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From: Michael Levasseur <levass@gdesystems.com>
Subject: Re: Need help with PowerPC/Ada and realtime tasking
Date: 1996/05/21
Date: 1996-05-21T00:00:00+00:00	[thread overview]
Message-ID: <4nsmkn$bon@gde.GDEsystems.COM> (raw)
In-Reply-To: EACHUS.96May20180337@spectre.mitre.org


A few years back I worked on the Sea Wolf program that had
very Hard Real-time requirements, required numerous interrupts
from different devices.

To make the system guarentee processing of interrupts within a
certain amount of time we had to do Rate Monotonic Analysis to
guarentee the maximum delay in scheduling of interrupt servicing
and the maximum processing times.

The tasking must be done with great care. You must make sure
that what is performed in the task is only what needs to be,
you must also understand how the Run-time system handles task.
Yuo also need to have the minumum number of tasks that are truelly
needed.


Just my two cents worth.....





  reply	other threads:[~1996-05-21  0:00 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1996-05-17  0:00 Need help with PowerPC/Ada and realtime tasking Dave Struble
1996-05-18  0:00 ` JP Thornley
1996-05-20  0:00   ` Robert I. Eachus
1996-05-21  0:00     ` Michael Levasseur [this message]
1996-05-21  0:00   ` Richard Riehle
1996-05-25  0:00     ` JP Thornley
1996-05-27  0:00       ` Robert Dewar
1996-05-28  0:00         ` JP Thornley
1996-05-29  0:00           ` Ken Garlington
1996-05-29  0:00             ` Robert A Duff
1996-05-30  0:00               ` JP Thornley
1996-05-31  0:00                 ` Ken Garlington
1996-06-02  0:00                   ` JP Thornley
1996-06-03  0:00                     ` Ken Garlington
1996-05-30  0:00               ` Software Safety (was: Need help with PowerPC/Ada and realtime tasking) Ken Garlington
1996-05-30  0:00                 ` Robert Dewar
1996-06-02  0:00                   ` JP Thornley
1996-06-03  0:00                   ` Robert A Duff
1996-06-05  0:00                     ` Norman H. Cohen
1996-06-07  0:00                       ` Ken Garlington
1996-06-12  0:00                         ` Norman H. Cohen
1996-06-12  0:00                           ` Ken Garlington
1996-06-08  0:00                       ` Robert Dewar
1996-06-08  0:00                         ` Robert A Duff
1996-05-31  0:00                 ` Robert A Duff
1996-06-03  0:00                   ` Ken Garlington
1996-05-25  0:00     ` Need help with PowerPC/Ada and realtime tasking JP Thornley
1996-05-27  0:00       ` Darren C Davenport
1996-05-30  0:00         ` Ralph E. Crafts
1996-05-31  0:00           ` JP Thornley
1996-06-03  0:00             ` Ken Garlington
1996-05-28  0:00       ` Tasking in safety-critical software (!) (was Re: Need help with PowerPC/Ada and realtime tasking) Kevin F. Quinn
1996-05-28  0:00   ` Need help with PowerPC/Ada and realtime tasking Robert I. Eachus
1996-05-30  0:00     ` JP Thornley
1996-06-03  0:00       ` Ken Garlington
1996-05-28  0:00   ` Robert I. Eachus
1996-05-30  0:00     ` JP Thornley
1996-05-31  0:00   ` Robert I. Eachus
1996-06-03  0:00   ` Ralph Paul
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