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[dm-devel] Re: Do not overload dispatch queue (Was: Re: IO scheduler based IO controller V10)




On Sat, 3 Oct 2009, Jens Axboe wrote:
> 
> Doesn't look too bad, all things considered. Apart from "stock" cfq,
> it's consistent. And being consistent is a Good Thing. Performance wise,
> it's losing out to "stock" but looks pretty competetive otherwise.

I agree. And I think the numbers for the kconsole test are pretty 
conclusive. That's a big improvement (on top of the already very 
impressive improvement).

> So far that looks like a winner. The dictator wanted good latency, he's
> getting good latency. I'll continue working on this on monday, while I'm
> waiting for delivery of the Trabant.

Trabant?

As in the car? 

Why would you _ever_ wait for delivery? The sane option would be to try to 
hide, or run away?

			Linus


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