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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,4590cbe206fc9bb9 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.224.27.14 with SMTP id g14mr6132117qac.1.1347285033897; Mon, 10 Sep 2012 06:50:33 -0700 (PDT) Received: by 10.52.177.163 with SMTP id cr3mr1133651vdc.4.1347285033870; Mon, 10 Sep 2012 06:50:33 -0700 (PDT) Path: da15ni13100845qab.0!nntp.google.com!v8no1281989qap.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 10 Sep 2012 06:50:33 -0700 (PDT) In-Reply-To: <8a8cbce5-922d-47de-96ee-9880f104addd@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=192.91.173.42; posting-account=YkFdLgoAAADpWnfCBA6ZXMWTz2zHNd0j NNTP-Posting-Host: 192.91.173.42 References: <6dfcb108-01de-42e4-962a-87a9ac91741c@googlegroups.com> <87fw6u2abw.fsf@ludovic-brenta.org> <016ff78a-64f9-4a42-a079-e544526e2f8a@googlegroups.com> <87bohi26kl.fsf@ludovic-brenta.org> <0b591914-1915-4c8b-b0d5-ebf188fc2de4@googlegroups.com> <00367705-1c58-4ae1-9965-c6415feae8c3@googlegroups.com> <8a8cbce5-922d-47de-96ee-9880f104addd@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <59bde98d-3603-43ed-af4c-1b400e2fa570@googlegroups.com> Subject: Re: Stumped: Seg Fault with System.Secondary_Stack.SS_Mark() From: awdorrin Injection-Date: Mon, 10 Sep 2012 13:50:33 +0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Date: 2012-09-10T06:50:33-07:00 List-Id: On Saturday, September 8, 2012 9:23:26 AM UTC-4, (unknown) wrote: > This question is a little off topic, but may be of interest in general. >=20 > When moving from VxWorks to Linux, how are the performances in terms of s= peed ? i.e. do you have a rating between the execution on Linux vs Vxworks= ? >=20 > I ask the question because the performance of Ada RT code vs C/C++ is oft= en a matter of debate. At this point, I have no performance data gathered between the applications= . The largest concern for our application is how quickly and consistently we = can respond to the interrupts generated by an interface card in the system.= I'm using a Linux kernel with the PREEMPT_RT patches installed, and I beli= eve the system will perform fine.=20 But, until I get things stable and can evaluate our interface card using ha= rdware interrupts, I won't know for sure.