From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <21175505.1231747787507.JavaMail.ngmail@domain.hid> Date: Mon, 12 Jan 2009 09:09:47 +0100 (CET) From: "M. Koehrer" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: [Xenomai-help] Xenomai and Perfmon2? List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org Hi everybody, I am using Xenomai for real time system that has to compute complex simulat= ions. For that, not only real time behaviour but also computation power is releva= nt. I am using Intel's Core 2 Duo/Quad CPUs. The perfom2 package (http://perfmon2.sourceforge.net/) allows to access the= CPU's perfomance monitoring registers fairly easily. It contains a kernel patch and a user mode frontend. I have now tried to apply the Xenomai patch (first) and the perfom2 patch (= second) which seems to work (some slight modifications on the perfom2 patch have been necessary) partia= lly. I can now use the system-wide mode of pfmon, however I can not attach from = pfmon to a running realtime task (the kernel freezes), but at least the system-wide mode is qu= ite helpful. My questions to this combination: - Can the perfmon2 kernel patch somehow destroy the real time behaviour of = the Xenomai executable? - I am mostly interested in things like EIST mode (Intel speed Step) change= s, bus access delays etc. Is there more simple way to access this information but using the perfom2 p= atch? Thanks for any response on that questions! Mathias --=20 Mathias Koehrer mathias_koehrer@domain.hid Jetzt komfortabel bei Arcor-Digital TV einsteigen: Mehr Happy Ends, mehr He= rzschmerz, mehr Fernsehen! Erleben Sie 50 digitale TV Programme und optiona= l 60 Pay TV Sender, einen elektronischen Programmf=FChrer mit Movie Star Be= wertungen von TV Movie. Au=DFerdem, aktuelle Filmhits und spannende Dokus i= n der Arcor-Videothek. Infos unter www.arcor.de/tv