linux-kernel - Re: [RFC] Patch: dynticks: idle load balancing

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Message-ID: <20070116113505.GA6294@elte.hu>
Date:	Tue, 16 Jan 2007 12:35:05 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
Cc:	vatsa@...ibm.com, clameter@....com, tglx@...utronix.de,
	arjan@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC] Patch: dynticks: idle load balancing

Suresh,

on the latest -rt kernel, when the dynticks load-balancer is enabled, 
then a dual-core Core2 Duo test-system increases its irq rate from the 
normal 15/17 per second to 300-400/sec - on a completely idle system(!). 
Any idea what's going on? I'll disable the load balancer for now.

	Ingo
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