From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.66.102.36 with SMTP id fl4mr1120716pab.20.1391721163214; Thu, 06 Feb 2014 13:12:43 -0800 (PST) X-Received: by 10.140.36.37 with SMTP id o34mr218956qgo.10.1391721163116; Thu, 06 Feb 2014 13:12:43 -0800 (PST) Path: border1.nntp.dca3.giganews.com!backlog3.nntp.dca3.giganews.com!backlog3.nntp.ams3.giganews.com!backlog3.nntp.ams.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!feeder.erje.net!eu.feeder.erje.net!news.glorb.com!c10no11300077igq.0!news-out.google.com!y18ni4938qap.1!nntp.google.com!f11no13212060qae.1!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Thu, 6 Feb 2014 13:12:42 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=189.77.226.1; posting-account=TRgI1QoAAABSsYi-ox3Pi6N-JEKKU0cu NNTP-Posting-Host: 189.77.226.1 References: <5e8fad3a-94e6-4517-af54-db8b4146803e@googlegroups.com> <858uto3cj3.fsf@stephe-leake.org> <1lg4oeejbp1e5$.h5mrspzez74h$.dlg@40tude.net> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <05af11ec-d8bf-49e0-9d16-67afbba7423e@googlegroups.com> Subject: Re: Raspberry Pi, Real-Time and Ada From: "Rego, P." Injection-Date: Thu, 06 Feb 2014 21:12:43 +0000 Content-Type: text/plain; charset=ISO-8859-1 X-Original-Bytes: 1688 Xref: number.nntp.dca.giganews.com comp.lang.ada:184690 Date: 2014-02-06T13:12:42-08:00 List-Id: Hello Simon, On Thursday, February 6, 2014 10:16:40 AM UTC-3, Simon Clubley wrote: > I've seen a number of reports about how much overhead there is within > Linux when trying to drive the GPIO lines on the Raspberry Pi, so I can > easily believe that it _is_ a OS level issue. Maybe these reports are available on the internet? It would be very good to take a look on them if possible. Thanks.