Re: [PATCH 00/23] per device dirty throttling -v8

Bill Davidsen
2007-08-10T04:17:29Z

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