From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Thierry Bultel <thierry.bultel@wanadoo.fr>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] iMX6q 1Hz tick
Date: Tue, 11 Dec 2012 16:36:39 +0100 [thread overview]
Message-ID: <50C75307.8020400@xenomai.org> (raw)
In-Reply-To: <50C75094.3070906@wanadoo.fr>
On 12/11/2012 04:26 PM, Thierry Bultel wrote:
> Gilles,
>
> another issue (likely related, and that may help to diagnose) that I can
> see is that time is completely wrong;
>
> For instance:
>
>
> [root@buildroot ~]# time sleep 10
>
> real 0m10.009s
> user 0m0.002s
> sys 0m0.013s
>
> The system says that it spent 10 secs but I actually measured 25 secs.
No, that is likely because you have CONFIG_CPU_FREQ or CONFIG_CPU_IDLE
enabled.
--
Gilles.
next prev parent reply other threads:[~2012-12-11 15:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 13:28 [Xenomai] iMX6q 1Hz tick Thierry Bultel
2012-12-07 18:34 ` Gilles Chanteperdrix
2012-12-09 20:06 ` Thierry Bultel
2012-12-09 23:54 ` Gilles Chanteperdrix
2012-12-10 14:53 ` Thierry Bultel
2012-12-10 16:01 ` Gilles Chanteperdrix
2012-12-10 16:31 ` Thierry Bultel
2012-12-10 17:37 ` Gilles Chanteperdrix
2012-12-10 18:34 ` Thierry Bultel
2012-12-10 18:56 ` Gilles Chanteperdrix
2012-12-10 20:02 ` Thierry Bultel
2012-12-10 20:19 ` Gilles Chanteperdrix
2012-12-10 21:09 ` Thierry Bultel
2012-12-10 21:22 ` Gilles Chanteperdrix
2012-12-11 15:26 ` Thierry Bultel
2012-12-11 15:36 ` Gilles Chanteperdrix [this message]
2012-12-11 16:01 ` Thierry Bultel
2012-12-11 16:50 ` Gilles Chanteperdrix
2012-12-11 17:30 ` Thierry Bultel
2012-12-11 17:40 ` Gilles Chanteperdrix
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