Re: 2.6.0-test4-mm5

[Nick Piggin <piggin@cyberone.com.au>]

Mike Fedyk wrote:

>On Thu, Sep 04, 2003 at 01:08:52AM +0200, Diego Calleja Garc?a wrote:
>
>>El Tue, 2 Sep 2003 23:18:12 -0700 Andrew Morton <akpm@osdl.org> escribi?:
>>
>>
>>>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm5/
>>>
>>>. Dropped out Con's CPU scheduler work, added Nick's.  This is to help us
>>>  in evaluating the stability, efficacy and relative performance of Nick's
>>>  work.
>>>
>>>  We're looking for feedback on the subjective behaviour and on the usual
>>>  server benchmarks please.
>>>
>>
>>I must say that this one doesn't feel nice under heavy gcc load. Huge mp3
>>skips that didn't happened before, big pauses in X...gcc starves anything else.
>>-mm4 was better there.
>>
>
>Can you put your Xserver back to nice -10, and try again?
>

This would help X, but regardless mp3 playing should not skip. I think its
giving newly forked children much too high a priority. Basically new 
children
can't get less than 50% sleep time, which is stupid on my behalf because a
program which continually forks children that do a little bit of work then
exit would basically be at 50% sleep time when it should be at or close 
to 0.