From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Kim Chuan Lim <lim.kim.chuan@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] RT timer help
Date: Thu, 13 Jul 2006 21:24:18 +0200 [thread overview]
Message-ID: <17590.40418.205139.609207@domain.hid> (raw)
In-Reply-To: <e325d110607131026qdb0aac8p53bb9f1ddad58181@domain.hid>
Kim Chuan Lim wrote:
> Hi Gilles,
>
> I print the result of rt_timer_read() for every output...
> > Do you see one line displayed every second, or one line every ten
> > seconds ?
>
> The latency program...
> display the line every second.
> different between each rt_timer_read() is roughly the same(~1000000000).
>
> my program...
> display the line every 10 second.
> different between each rt_timer_read() is roughly the same(~1000000000).
>
> May i know if the different of time maintained by the system timer are
> the same, why the output text displayed at different rate?
Your example runs fine here. Could you tell us more about your setup ?
What processor ? What configuration (are CONFIG_CPU_FREQ and
CONFIG_ACPI_PROCESSOR disabled and is hyper-threading enabled) ? Could
you send us your .config ? Is there any error message in the kernel logs
?
--
Gilles Chanteperdrix.
next prev parent reply other threads:[~2006-07-13 19:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-13 12:03 [Xenomai-help] RT timer help Kim Chuan Lim
2006-07-13 12:14 ` Gilles Chanteperdrix
2006-07-13 14:37 ` Kim Chuan Lim
2006-07-13 14:47 ` Gilles Chanteperdrix
2006-07-13 16:02 ` Kim Chuan Lim
2006-07-13 16:05 ` Gilles Chanteperdrix
2006-07-13 16:46 ` Kim Chuan Lim
2006-07-13 16:51 ` Gilles Chanteperdrix
[not found] ` <e325d110607131026qdb0aac8p53bb9f1ddad58181@domain.hid>
2006-07-13 19:24 ` Gilles Chanteperdrix [this message]
2006-07-14 8:24 ` Kim Chuan Lim
2006-07-14 8:51 ` Jan Kiszka
2006-07-14 10:13 ` Kim Chuan Lim
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