Re: [PATCH] proposed scheduler enhancements and fixes

From: Andi Kleen (ak@muc.de)
Date: Sat Feb 26 2000 - 12:17:28 EST

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dimitris@cthulhu.engr.sgi.com (Dimitris Michailidis) writes:
>
> All tests I've tried (lat_ctx, dbench, parallel make, etc.) show improvement
> with this patch. However, I noticed that context switch times have gone down
> the toilet in recent kernel versions. On my machine lat_ctx -s 0 2 used to be
> a bit over 2. With 2.3.47 it has sky rocketed to 4.25 and with the patch it
> reduces to 3.95. All I know at this point is that it happened sometime after
> 2.3.40.

Is this on SMP or UP ? 2.3.43 introduced the softnet changes, which among
others include a completely new implementation of bottom halves.

-Andi

-- This is like TV. I don't like TV.

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