Siemens U3585-J-Z125-8-76 1, SM2 monitoring system manual SM2 monitored variables, IOs

SM2 monitoring program		SM2 monitored variables
	Monitored variable	Description
	Files (continued)
	File access statistics	Number of PAM-WAIT, PAM-CHECK-READ, PAM-WRITE
		operations and input/output operations per second for one file.
		Distribution of input/output operations to files for selected disks.
	File access times	Average access time in milliseconds for each input/output.
	IOs
	Number of input/output operations	Number of input/output operations per second.
	Number of paging input/output
	operations
	Channel utilization and channel	Number of input/output operations or transferred PAM blocks
	transmission rates	per channel.
	Device utilization and transmission	Device utilization in % without/because of paging activities.
	rates
	Length of device queues	Number of input/output requests addressed to a device.
	Duration of input/output operations	Hardware operating time between SDV command and channel
		interruption for input/output operations of a specific device,
		measured in milliseconds.
	Access distribution to cylinders/	Cylinder number/PAM block addressed for input/output
	PAM blocks of disks	operation.
	Number of input/output operations	Number of input/output operations per second.
	Communication
	Response times	Average time in seconds between the receipt of a message on
		the system and the sending of a response to the application.
	Transaction times	Average time in seconds between input and the last output.
	Thinking time	Time between an output and the resulting subsequent input.
	Wait time	Average wait time for incoming messages before being
		processed by the application.
	Transaction rate	Number of transactions per second.
	Length of transaction message	Average length in bytes of input/output messages for selected
		connection sets.
	Number of input/output operations	Number of read/write accesses per second, and the number of
	of network devices	bytes transferred.
	Network transmission rate	Transmission rate for all TCP/IP connections; data transfer
		information for specific connections.
	Table 2: SM2 monitored variables

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