Jan Kiszka wrote: > Karl Reichert wrote: > >> I can't look into this soon, but it has high priority for time I will > >> have test equipment in reach again! > >> > > Thanks Jan! Keep informed the list then, please ;) > > Would really like to know why this happens, although it's not so > critical to my project. > > /me would really like to understand this as well. Assuming your driver > is rt_e1000 and that already the first sync frame shows abnormal > latencies, could you try this patch with the I-pipe tracer enabled [1]? > Use "echo 16000 > /proc/ipipe/trace/backtrace_points", "echo 1 > > /proc/ipipe/trace/verbose", and grab the result from > /proc/ipipe/trace/frozen. > > Thanks in advance, > Jan > > > [1] http://www.xenomai.org/index.php/I-pipe:Tracer It's written there: 'To enable tracing support, go the the "Kernel hacking" section of the kernel configuration and switch on "I-pipe debugging" and then "I-pipe tracing".'
I do not find this point in my 2.6.20 kernel. There is 'Latency tracing', is this what they mean? If so, I have to recompile my kernel and it can take some time till you get my results, cause I'm busy at the moment. But I will give you the results, for sure. Karl -- von Karl Reichert Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users