Posts: systemtap

Thanks, SystemTap!

I started this week's work with the idea of instrumenting the spufs module found in Linux/Cell to be able to take some traces of the execution of Cell applications. At first, I modified that module to emit events at certain key points, which were later registered in a circular queue. Then, I implemented a file in /proc so that a user-space application could read from it and free space from the queue to prevent the loss of events when it was full.

December 2, 2007 · Tags: cell, linux, systemtap
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