A user asked for recommendations to diagnose high Peak User Input Delays. Another user suggested zooming in on the time of the delay and checking memory usage. They also shared how to find information on what application is slow to respond to user input. The discussion then focused on how to identify the cause of a slow application, often due to resource constraints. The team provided examples, such as MMCexe processing event logs, and suggested that more resources may not always solve the issue.
Read the entire ‘Troubleshooting High Peak User Input Delays in ControlUp’ thread below:
Does anyone have any recommendations for what to check to try to see what is causing high Peak User Input Delays. Sorry, new user, only been on Edge DX for just over a month now; still learning.
Good question! I’m sure the experts would have a proper answer but I generally zoom in to the time of the delay then look up at the memory usage at that time
what is causing user input delay as in:
- What is causing an application to be slow to respond to user input
- Or what application is slow to respond to user input
Because 2 I can answer. 1 might be more abstract.
Configuration > Data > process_stops
sort by average_user_input_delay or peak_user_input_delay
The reason I was checking Edge endpoint metrics was because the user was complaining of poor performance on his CAD VM (GPU-enabled); data metrics looked in CU VDI-DaaS, so I started looking at the endpoint metrics. High Peak User Input Delay was the metric that stood out.
why is MMCexe’s user input delay so high? Hard to say but I’d guess its processing windows event logs and just isn’t refreshing the UI while it does that. Which means that it isn’t processing mouse and keyboard input.
Not sure you can fix that with more resources. It’s just the way the eventvwr MMC plugin is written.
Same concept applies to other applications. Could it be that ApplicationA is slow to process user input because of some resource constraint? Like could it be that the machine is CPU bound and therefor some application was slow to respond? Yes. But typically it is a lot less obvious, like the MMC example.
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