USB I/O Counters
Namespace value is root/CIMV2.
WMI Provider value is WmiPerfInst.
Displays the average size of all transfer URBs. For device instances only.
Avg number of ms between the current frame and the start frame of an ISO transfer when scheduled. For device instances only.
Displays the current bulk transfer rate in bytes/sec.
A short textual description (one-line string) for the statistic or metric.
Displays the current control transfer rate in bytes/sec.
Displays the rate of PCI interrupt generation by the USB controller. For controller instances only.
Displays the current rate Work Signals generated per second by the usbport driver. For controller instances only.
A textual description of the statistic or metric.
Incremented each time the controller async cache is flushed.
Non-Zero value if the host controller async schedule is not running(idle).
Non-zero value if the host controller is not running(idle).
Incremented each time the controller periodic cache is flushed.
Non-Zero if the periodic schedule is not running(idle).
Displays the current interrupt transfer rate in bytes/sec.
Displays the current isochronous transfer rate in bytes/sec.
Number of ISO packets that are NOT late, but complete with an error. For device instances only.
The Name property defines the label by which the statistic or metric is known. When subclassed, the property can be overridden to be a Key property.
Displays the percentage of BW reserved for interrupt transfers
Displays the percentage of BW reserved for ISO transfers
Number of Transfer URBs completing with an error status. For device instances only.
Method not found.
SELECT * FROM Win32_PerfFormattedData_usbhub_USB
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WMI Environment is Windows Server 2008 R2 Enterprise Edition.
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