22 int thread__init_map_groups(struct thread *thread, struct machine *machine)  in thread__init_map_groups()  argument
24 	pid_t pid = thread->pid_;  in thread__init_map_groups()
26 	if (pid == thread->tid || pid == -1) {  in thread__init_map_groups()
27 		thread->mg = map_groups__new(machine);  in thread__init_map_groups()
29 		struct thread *leader = __machine__findnew_thread(machine, pid, pid);  in thread__init_map_groups()
31 			thread->mg = map_groups__get(leader->mg);  in thread__init_map_groups()
36 	return thread->mg ? 0 : -1;  in thread__init_map_groups()
39 struct thread *thread__new(pid_t pid, pid_t tid)  in thread__new()
43 	struct thread *thread = zalloc(sizeof(*thread));  in thread__new()  local
45 	if (thread != NULL) {  in thread__new()
46 		thread->pid_ = pid;  in thread__new()
47 		thread->tid = tid;  in thread__new()
48 		thread->ppid = -1;  in thread__new()
49 		thread->cpu = -1;  in thread__new()
50 		INIT_LIST_HEAD(&thread->namespaces_list);  in thread__new()
51 		INIT_LIST_HEAD(&thread->comm_list);  in thread__new()
52 		init_rwsem(&thread->namespaces_lock);  in thread__new()
53 		init_rwsem(&thread->comm_lock);  in thread__new()
65 		list_add(&comm->list, &thread->comm_list);  in thread__new()
66 		refcount_set(&thread->refcnt, 1);  in thread__new()
67 		RB_CLEAR_NODE(&thread->rb_node);  in thread__new()
69 		thread->nsinfo = nsinfo__new(pid);  in thread__new()
70 		srccode_state_init(&thread->srccode_state);  in thread__new()
73 	return thread;  in thread__new()
76 	free(thread);  in thread__new()
80 void thread__delete(struct thread *thread)  in thread__delete()  argument
85 	BUG_ON(!RB_EMPTY_NODE(&thread->rb_node));  in thread__delete()
87 	thread_stack__free(thread);  in thread__delete()
89 	if (thread->mg) {  in thread__delete()
90 		map_groups__put(thread->mg);  in thread__delete()
91 		thread->mg = NULL;  in thread__delete()
93 	down_write(&thread->namespaces_lock);  in thread__delete()
95 				 &thread->namespaces_list, list) {  in thread__delete()
99 	up_write(&thread->namespaces_lock);  in thread__delete()
101 	down_write(&thread->comm_lock);  in thread__delete()
102 	list_for_each_entry_safe(comm, tmp_comm, &thread->comm_list, list) {  in thread__delete()
106 	up_write(&thread->comm_lock);  in thread__delete()
108 	nsinfo__zput(thread->nsinfo);  in thread__delete()
109 	srccode_state_free(&thread->srccode_state);  in thread__delete()
111 	exit_rwsem(&thread->namespaces_lock);  in thread__delete()
112 	exit_rwsem(&thread->comm_lock);  in thread__delete()
113 	free(thread);  in thread__delete()
116 struct thread *thread__get(struct thread *thread)  in thread__get()  argument
118 	if (thread)  in thread__get()
119 		refcount_inc(&thread->refcnt);  in thread__get()
120 	return thread;  in thread__get()
123 void thread__put(struct thread *thread)  in thread__put()  argument
125 	if (thread && refcount_dec_and_test(&thread->refcnt)) {  in thread__put()
146 		if (!list_empty(&thread->node))  in thread__put()
147 			list_del_init(&thread->node);  in thread__put()
148 		thread__delete(thread);  in thread__put()
152 static struct namespaces *__thread__namespaces(const struct thread *thread)  in __thread__namespaces()  argument
154 	if (list_empty(&thread->namespaces_list))  in __thread__namespaces()
157 	return list_first_entry(&thread->namespaces_list, struct namespaces, list);  in __thread__namespaces()
160 struct namespaces *thread__namespaces(struct thread *thread)  in thread__namespaces()  argument
164 	down_read(&thread->namespaces_lock);  in thread__namespaces()
165 	ns = __thread__namespaces(thread);  in thread__namespaces()
166 	up_read(&thread->namespaces_lock);  in thread__namespaces()
171 static int __thread__set_namespaces(struct thread *thread, u64 timestamp,  in __thread__set_namespaces()  argument
174 	struct namespaces *new, *curr = __thread__namespaces(thread);  in __thread__set_namespaces()
180 	list_add(&new->list, &thread->namespaces_list);  in __thread__set_namespaces()
195 int thread__set_namespaces(struct thread *thread, u64 timestamp,  in thread__set_namespaces()  argument
200 	down_write(&thread->namespaces_lock);  in thread__set_namespaces()
201 	ret = __thread__set_namespaces(thread, timestamp, event);  in thread__set_namespaces()
202 	up_write(&thread->namespaces_lock);  in thread__set_namespaces()
206 struct comm *thread__comm(const struct thread *thread)  in thread__comm()  argument
208 	if (list_empty(&thread->comm_list))  in thread__comm()
211 	return list_first_entry(&thread->comm_list, struct comm, list);  in thread__comm()
214 struct comm *thread__exec_comm(const struct thread *thread)  in thread__exec_comm()  argument
218 	list_for_each_entry(comm, &thread->comm_list, list) {  in thread__exec_comm()
