992 static int psi_io_open(struct inode *inode, struct file *file)  in psi_io_open()  argument
994 	return single_open(file, psi_io_show, NULL);  in psi_io_open()
997 static int psi_memory_open(struct inode *inode, struct file *file)  in psi_memory_open()  argument
999 	return single_open(file, psi_memory_show, NULL);  in psi_memory_open()
1002 static int psi_cpu_open(struct inode *inode, struct file *file)  in psi_cpu_open()  argument
1004 	return single_open(file, psi_cpu_show, NULL);  in psi_cpu_open()
1162 				struct file *file, poll_table *wait)  in psi_trigger_poll()  argument
1181 	poll_wait(file, &t->event_wait, wait);  in psi_trigger_poll()
1191 static ssize_t psi_write(struct file *file, const char __user *user_buf,  in psi_write()  argument
1212 	seq = file->private_data;  in psi_write()
1221 static ssize_t psi_io_write(struct file *file, const char __user *user_buf,  in psi_io_write()  argument
1224 	return psi_write(file, user_buf, nbytes, PSI_IO);  in psi_io_write()
1227 static ssize_t psi_memory_write(struct file *file, const char __user *user_buf,  in psi_memory_write()  argument
1230 	return psi_write(file, user_buf, nbytes, PSI_MEM);  in psi_memory_write()
1233 static ssize_t psi_cpu_write(struct file *file, const char __user *user_buf,  in psi_cpu_write()  argument
1236 	return psi_write(file, user_buf, nbytes, PSI_CPU);  in psi_cpu_write()
1239 static __poll_t psi_fop_poll(struct file *file, poll_table *wait)  in psi_fop_poll()  argument
1241 	struct seq_file *seq = file->private_data;  in psi_fop_poll()
1243 	return psi_trigger_poll(&seq->private, file, wait);  in psi_fop_poll()
1246 static int psi_fop_release(struct inode *inode, struct file *file)  in psi_fop_release()  argument
1248 	struct seq_file *seq = file->private_data;  in psi_fop_release()
1251 	return single_release(inode, file);  in psi_fop_release()