Re: [PATCH 2.4.20-aa1] Readlatency-2

Con Kolivas
2002-12-06T11:31:53Z

>Con Kolivas wrote:
>> io_load:
>> Kernel [runs] Time CPU% Loads LCPU% Ratio
>> 2.4.20 [5] 203.4 33 40 15 3.07
>> 2.4.20aa1 [3] 238.3 27 46 15 3.60
>> 2.4.20aa1rl2 [3] 302.5 22 63 16 4.57
>
>Something must have gone wrong here. rl2 cannot be worse than
>2.4.20 in this test.
>
>Umm, quick sanity check:
>
>2.4.20-rl2 321.44 147% 96 24%
>2.4.20 361.70 130% 108 24%
>
>So only a 10% speedup, but certainly not a 50% slowdown. (That is
>on scsi).
>
>Maybe a patch preparation problem?

Dunno. This was just the patch mcp submitted which applies to aa1. Check the
top message in this thread. No doubt rl2 makes serious improvements to
vanilla 2.4.20 as a previous thread showed.

Con
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