On Wed, Jan 09, 2008 at 10:50:21AM +0100, Wolfgang Grandegger wrote: > Robert Schwebel wrote: > > On Tue, Jan 08, 2008 at 04:49:47PM +0100, Robert Schwebel wrote: > >> This is on an idle system: > > > > I've quickly ported the patch stack to 2.6.24-rc5-rt1, and it doesn't > > really work: > > > > ----------8<---------- > > root@phyCORE-MPC5200B-tiny:~ cyclictest -n -p80 -t1 -i10000 -l 1000 > > 0.44 0.35 0.15 1/44 483 > > > > T: 0 ( 483) P:80 I: 10000 C: 992 Min: -490034 Act: -410032 Avg: -243020 Max: -10 > > ----------8<---------- > > > > Even on an idle system I get negative values and a "running" Act value. > > > > I'll have to clean up the patch stack and check what's going on. > > Are the high-res timers enabled? I also need the patch for the serial > driver posted in a previous mail. Nope, I have CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_HZ_100=y CONFIG_HZ=100 CONFIG_PREEMPT_RT=y CONFIG_PREEMPT=y CONFIG_PREEMPT_SOFTIRQS=y CONFIG_PREEMPT_HARDIRQS=y CONFIG_PREEMPT_BKL=y CONFIG_PREEMPT_RCU=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_ASM_SEMAPHORES=y and your patch was already in, it was proposed by tglx here: http://marc.info/?l=linux-rt-users&m=118539051805065&w=2 Thomas, can you apply the patch? Robert -- Robert Schwebel | http://www.pengutronix.de OSADL Testlab @ Pengutronix | http://www.osadl.org - 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
