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DateFri, 10 Aug 2007 00:17:29 -0400
FromBill Davidsen <>
SubjectRe: [PATCH 00/23] per device dirty throttling -v8
Andi Kleen wrote:
> richard kennedy <richard@rsk.demon.co.uk> writes:
>> This is on a standard desktop machine so there are lots of other
>> processes running on it, and although there is a degree of variability
>> in the numbers,they are very repeatable and your patch always out
>> performs the stock mm2.
>> looks good to me
> 
> iirc the goal of this is less to get better performance, but to avoid long user visible
> latencies.  Of course if it's faster it's great too, but that's only secondary.
> 
What a trade-off, if you want to get rid of long latency you have to 
live with better throughput. I can live with that. ;-)

Your point well taken, not the intent of the patch, but it may indicate 
where a performance bottleneck happens as well.

-- 
Bill Davidsen <davidsen@tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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