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Date: Fri, 13 Apr 2007 11:46:59 -0500
To: Michael Ellerman <michael@ellerman.id.au>
Subject: Re: [PATCH] hvc_console polling mode timer backoff
Message-ID: <20070413164659.GY4747@austin.ibm.com>
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From: linas@austin.ibm.com (Linas Vepstas)
Cc: linuxppc-dev@ozlabs.org
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On Fri, Apr 13, 2007 at 05:47:39PM +1000, Michael Ellerman wrote:
> 
> I played with this a bit more, and a ~2% increment seems to work nicely.
> It stays low for the first 10-20 seconds, but then approaches the max
> much faster once there's no activity for a while.
> 
> A few examples:
> http://michael.ellerman.id.au/files/cell-backoff.svg

Looks good to me. 

> changed it to use a shift instead of divide. So now it's more like 1.5%,
> but still the point is it increases faster as time passes.

Looks god to me. I suppose

Acked-by: Linas Vepstas <linas@austin.ibm.com> 

is the right thing to say here.

--linas