631 		   size_t cnt, loff_t *ppos)  in ftrace_event_write()  argument
638 	if (!cnt)  in ftrace_event_write()
648 	read = trace_get_user(&parser, ubuf, cnt, ppos);  in ftrace_event_write()
762 event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,  in event_enable_read()  argument
788 	return simple_read_from_buffer(ubuf, cnt, ppos, buf, strlen(buf));  in event_enable_read()
792 event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,  in event_enable_write()  argument
799 	ret = kstrtoul_from_user(ubuf, cnt, 10, &val);  in event_enable_write()
822 	*ppos += cnt;  in event_enable_write()
824 	return ret ? ret : cnt;  in event_enable_write()
828 system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,  in system_enable_read()  argument
868 	ret = simple_read_from_buffer(ubuf, cnt, ppos, buf, 2);  in system_enable_read()
874 system_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,  in system_enable_write()  argument
883 	ret = kstrtoul_from_user(ubuf, cnt, 10, &val);  in system_enable_write()
905 	ret = cnt;  in system_enable_write()
908 	*ppos += cnt;  in system_enable_write()
1045 event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)  in event_id_read()  argument
1059 	return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);  in event_id_read()
1063 event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,  in event_filter_read()  argument
1087 		r = simple_read_from_buffer(ubuf, cnt, ppos,  in event_filter_read()
1096 event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,  in event_filter_write()  argument
1103 	if (cnt >= PAGE_SIZE)  in event_filter_write()
1110 	if (copy_from_user(buf, ubuf, cnt)) {  in event_filter_write()
1114 	buf[cnt] = '\0';  in event_filter_write()
1126 	*ppos += cnt;  in event_filter_write()
1128 	return cnt;  in event_filter_write()
1236 subsystem_filter_read(struct file *filp, char __user *ubuf, size_t cnt,  in subsystem_filter_read()  argument
1254 	r = simple_read_from_buffer(ubuf, cnt, ppos,  in subsystem_filter_read()
1263 subsystem_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,  in subsystem_filter_write()  argument
1270 	if (cnt >= PAGE_SIZE)  in subsystem_filter_write()
1277 	if (copy_from_user(buf, ubuf, cnt)) {  in subsystem_filter_write()
1281 	buf[cnt] = '\0';  in subsystem_filter_write()
1288 	*ppos += cnt;  in subsystem_filter_write()
1290 	return cnt;  in subsystem_filter_write()
1294 show_header(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)  in show_header()  argument
1310 	r = simple_read_from_buffer(ubuf, cnt, ppos,  in show_header()