Re: [Xenomai-help] Error while building Xenomai on Powerpc with instrument function entries enabled

2008-10-07 Thread Philippe Gerum
Giammarco Zacheo wrote: > Thank you. There's no hurry actually, just reporting the bug. > > If there's something I can do to help... > I have no efika board at hand, but just booted a plain lite5200 IceCube successfully, with all tracing options enabled. This is a DENX-originated kernel (tagged

Re: [Xenomai-help] Error while building Xenomai on Powerpc with instrument function entries enabled

2008-10-07 Thread Philippe Gerum
Philippe Gerum wrote: > Giammarco Zacheo wrote: >> Thank you. There's no hurry actually, just reporting the bug. >> >> If there's something I can do to help... >> > > I have no efika board at hand, but just booted a plain lite5200 IceCube > successfully, with all tracing options enabled. This is a

Re: [Xenomai-help] Interrupt latency questions

2008-10-07 Thread Wolfgang Grandegger
Hello, Antonio Del Cinque wrote: > Hi, > sorry, I needed time to implement your suggestions, but finally I got > some results. I checked for cache related issues, and found that latency > is highly related to cache misses. > > I found the way to disable the instruction cache (the e300 powerpc cor

Re: [Xenomai-help] Error while building Xenomai on Powerpc with instrument function entries enabled

2008-10-07 Thread Philippe Gerum
Giammarco Zacheo wrote: > It boots either with I-pipe support enabled and disabled. > > I can also boot with latency tracing enabled, if 'Instrument function > entries' is not enabled. > Ok, so back to square #1. It's indeed a problem with mcount() referring to unmapped memory at early init time.

[Xenomai-help] question concerning xeno-test, latency, cyclic

2008-10-07 Thread juergen . lanner
We now found the reason for the really huge values and the complete hangup: I am using a core 2 processor but didn't set the processor type within the kernel configuration correctly. Now I get good results again. Regards juergen Posted by juergen . lanner on September 03, 2008 - 11:45: