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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Roberto Bielli <roberto.bielli@axelsw.it>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] high latency with imx6q without smp
Date: Thu, 03 Oct 2013 15:27:00 +0200	[thread overview]
Message-ID: <524D70A4.6020007@xenomai.org> (raw)
In-Reply-To: <524D2C77.6050706@axelsw.it>

On 10/03/2013 10:36 AM, Roberto Bielli wrote:
> Hi,
> 
> i reduced drastically the latency disabling the cpu frequency scaling -> 
> CONFIG_CPU_FREQ ( max 25us ).

This seems a bit too good to be true. Chances are higher to approach the
real worst case latency on a system under load.

-- 
                                                                Gilles.


  reply	other threads:[~2013-10-03 13:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-01 12:24 [Xenomai] high latency with imx6q without smp Roberto Bielli
2013-10-01 12:26 ` Gilles Chanteperdrix
2013-10-01 12:50   ` Roberto Bielli
2013-10-01 19:10     ` Gilles Chanteperdrix
2013-10-03  8:36       ` Roberto Bielli
2013-10-03 13:27         ` Gilles Chanteperdrix [this message]
2013-10-03 13:33           ` Drasko DRASKOVIC
2013-10-03 13:51             ` Roberto Bielli
2013-10-03 14:07               ` Gilles Chanteperdrix

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