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

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Message-ID: <20070130135709.B32010@unix-os.sc.intel.com>
Date:	Tue, 30 Jan 2007 13:57:09 -0800
From:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>, 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

Sorry for the delayed response. I was away on vacation.

Please let me know if you still see this issue with the latest -rt kernel.

thanks,
suresh

On Tue, Jan 16, 2007 at 12:35:05PM +0100, Ingo Molnar wrote:
> 
> 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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