On Wed, 2011-06-01 at 13:14 +0200, [email protected] wrote: > I performed some measurements with the Xenomai latency test. > In case somebody is interested I attached the results for our PPC-System > (5200B 400MHZ). > In this document I also compared latencies of kernel 2.4 with kernel > 2.6. > Any comments are welcome, especially whether the values I measured are > reasonable for a 400MHZ PPC. >
Yes, they look like ok but the CPU frequency is not what makes the difference, the performance of the memory subsystem does - particularly since ppc MMU management is software-assisted. We would have more significant information by comparing Xenomai 2.5.6 over Linux 2.4.25. > Roderik > > -------------------------------------------------------- > manroland AG > Vorsitzender des Aufsichtsrates: Hanno C. Fiedler > Vorstand: Gerd Finkbeiner (Vorsitzender), Dr. Ingo Koch, Dr. Markus Rall, > Paul Steidle > Sitz der Gesellschaft: Offenbach am Main, Registergericht: Amtsgericht > Offenbach HRB-Nr. 42592 > USt-Ident-Nr. DE 250200933 > _______________________________________________ > Xenomai-help mailing list > [email protected] > https://mail.gna.org/listinfo/xenomai-help -- Philippe. _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
