Re: [RFC PATCHSET] workqueue: implement concurrency managedworkqueue

[Ingo Molnar]

* Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:

> On Thu, Oct 01 2009, Ingo Molnar wrote:
> > My main worry is that in practice workqueues arent all that performance 
> > critical - so we are shooting to optimize something that doesnt 
> > necessarily use all the potential goodness inherent in this approach.
> 
> Well, the main problem with the current code is that per-cpu 
> workqueues are way abused. I don't look at this patchset from a 
> performance point of view, but rather a way to limit this huge number 
> of idle and pointless threads. [...]

I do look at it as a potentially (and primarily) big performance feature 
- if only it was utilized in a place where the performance aspect 
mattered.

Sure, the memory savings are nice too.

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/