Re: [PATCH 2.4.20-aa1] Readlatency-2

[Con Kolivas]

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>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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