Timings in RTEMS

Oleg Moroz oleg_moroz at yahoo.com
Thu Sep 22 12:48:12 UTC 2011


>We used to include that in a manual

In which files?


>________________________________
>From: Joel Sherrill <joel.sherrill at oarcorp.com>
>To: Oleg Moroz <oleg_moroz at yahoo.com>
>Cc: Rtems <rtems-users at rtems.org>
>Sent: Thursday, September 22, 2011 4:25 PM
>Subject: Re: Timings in RTEMS
>
>On 09/22/2011 07:18 AM, Oleg Moroz wrote:
>> Sorry. I mean some document that contains times what RTEMS needed to execute some actions like a context switching, interrupt service or something else.
>> 
>All the timing information that is available can be reproduced
>by anyone by running the "tmtests" and "psxtmtests" on the
>desired hardware target.
>
>We used to include that in a manual but the burden of
>keeping it up to date was too much.  To be sure it was
>always right, it had to be regenerated for every target
>of interest on every minor release.  Even the times
>files in a lot of the BSPs are based upon not current
>versions.  They are probably accurate enough but....
>
>If you are can't run the tests on some board comparable
>to what you are interested in, then ask on the list.  I
>am sure someone will be happy to share.
>
>--joel
>
>>     ------------------------------------------------------------------------
>>     *From:* Sebastian Huber <sebastian.huber at embedded-brains.de>
>>     *To:* rtems-users at rtems.org
>>     *Sent:* Thursday, September 22, 2011 4:13 PM
>>     *Subject:* Re: Timings in RTEMS
>> 
>>     On 09/22/2011 02:09 PM, Oleg Moroz wrote:
>>     >
>>     >
>>     > I'm using the SPARC. I'm not really want see real time of
>>     switching. I want to
>>     > see something like specification.
>> 
>>     What do you mean with specification?
>> 
>>     --     Sebastian Huber, embedded brains GmbH
>> 
>>     Address : Obere Lagerstr. 30, D-82178 Puchheim, Germany
>>     Phone  : +49 89 18 90 80 79-6
>>     Fax    : +49 89 18 90 80 79-9
>>     E-Mail  : sebastian.huber at embedded-brains.de
>>     <mailto:sebastian.huber at embedded-brains.de>
>>     PGP    : Public key available on request.
>> 
>>     Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>>     _______________________________________________
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>> 
>> 
>
>
>-- Joel Sherrill, Ph.D.             Director of Research&  Development
>joel.sherrill at OARcorp.com        On-Line Applications Research
>Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>   Support Available             (256) 722-9985
>
>
>
>
>
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