58 event_triggers_call(struct trace_event_file *file,  in event_triggers_call()  argument
66 	if (list_empty(&file->triggers))  in event_triggers_call()
69 	list_for_each_entry_rcu(data, &file->triggers, list) {  in event_triggers_call()
89 bool __trace_trigger_soft_disabled(struct trace_event_file *file)  in __trace_trigger_soft_disabled()  argument
91 	unsigned long eflags = file->flags;  in __trace_trigger_soft_disabled()
94 		event_triggers_call(file, NULL, NULL, NULL);  in __trace_trigger_soft_disabled()
98 		return trace_event_ignore_this_pid(file);  in __trace_trigger_soft_disabled()
116 event_triggers_post_call(struct trace_event_file *file,  in event_triggers_post_call()  argument
121 	list_for_each_entry_rcu(data, &file->triggers, list) {  in event_triggers_post_call()
143 static bool check_user_trigger(struct trace_event_file *file)  in check_user_trigger()  argument
147 	list_for_each_entry_rcu(data, &file->triggers, list,  in check_user_trigger()
206 static int event_trigger_regex_open(struct inode *inode, struct file *file)  in event_trigger_regex_open()  argument
216 	if (unlikely(!event_file_data(file))) {  in event_trigger_regex_open()
221 	if ((file->f_mode & FMODE_WRITE) &&  in event_trigger_regex_open()
222 	    (file->f_flags & O_TRUNC)) {  in event_trigger_regex_open()
226 		event_file = event_file_data(file);  in event_trigger_regex_open()
234 	if (file->f_mode & FMODE_READ) {  in event_trigger_regex_open()
235 		ret = seq_open(file, &event_triggers_seq_ops);  in event_trigger_regex_open()
237 			struct seq_file *m = file->private_data;  in event_trigger_regex_open()
238 			m->private = file;  in event_trigger_regex_open()
247 int trigger_process_regex(struct trace_event_file *file, char *buff)  in trigger_process_regex()  argument
265 			ret = p->parse(p, file, buff, command, next);  in trigger_process_regex()
275 static ssize_t event_trigger_regex_write(struct file *file,  in event_trigger_regex_write()  argument
296 	event_file = event_file_data(file);  in event_trigger_regex_write()
315 static int event_trigger_regex_release(struct inode *inode, struct file *file)  in event_trigger_regex_release()  argument
319 	if (file->f_mode & FMODE_READ)  in event_trigger_regex_release()
320 		seq_release(inode, file);  in event_trigger_regex_release()
328 event_trigger_write(struct file *filp, const char __user *ubuf,  in event_trigger_write()
335 event_trigger_open(struct inode *inode, struct file *filp)  in event_trigger_open()
342 event_trigger_release(struct inode *inode, struct file *file)  in event_trigger_release()  argument
344 	return event_trigger_regex_release(inode, file);  in event_trigger_release()
473 int trace_event_trigger_enable_disable(struct trace_event_file *file,  in trace_event_trigger_enable_disable()  argument
479 		if (atomic_inc_return(&file->tm_ref) > 1)  in trace_event_trigger_enable_disable()
481 		set_bit(EVENT_FILE_FL_TRIGGER_MODE_BIT, &file->flags);  in trace_event_trigger_enable_disable()
482 		ret = trace_event_enable_disable(file, 1, 1);  in trace_event_trigger_enable_disable()
484 		if (atomic_dec_return(&file->tm_ref) > 0)  in trace_event_trigger_enable_disable()
486 		clear_bit(EVENT_FILE_FL_TRIGGER_MODE_BIT, &file->flags);  in trace_event_trigger_enable_disable()
487 		ret = trace_event_enable_disable(file, 0, 1);  in trace_event_trigger_enable_disable()
509 	struct trace_event_file *file;  in clear_event_triggers()  local
511 	list_for_each_entry(file, &tr->events, list) {  in clear_event_triggers()
513 		list_for_each_entry_safe(data, n, &file->triggers, list) {  in clear_event_triggers()
514 			trace_event_trigger_enable_disable(file, 0);  in clear_event_triggers()
532 void update_cond_flag(struct trace_event_file *file)  in update_cond_flag()  argument
539 	list_for_each_entry(data, &file->triggers, list) {  in update_cond_flag()
548 		set_bit(EVENT_FILE_FL_TRIGGER_COND_BIT, &file->flags);  in update_cond_flag()
550 		clear_bit(EVENT_FILE_FL_TRIGGER_COND_BIT, &file->flags);  in update_cond_flag()
568 			    struct trace_event_file *file)  in register_trigger()  argument
575 	list_for_each_entry(test, &file->triggers, list) {  in register_trigger()
588 	list_add_rcu(&data->list, &file->triggers);  in register_trigger()
590 	update_cond_flag(file);  in register_trigger()
591 	ret = trace_event_trigger_enable_disable(file, 1);  in register_trigger()
594 		update_cond_flag(file);  in register_trigger()
613 			       struct trace_event_file *file)  in unregister_trigger()  argument
619 	list_for_each_entry(iter, &file->triggers, list) {  in unregister_trigger()
623 			trace_event_trigger_enable_disable(file, 0);  in unregister_trigger()
624 			update_cond_flag(file);  in unregister_trigger()
898 			     struct trace_event_file *file,  in event_trigger_set_filter()  argument
903 		return cmd_ops->set_filter(param, trigger_data, file);  in event_trigger_set_filter()
935 			   struct trace_event_file *file,  in event_trigger_register()  argument
