rr (debugging)
From Wikipedia, the free encyclopedia
In computing, rr is a debugging tool for Linux designed to record and replay program execution. During the replay phase, rr provides an enhanced gdb debugging experience that supports reverse execution.[1]
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rr was originally developed by Mozilla to debug Mozilla Firefox on commodity hardware and software.[2] rr is now widely used outside Mozilla and capable of debugging software such as Google Chrome, QEMU, and LibreOffice.[3] rr is free software.[4]