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SubjectRe: [PATCH] Minor scheduler fix to get rid of skipping in xmms
Nick Piggin wrote:

>
> Steven Pratt wrote:
>
>> Nick Piggin wrote:
>>
>>> Steven Pratt wrote:
>>>
>>>>
>>>> I gave this a try on the same setup that I am using for the
>>>> regression tests and the scheduler tests for Andrew. What I got
>>>> was the following oops:
>>>
>>>
>>> Hi Steven,
>>> This is with the complete sched-rollup-v14.gz or sched-rollup-nopolicy?
>>
>>
>> This is with the complete sched-rollup-v14.gz.
>>
>
> OK, I've fixed a bug that might be causing that...
> Any chance you could grab my new version from:
> http://www.kerneltrap.org/~npiggin/v15/
> And give it another go. If you get an oops, could you make sure you've
> compiled with debugging info (-g), and use add2line on vmlinux using the
> crashing EIP, please?

Well, it oopsed the first time so I rebuilt with debugging on and it
didn't die. Not sure what debuggin info will do to the results, but
since some of them went up I thought I'd let you see them anyway. I
might be out tomorrow so I might not be able to follow up until Monday.

SPECSDET
2.6.0-test5 2.6.0-test5piggin
Threads Ops/sec Ops/sec %diff diff tolerance
---------- ------------ ------------ -------- ------------ ------------
1 3232 3248 0.50 16.00 96.96
4 11794 11606 -1.59 -188.00 353.82
16 19008 18723 -1.50 -285.00 570.24
64 18736 17679 -5.64 -1057.00 562.08 *


SPECJBB
2.6.0-test5 2.6.0-test5piggin
# of WHs OPs/sec OPs/sec %diff diff tolerance
---------- ------------ ------------ -------- ------------ ------------
1 10118.42 10100.65 -0.18 -17.77 303.55
4 35316.38 35037.34 -0.79 -279.04 1059.49
7 54126.17 54290.86 0.30 164.69 1623.79
10 56906.64 56703.59 -0.36 -203.05 1707.20
13 51589.86 55509.08 7.60 3919.22 1547.70 *
16 41410.52 51366.41 24.04 9955.89 1242.32 *
19 32944.48 33693.62 2.27 749.14 988.33

VOLANOMARK
2.6.0-test5 2.6.0-test5piggin
Msgs/sec Msgs/sec %diff diff tolerance
---------- ------------ ------------ -------- ------------ ------------
1 40915 42606 4.13 1691.00 1227.45 *



Steve

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