| Platform SDK: Performance Monitoring |
Windows NT 4.0 and later: Count per time interval. Typically used to track number of items queued or waiting.
| Element | Value |
|---|---|
| X | CounterData |
| Y | PerfTime |
| Time base | PerfFreq |
| Data Size | 8 Bytes |
| Display Suffix | No suffix |
| Calculation | (X1-X0)/(Y1-Y0) |