z/VM: CP Commands and Utilities Reference - z/VM - IBM

QUERY THROTTLE
QUERY THROTTLE
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Query
Authorization
Purpose
Operands
THROTtle
Usage Notes
Responses
ALL
▼
rdev
rdev1-rdev2
Privilege Class: B, E
Use QUERY THROTTLE to display the devices being throttled and their I/O rates.
ALL
tells CP to display all the real devices that are being throttled, their I/O rates
and any delays that have occurred for the given devices. ALL is the default.
rdev
rdev1-rdev2
is the real device number or range of real device numbers for which you want
I/O throttling information.
1. To change I/O throttling on your system, use the SET THROTTLE command
(page 1403).
Response 1:
To display all of the real devices in the I/O throttling list and their current I/O rates,
enter the following QUERY THROTTLE command:
query throttle all
I/O throttling is currently active. 2 device(s) are in the list
Device 0701 has 6 delays. Rate is 1 I/Os per second
Device 0702 has 0 delays. Rate is 2 I/Os per second
Ready;
Response 2:
To query throttling of a specified device enter the following QUERY THROTTLE
command:
query throttle 702
Device 0702 has 0 delays. Rate is 2 I/Os per second
Ready;
Response 3:
1030 z/VM: CP Commands and Utilities Reference
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