Messages in this thread | | | Date | Thu, 23 Jun 2005 01:57:20 +0200 | From | Andrea Arcangeli <> | Subject | Re: PREEMPT_RT vs I-PIPE: the numbers, part 2 |
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On Wed, Jun 22, 2005 at 07:38:27PM -0400, Karim Yaghmour wrote: > Bare in mind here that what we're trying to find out with such > tests is what is the bare minimum cost of the proposed rt > enhancements to Linux, and how well do these perform in their > rt duties, the most basic of which being interrupt latency.
Agreed. I think it makes more sense to keep comparing it against the UP kernel with preempt disabled, since most embedded devices aren't smp.
> To be honest, however, I have a very hard time, as a user, to > convince myself that I should enable preempt_rt under any but > the most dire situations given the results I now have in front
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