QEMU USB Redirection - How much overhead (cpu usage & latency) is there compared to when connecting to passthroughed PCIe USB controller?

This page summarizes the projects mentioned and recommended in the original post on /r/VFIO

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  • hotplugger

    VirtIO (VFIO) USB Port passthrough helper

    • Well, I made hotplugger ( https://github.com/darkguy2008/hotplugger ) as an app to configure USB port redirection per VM, and I used it with my Corsair Void Elite Pro wireless headset, a Logitech MX Master 2 USB receiver and a standard Redragon keyboard. I didn't experience any kind of latency in any of them compared to running them in bare metal.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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