LatencyMon checks if a system running Windows is suitable for processing real-time audio and other tasks.

It analyzes the possible causes of buffer underruns by measuring kernel timer latencies and reporting DPC and ISR execution times as well as hard page faults. It will provide a comprehensible report and find the kernel modules and processes responsible for causing audio latencies which result in dropouts. It also provides the functionality of an ISR monitor, DPC monitor, and a hard page fault monitor.

LatencyMon will display the highest latencies of a kernel timer and report the highest execution times of ISR and DPC routines as well as hard page faults. In most cases, it will also find the drivers and processes responsible for executing them. It will create a comprehensible report which also displays all sampled data in a detailed manner allowing you to perform in-depth analysis.

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How to Diagnose Sound Delays, Lags and Audio Latency in Windows 10