On Thu, Jan 10, 2008 at 02:17:02PM +0100, Wolfgang Grandegger wrote: > Unfortunately, it doesn't really help on my Icecube board. > > bash-3.00# ./cyclictest -n -p80 -i1000 > 129.85 93.18 38.05 4/45 6354 > 130.41 162.23 83.05 3/49 8395 > T: 0 ( 4621) P:80 I:1000 C: 477097 Min: 25 Act: 64 Avg: 67 Max: > 286 > > bash-3.00# ./hackbench 10 > Time: 95.402 > > Could you run your cyclictest much longer? I'll re-test with your parameters. > And hackbench takes ages, already without running cyclictest: > > bash-3.00# time ./hackbench 10 > Time: 83.157 > real 1m23.935s > user 0m5.692s > sys 1m18.240s > > With a standard non-rt kernel it just takes 10 seconds. > > bash-3.00# time ./hackbench 10 > Time: 9.690 > real 0m10.343s > user 0m0.404s > sys 0m9.928s > > Is this the normal/expected behavior under -rt? I've no idea where it comes from. Robert -- Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Hannoversche Str. 2, 31134 Hildesheim, Germany Phone: +49-5121-206917-0 | Fax: +49-5121-206917-9 - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html