How can I monitor disk I/O speed?

Can you help me to add custom WMI monitors? Q: Can you help me to add a custom WMI monitor? For example, what query can be used to check disk C: Read & Write Bytes per Sec? A: The following custom WMI Query can be used: SELECT DiskBytesPerSec FROM Win32_PerfFormattedData_PerfDisk_LogicalDisk WHERE Name = "C:" In […]