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Real-time, low-latency kernels - Do I need one?

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http://crunchbang.org – If you're doing something like live MIDI controlling, then yes, it's good to have the lowest possible latency levels afforded by a RT kernel. If it's mostly recording, then you probably could get away with the standard kernels or slightly optimized kernels. It mostly depends on the type of application(s)  you're employing.The most important component of the RT patchset has generally been IRQ threading, which has been integrated into the mainline kernel since 2.6.39, if I remember correctly.  Whether it's enabled by default in the kernel you're using, you (HowTos)