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Message-ID: <3D2CA958.BEE16D98@zip.com.au>
Date: Wed, 10 Jul 2002 14:38:32 -0700
From: Andrew Morton <akpm@zip.com.au>
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To: Benjamin LaHaise <bcrl@redhat.com>
CC: "Grover, Andrew" <andrew.grover@intel.com>,
       Linux <linux-kernel@vger.kernel.org>
Subject: Re: HZ, preferably as small as possible
References: <59885C5E3098D511AD690002A5072D3C02AB7F88@orsmsx111.jf.intel.com> <3D2CA6E3.CB5BC420@zip.com.au> <20020710173555.D2005@redhat.com>
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Benjamin LaHaise wrote:
> 
> On Wed, Jul 10, 2002 at 02:28:03PM -0700, Andrew Morton wrote:
> > > But on the other hand, increasing HZ has perf/latency benefits, yes? Have
> > > these been quantified?
> >
> > Not that I'm aware of.  And I'd regard any such claims with some
> > scepticism.
> 
> The most obvious one is the reduced latency of select/poll timeouts.

OK, I'll grant that.  Why is this useful?

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