public inbox for ecos-discuss@sourceware.org
 help / color / mirror / Atom feed
From: "R. Vamshi Krishna" <vamshi@cse.iitb.ac.in>
To: Kozo Kakehi <kakehi@kme.co.jp>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS]: Is eCos Hard Real Time OS ??
Date: Fri, 24 Jun 2005 12:54:00 -0000	[thread overview]
Message-ID: <42BC02AC.3070109@cse.iitb.ac.in> (raw)
In-Reply-To: <200506242130.JFG48907@vaio505r.kme.co.jp>



Kozo Kakehi wrote:

>Hello. Vamshi.
>
> I'm a one of user in japan.
>
>in <Pine.LNX.4.61.0506241710050.5855@mars.cse.iitb.ac.in>
>   "Re: [ECOS]: Is eCos Hard Real Time OS ??"
>   "R Vamshi Krishna <vamshi@cse.iitb.ac.in>" wrote
>
>  
>
>>Then what parts do I re-write to make it hard-real time ?
>>Because I want to use eCos but also I need a hard reak-time
>>OS.
>>    
>>
>
> Choose eCos is better idea, and fast enough for realtime application.
>
> I don't know how hard real-time you need in your system.
>Where or what is a border about hard vs soft real-time.
>
> In my experience, someone force very hard response to OS, it's a bad design
>about elements (threads, messaging, mutex..) or whole system. In such system,
>may crash cause critical design.
>
> Let's try to use current eCos, just as it is.
>  
>
I think I might have given the wrong impression.
I would like to add a compliance layer.

That means that if somebody does not want hard real-time behaviour, he 
continue using eCos normally.
But if hard real-time is needed then he will use the alternative. i.e 
some specific scheduler, drivers, some
specific API etc ..


>// Kozo Kakehi from Osaka
>// kakehi@kme.co.jp
>  
>


-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss

  reply	other threads:[~2005-06-24 12:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-24 11:07 R Vamshi Krishna
2005-06-24 11:27 ` Andrew Lunn
2005-06-24 11:41   ` R Vamshi Krishna
2005-06-24 12:32     ` Kozo Kakehi
2005-06-24 12:54       ` R. Vamshi Krishna [this message]
2005-06-24 12:38     ` Andrew Lunn
2005-06-24 12:52       ` R. Vamshi Krishna
2005-06-24 13:32         ` Andrew Lunn
2005-06-24 19:52 ` Fabian Scheler

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=42BC02AC.3070109@cse.iitb.ac.in \
    --to=vamshi@cse.iitb.ac.in \
    --cc=ecos-discuss@sources.redhat.com \
    --cc=kakehi@kme.co.jp \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).