Provides information about I/O controllers.
You need not enable any configuration parameters for this monitoring table to collect data.
The columns for monIOController are:
Name |
Datatype |
Attributes |
Description |
---|---|---|---|
InstanceID |
int |
(Cluster environments only) ID of an instance in a shared-disk cluster. |
|
ControllerID |
int |
ID of the I/O controller |
|
KTID |
int |
ID of the kernel task |
|
EngineNumber |
int |
Engine that owns this controller |
|
BlockingPolls |
bigint |
Counter |
Number of blocking polls |
NonBlockingPolls |
bigint |
Counter |
Number of nonblocking polls |
EventPolls |
bigint |
Counter |
Number of polls returning an event |
NonBlockingEventPolls |
bigint |
Counter |
Number of nonblocking polls returning an event |
FullPolls |
bigint |
Counter |
Number of polls returning the maximum number of events |
Events |
bigint |
Counter |
Number of events polled |
EventHWM |
bigint |
Counter |
Highest number of events returned in a single poll |
Pending |
int |
Counter |
Number of pending I/O operations |
Completed |
bigint |
Counter |
Number of completed I/O operations |
Reads |
bigint |
Counter |
Number of read or receive operations |
Writes |
bigint |
Counter |
Number of write or send operations |
Deferred |
bigint |
Counter |
Number of I/O operations deferred or delayed |
Type |
varchar(30) |
I/O controller type |