linux-kernel - Re: balance storm

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Message-ID: <5385881D.4090601@huawei.com>
Date:	Wed, 28 May 2014 14:54:21 +0800
From:	Libo Chen <libo.chen@...wei.com>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
CC:	<tglx@...utronix.de>, <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	"Li Zefan" <lizefan@...wei.com>, <peterz@...radead.org>,
	Huang Qiang <h.huangqiang@...wei.com>
Subject: Re: balance storm

On 2014/5/28 9:53, Mike Galbraith wrote:
> On Wed, 2014-05-28 at 09:04 +0800, Libo Chen wrote:
> 
>> oh yes, no tsc only hpet in my box.
> 
> Making poor E5-2658 box a crippled wreck.

yes,it is. But cpu usage will be down from 15% to 5% when binding cpu, so maybe read_hpet
is not the root cause.

thanks,
Libo

> 
> -Mike
> 
> 
> 


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