858 		   size_t cnt, loff_t *ppos)  in ftrace_event_write()  argument
865 	if (!cnt)  in ftrace_event_write()
875 	read = trace_get_user(&parser, ubuf, cnt, ppos);  in ftrace_event_write()
1026 event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,  in event_enable_read()  argument
1052 	return simple_read_from_buffer(ubuf, cnt, ppos, buf, strlen(buf));  in event_enable_read()
1056 event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,  in event_enable_write()  argument
1063 	ret = kstrtoul_from_user(ubuf, cnt, 10, &val);  in event_enable_write()
1086 	*ppos += cnt;  in event_enable_write()
1088 	return ret ? ret : cnt;  in event_enable_write()
1092 system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,  in system_enable_read()  argument
1132 	ret = simple_read_from_buffer(ubuf, cnt, ppos, buf, 2);  in system_enable_read()
1138 system_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,  in system_enable_write()  argument
1147 	ret = kstrtoul_from_user(ubuf, cnt, 10, &val);  in system_enable_write()
1169 	ret = cnt;  in system_enable_write()
1172 	*ppos += cnt;  in system_enable_write()
1311 event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)  in event_id_read()  argument
1322 	return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);  in event_id_read()
1326 event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,  in event_filter_read()  argument
1350 		r = simple_read_from_buffer(ubuf, cnt, ppos,  in event_filter_read()
1359 event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,  in event_filter_write()  argument
1366 	if (cnt >= PAGE_SIZE)  in event_filter_write()
1369 	buf = memdup_user_nul(ubuf, cnt);  in event_filter_write()
1383 	*ppos += cnt;  in event_filter_write()
1385 	return cnt;  in event_filter_write()
1482 subsystem_filter_read(struct file *filp, char __user *ubuf, size_t cnt,  in subsystem_filter_read()  argument
1500 	r = simple_read_from_buffer(ubuf, cnt, ppos,  in subsystem_filter_read()
1509 subsystem_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,  in subsystem_filter_write()  argument
1516 	if (cnt >= PAGE_SIZE)  in subsystem_filter_write()
1519 	buf = memdup_user_nul(ubuf, cnt);  in subsystem_filter_write()
1528 	*ppos += cnt;  in subsystem_filter_write()
1530 	return cnt;  in subsystem_filter_write()
1534 show_header(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)  in show_header()  argument
1550 	r = simple_read_from_buffer(ubuf, cnt, ppos,  in show_header()
1576 		       size_t cnt, loff_t *ppos)  in ftrace_event_pid_write()  argument
1585 	if (!cnt)  in ftrace_event_pid_write()
1597 	ret = trace_pid_write(filtered_pids, &pid_list, ubuf, cnt);  in ftrace_event_pid_write()