The KernelModeTime property indicates the raw counter data from the performance counter type PERF_SIZE_LARGE | PERF_TYPE_COUNTER ...

The KernelModeTime property indicates the raw counter data from the performance counter type 
PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | PERF_DISPLAY_PERCENT
The counter data is in 100 nanosecond units.