LatencyMon пишет, что норма:
Your system appears to be suitable for handling real-time audio and other tasks without dropouts.
LatencyMon has been analyzing your system for 0:11:24 (h:mm:ss) on all processors.
Highest measured interrupt to process latency (µs): 425.034928
Average measured interrupt to process latency (µs): 3.834257
Highest measured interrupt to DPC latency (µs): 415.342649
Average measured interrupt to DPC latency (µs): 1.509649
Highest ISR routine execution time (µs): 325.994989
Driver with highest ISR routine execution time: portcls.sys - Port Class (Class Driver for Port/Miniport Devices), Microsoft Corporation
Highest reported total ISR routine time (%): 0.343466
Driver with highest ISR total time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Total time spent in ISRs (%) 0.468953
ISR count (execution time <250 µs): 1297398
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 2
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 µs): 0
ISR count (execution time >=4000 µs): 0
Highest DPC routine execution time (µs): 446.395880
Driver with highest DPC routine execution time: ndis.sys - NDIS (Network Driver Interface Specification), Microsoft Corporation
Highest reported total DPC routine time (%): 0.731209
Driver with highest DPC total execution time: USBPORT.SYS - Драйвер порта USB 1.1 и 2.0, Microsoft Corporation
Total time spent in DPCs (%) 1.856952
DPC count (execution time <250 µs): 3174346
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 189
DPC count (execution time 1000-2000 µs): 0
DPC count (execution time 2000-4000 µs): 0
DPC count (execution time >=4000 µs): 0