linux-kernel - Re: [RFC] maximum latency tracking infrastructure

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Date:	Fri, 25 Aug 2006 09:56:37 +0200
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Matt Mackall <mpm@...enic.com>
CC:	linux-kernel@...r.kernel.org, len.brown@...el.com
Subject: Re: [RFC] maximum latency tracking infrastructure

Matt Mackall wrote:
> On Thu, Aug 24, 2006 at 07:41:35PM +0200, Arjan van de Ven wrote:
>> Subject: [RFC] maximum latency tracking infrastructure
>> From: Arjan van de Ven <arjan@...ux.intel.com>
>>
>> The patch below adds infrastructure to track "maximum allowable latency" for power
>> saving policies.
> 
> Looks good. But it will also be important to have a user-level way to
> report who is constraining us from power saving and by how much of a
> margin.
> 

there is in the patch:

echo l > /proc/sysreq-trigger
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