231 	if (second_last && !last->start && thread->pid_ == thread->tid)  in thread__exec_comm()
237 static int ____thread__set_comm(struct thread *thread, const char *str,  in ____thread__set_comm()  argument
240 	struct comm *new, *curr = thread__comm(thread);  in ____thread__set_comm()
243 	if (!thread->comm_set) {  in ____thread__set_comm()
251 		list_add(&new->list, &thread->comm_list);  in ____thread__set_comm()
254 			unwind__flush_access(thread->mg);  in ____thread__set_comm()
257 	thread->comm_set = true;  in ____thread__set_comm()
262 int __thread__set_comm(struct thread *thread, const char *str, u64 timestamp,  in __thread__set_comm()  argument
267 	down_write(&thread->comm_lock);  in __thread__set_comm()
268 	ret = ____thread__set_comm(thread, str, timestamp, exec);  in __thread__set_comm()
269 	up_write(&thread->comm_lock);  in __thread__set_comm()
273 int thread__set_comm_from_proc(struct thread *thread)  in thread__set_comm_from_proc()  argument
281 		       thread->pid_, thread->tid) >= (int)sizeof(path)) &&  in thread__set_comm_from_proc()
284 		err = thread__set_comm(thread, comm, 0);  in thread__set_comm_from_proc()
290 static const char *__thread__comm_str(const struct thread *thread)  in __thread__comm_str()  argument
292 	const struct comm *comm = thread__comm(thread);  in __thread__comm_str()
300 const char *thread__comm_str(struct thread *thread)  in thread__comm_str()  argument
304 	down_read(&thread->comm_lock);  in thread__comm_str()
305 	str = __thread__comm_str(thread);  in thread__comm_str()
306 	up_read(&thread->comm_lock);  in thread__comm_str()
312 int thread__comm_len(struct thread *thread)  in thread__comm_len()  argument
314 	if (!thread->comm_len) {  in thread__comm_len()
315 		const char *comm = thread__comm_str(thread);  in thread__comm_len()
318 		thread->comm_len = strlen(comm);  in thread__comm_len()
321 	return thread->comm_len;  in thread__comm_len()
324 size_t thread__fprintf(struct thread *thread, FILE *fp)  in thread__fprintf()  argument
326 	return fprintf(fp, "Thread %d %s\n", thread->tid, thread__comm_str(thread)) +  in thread__fprintf()
327 	       map_groups__fprintf(thread->mg, fp);  in thread__fprintf()
330 int thread__insert_map(struct thread *thread, struct map *map)  in thread__insert_map()  argument
334 	ret = unwind__prepare_access(thread->mg, map, NULL);  in thread__insert_map()
338 	map_groups__fixup_overlappings(thread->mg, map, stderr);  in thread__insert_map()
339 	map_groups__insert(thread->mg, map);  in thread__insert_map()
344 static int __thread__prepare_access(struct thread *thread)  in __thread__prepare_access()  argument
348 	struct maps *maps = &thread->mg->maps;  in __thread__prepare_access()
354 		err = unwind__prepare_access(thread->mg, map, &initialized);  in __thread__prepare_access()
364 static int thread__prepare_access(struct thread *thread)  in thread__prepare_access()  argument
369 		err = __thread__prepare_access(thread);  in thread__prepare_access()
374 static int thread__clone_map_groups(struct thread *thread,  in thread__clone_map_groups()  argument
375 				    struct thread *parent,  in thread__clone_map_groups()
379 	if (thread->pid_ == parent->pid_)  in thread__clone_map_groups()
380 		return thread__prepare_access(thread);  in thread__clone_map_groups()
382 	if (thread->mg == parent->mg) {  in thread__clone_map_groups()
384 			 thread->pid_, thread->tid, parent->pid_, parent->tid);  in thread__clone_map_groups()
388 	return do_maps_clone ? map_groups__clone(thread, parent->mg) : 0;  in thread__clone_map_groups()
391 int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone)  in thread__fork()  argument
398 		err = thread__set_comm(thread, comm, timestamp);  in thread__fork()
403 	thread->ppid = parent->tid;  in thread__fork()
404 	return thread__clone_map_groups(thread, parent, do_maps_clone);  in thread__fork()
407 void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,  in thread__find_cpumode_addr_location()  argument
419 		thread__find_symbol(thread, cpumodes[i], addr, al);  in thread__find_cpumode_addr_location()
425 struct thread *thread__main_thread(struct machine *machine, struct thread *thread)  in thread__main_thread()  argument
427 	if (thread->pid_ == thread->tid)  in thread__main_thread()
428 		return thread__get(thread);  in thread__main_thread()
430 	if (thread->pid_ == -1)  in thread__main_thread()
433 	return machine__find_thread(machine, thread->pid_, thread->pid_);  in thread__main_thread()
436 int thread__memcpy(struct thread *thread, struct machine *machine,  in thread__memcpy()  argument
446        if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso ||  in thread__memcpy()