Re: [PATCH] usb: hcd: allow wakeups while suspended for Moorestown

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On Thu, Apr 07, 2011 at 09:56:54AM -0700, Kristen Carlson Accardi wrote:
> > Have you made timing/performance studies, comparing (for example) USB 
> > disk throughput with and without threaded interrupts?
> >
> 
> I could never do this with all the different types of hw.  I suggest
> that if you decide to move to a threaded irq you have a long period of
> testing time where people can determine whether or not it impacts
> performance on their own hw.  Just from googling I can see that tglx
> did some performance analysis, but you'd have to ask him what the
> findings were.

I asked him about this an hour ago, and he found that he got a
performance increase in USB throughput switching to threaded irqs,
especially for usb-storage devices.

So I'm all for it now, send me the patch and let's see what breaks :)

thanks,

greg k-h
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