Thursday, March 25, 2010

Virtual USB Analyzer

The Virtual USB Analyzer is a useful tool created by Micah Dowty and Scott Perry hosted on It's free to use and listed as a fling in vmware LABS, a diverse collection of free tools created by VMware engineers.

You have to run the analyzer in Linux but you can take the traces with any guest OS running on recent versions of VMware products. At the moment the Windows version of VMware Player is not supported, but you can use VMware Workstation, Fusion or the Player that runs on Linux. You can also load captures taken from the Linux usbmon utility and the Ellisys USB Explorer 200 hardware analyzer.

I'm using this to see how Linux configures a keyboard to diagnose a problem with an embedded USB host. I think it will also be very useful when working on a new USB device that you need to test with multiple operating systems.

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