } |
241 | |
242 | static inline void thread__set_db_id(struct thread *thread, u64 db_id) |
243 | { |
244 | RC_CHK_ACCESS(thread)->db_id = db_id; |
245 | } |
246 | |
247 | static inline void *thread__priv(struct thread *thread) |
248 | { |
249 | return RC_CHK_ACCESS(thread)->priv; |
250 | } |
251 | |
252 | static inline void thread__set_priv(struct thread *thread, void *p) |
253 | { |
254 | RC_CHK_ACCESS(thread)->priv = p; |
255 | } |
256 | |
257 | static inline struct thread_stack *thread__ts(struct thread *thread) |
258 | { |
259 | return RC_CHK_ACCESS(thread)->ts; |
260 | } |
261 | |
262 | static inline void thread__set_ts(struct thread *thread, struct thread_stack *ts) |
263 | { |
264 | RC_CHK_ACCESS(thread)->ts = ts; |
265 | } |
266 | |
267 | static inline struct nsinfo *thread__nsinfo(struct thread *thread) |
268 | { |
269 | return RC_CHK_ACCESS(thread)->nsinfo; |
270 | } |
271 | |
272 | static inline struct srccode_state *thread__srccode_state(struct thread *thread) |
273 | { |
274 | return &RC_CHK_ACCESS(thread)->srccode_state; |
275 | } |
276 | |
277 | static inline bool thread__filter(const struct thread *thread) |
278 | { |
279 | return RC_CHK_ACCESS(thread)->filter; |
280 | } |
281 | |
282 | static inline void thread__set_filter(struct thread *thread, bool filter) |
283 | { |
284 | RC_CHK_ACCESS(thread)->filter = filter; |
285 | } |
286 | |
287 | static inline int thread__filter_entry_depth(const struct thread *thread) |
288 | { |
289 | return RC_CHK_ACCESS(thread)->filter_entry_depth; |
290 | } |
291 | |
292 | static inline void thread__set_filter_entry_depth(struct thread *thread, int depth) |
293 | { |
294 | RC_CHK_ACCESS(thread)->filter_entry_depth = depth; |
295 | } |
296 | |
297 | static inline bool thread__lbr_stitch_enable(const struct thread *thread) |
298 | { |
299 | return RC_CHK_ACCESS(thread)->lbr_stitch_enable; |
300 | } |
301 | |
302 | static inline void thread__set_lbr_stitch_enable(struct thread *thread, bool en) |
303 | { |
304 | RC_CHK_ACCESS(thread)->lbr_stitch_enable = en; |
305 | } |
306 | |
307 | static inline struct lbr_stitch *thread__lbr_stitch(struct thread *thread) |
308 | { |
309 | return RC_CHK_ACCESS(thread)->lbr_stitch; |
310 | } |
311 | |
312 | static inline void thread__set_lbr_stitch(struct thread *thread, struct lbr_stitch *lbrs) |
313 | { |
314 | RC_CHK_ACCESS(thread)->lbr_stitch = lbrs; |
315 | } |
316 | |
317 | static inline bool thread__is_filtered(struct thread *thread) |
318 | { |
319 | if (symbol_conf.comm_list && |
320 | !strlist__has_entry(slist: symbol_conf.comm_list, entry: thread__comm_str(thread))) { |
321 | return true; |
322 | } |
323 | |
324 | if (symbol_conf.pid_list && |
325 | !intlist__has_entry(ilist: symbol_conf.pid_list, i: thread__pid(thread))) { |
326 | return true; |
327 | } |
328 | |
329 | if (symbol_conf.tid_list && |
330 | !intlist__has_entry(ilist: symbol_conf.tid_list, i: thread__tid(thread))) { |
331 | return true; |
332 | } |
333 | |
334 | return false; |
335 | } |
336 | |
337 | void thread__free_stitch_list(struct thread *thread); |
338 | |
339 | void thread__resolve(struct thread *thread, struct addr_location *al, |
340 | struct perf_sample *sample); |
341 | |
342 | #endif /* __PERF_THREAD_H */ |
343 | |