There are a few ways to check your DPC latency on Windows 10. One way is to use the Windows Performance Monitor tool. To do this, open the Windows Performance Monitor tool and select the "View > Show System Summary" option. This will display a summary of your system's performance, including your DPC latency.
Another way to check your DPC latency is to use the Windows Task Manager tool. To do this, open the Windows Task Manager tool and select the "Performance" tab. This will display a summary of your system's performance, including your DPC latency.
If you are experiencing high DPC latency, there are a few things you can do to try and improve it. One thing you can do is to disable any unnecessary devices or programs that may be running on your system. Another thing you can do is to update your drivers. If you are still experiencing high DPC latency, you may need to contact your hardware or software manufacturer for further assistance.