Messages in this thread | | | Subject | Re: Process priority in 2.4.18 (RedHat 7.3) | Date | Fri, 17 May 2002 14:01:30 +0100 (BST) | From | Alan Cox <> |
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> On Fri, May 17, 2002 at 01:49:21PM +0100, Alan Cox wrote: > > I think its mostly #2. We invoke ksoftirq far far too easily. > > ksoftirqd + SCHED_FIFO is like no ksoftirqd at all, provided the ne card > is irq driven (it is) everything works like it was working in 2.4.0.
For a 10Mbit ne2k it ought to be if its done with sched fifo. For serious devices its not. The ksoftirqd bounce blows everything out of cache and is easily measured
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