linux-kernel - Re: CPU clock throttled prints..

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Message-ID: <4F0EF253.7050308@gmail.com>
Date:	Thu, 12 Jan 2012 06:46:43 -0800
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Chen Gong <gong.chen@...ux.intel.com>
CC:	"R, Durgadoss" <durgadoss.r@...el.com>,
	"linux-x86_64@...r.kernel.org" <linux-x86_64@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: CPU clock throttled prints..

On 01/11/2012 06:11 PM, Chen Gong wrote:
> 于 2011/7/5 13:36, R, Durgadoss 写道:
>> Hi All,
>>
>> I am getting these prints in my Atom based device, running 2.6.35 kernel.
>>
>> [ 350.084005] CPU0: Temperature above threshold, cpu clock throttled
>> (total
>> events = 26)
>> [ 350.084029] CPU1: Temperature above threshold, cpu clock throttled
>> (total
>> events = 26)
>> [ 350.085293] CPU0: Temperature/speed normal
>> [ 350.085311] CPU1: Temperature/speed normal
>>
>> Seems like these are from therm_throt.c and the flow for this,
>> Starts from smp_thermal_interrupt(...) method.
>>
>> Can somebody tell me when this method gets called ?
>> Also, does this actually throttle the CPU ?
>>
>
> try to apply this patch 29e9bf1841e4f (x86, mce, therm_throt: Don't report
> power limit and package level thermal throttle events in mcelog)
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>

probably not the best solution, but I just ended up disabling the 
function in the kernel: (either its below or its under a different name)
X86_MCE_INTEL = n

this way when I watch hulu, dmesg is not spammed with something about 
"above threshold" by just watching a movie.

Justin P. Mattock
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