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Jan Engelhardt wrote:
On Oct 14 2007 15:06, Aniruddha wrote:
On Sun, 2007-10-14 at 14:52 +0200, Jan Engelhardt
realtime kernel. I thought you could figure since
this is a kernel-related list.
There is no need to talk in a demeaning manner, please watch your tone.
What is the exact difference between kernel-rt and the kernel-default
Technically speaking, the config options: http://rafb.net/p/ciyR0n64.html
While the config options do play a role, the bigger difference is an
additional 1.6 MB patch that gets applied to the -rt tree that
changes the latency behaviors in a lot of areas. With a few exceptions,
most spinlocks become sleeping locks. It targets low latency rather than
overall throughput. Realtime simulations use it, so the behavior of the
system is more predictable. I've also seen favorable reports from users
doing audio/video work as well. In general, though, it's not really what
you want for your default system.
It's the only kernel we ship where the source tree differs between
flavors. In the long term, we hope to eliminate that distinction, but
there are too many parts of -rt that can't be built conditionally and we
don't want to suck it all in for ever flavor.
- Note: This patch is different than the one in the CVS repo
since we have to port it to our kernel source. However, for
demonstration purposes, it's sufficient. The changes were
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