939 	return cmd_ops->reg(glob, trigger_data, file);  in event_trigger_register()
953 			      struct trace_event_file *file,  in event_trigger_unregister()  argument
957 	cmd_ops->unreg(glob, trigger_data, file);  in event_trigger_unregister()
982 		    struct trace_event_file *file,  in event_trigger_parse()  argument
997 	trigger_data = event_trigger_alloc(cmd_ops, cmd, param, file);  in event_trigger_parse()
1002 		event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);  in event_trigger_parse()
1012 	ret = event_trigger_set_filter(cmd_ops, file, filter, trigger_data);  in event_trigger_parse()
1019 	ret = event_trigger_register(cmd_ops, file, glob, trigger_data);  in event_trigger_parse()
1052 		       struct trace_event_file *file)  in set_trigger_filter()  argument
1071 	ret = create_event_filter(file->tr, file->event_call,  in set_trigger_filter()
1270 	struct trace_event_file *file = data->private_data;  in traceon_trigger()  local
1272 	if (file) {  in traceon_trigger()
1273 		if (tracer_tracing_is_on(file->tr))  in traceon_trigger()
1276 		tracer_tracing_on(file->tr);  in traceon_trigger()
1291 	struct trace_event_file *file = data->private_data;  in traceon_count_trigger()  local
1293 	if (file) {  in traceon_count_trigger()
1294 		if (tracer_tracing_is_on(file->tr))  in traceon_count_trigger()
1307 	if (file)  in traceon_count_trigger()
1308 		tracer_tracing_on(file->tr);  in traceon_count_trigger()
1318 	struct trace_event_file *file = data->private_data;  in traceoff_trigger()  local
1320 	if (file) {  in traceoff_trigger()
1321 		if (!tracer_tracing_is_on(file->tr))  in traceoff_trigger()
1324 		tracer_tracing_off(file->tr);  in traceoff_trigger()
1339 	struct trace_event_file *file = data->private_data;  in traceoff_count_trigger()  local
1341 	if (file) {  in traceoff_count_trigger()
1342 		if (!tracer_tracing_is_on(file->tr))  in traceoff_count_trigger()
1355 	if (file)  in traceoff_count_trigger()
1356 		tracer_tracing_off(file->tr);  in traceoff_count_trigger()
1446 	struct trace_event_file *file = data->private_data;  in snapshot_trigger()  local
1448 	if (file)  in snapshot_trigger()
1449 		tracing_snapshot_instance(file->tr);  in snapshot_trigger()
1471 			  struct trace_event_file *file)  in register_snapshot_trigger()  argument
1473 	int ret = tracing_alloc_snapshot_instance(file->tr);  in register_snapshot_trigger()
1478 	return register_trigger(glob, data, file);  in register_snapshot_trigger()
1554 	struct trace_event_file *file = data->private_data;  in stacktrace_trigger()  local
1556 	if (file)  in stacktrace_trigger()
1557 		__trace_stack(file->tr, tracing_gen_ctx(), STACK_SKIP);  in stacktrace_trigger()
1641 		clear_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &enable_data->file->flags);  in event_enable_trigger()
1643 		set_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &enable_data->file->flags);  in event_enable_trigger()
1657 	if (enable_data->enable == !(enable_data->file->flags & EVENT_FILE_FL_SOFT_DISABLED))  in event_enable_count_trigger()
1675 		   enable_data->file->event_call->class->system,  in event_enable_trigger_print()
1676 		   trace_event_name(enable_data->file->event_call));  in event_enable_trigger_print()
1701 		trace_event_enable_disable(enable_data->file, 0, 1);  in event_enable_trigger_free()
1702 		trace_event_put_ref(enable_data->file->event_call);  in event_enable_trigger_free()
1737 			       struct trace_event_file *file,  in event_enable_trigger_parse()  argument
1743 	struct trace_array *tr = file->tr;  in event_enable_trigger_parse()
1788 	enable_data->file = event_enable_file;  in event_enable_trigger_parse()
1797 		event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);  in event_enable_trigger_parse()
1811 	ret = event_trigger_set_filter(cmd_ops, file, filter, trigger_data);  in event_enable_trigger_parse()
1826 	ret = event_trigger_register(cmd_ops, file, glob, trigger_data);  in event_enable_trigger_parse()
1847 				  struct trace_event_file *file)  in event_enable_register_trigger()  argument
1856 	list_for_each_entry(test, &file->triggers, list) {  in event_enable_register_trigger()
1861 		    (test_enable_data->file == enable_data->file)) {  in event_enable_register_trigger()
1873 	list_add_rcu(&data->list, &file->triggers);  in event_enable_register_trigger()
1875 	update_cond_flag(file);  in event_enable_register_trigger()
1876 	ret = trace_event_trigger_enable_disable(file, 1);  in event_enable_register_trigger()
1879 		update_cond_flag(file);  in event_enable_register_trigger()
1887 				     struct trace_event_file *file)  in event_enable_unregister_trigger()  argument
1895 	list_for_each_entry(iter, &file->triggers, list) {  in event_enable_unregister_trigger()
1900 		    (enable_data->file == test_enable_data->file)) {  in event_enable_unregister_trigger()
1903 			trace_event_trigger_enable_disable(file, 0);  in event_enable_unregister_trigger()
1904 			update_cond_flag(file);  in event_enable_unregister_trigger()