On Wed, 2006-06-21 at 00:21 +0200, Pieter Palmers wrote: > Hi all, > > This weekend I've discovered a (serious) kernel scheduling latency issue > with the current ieee1394 kernel drivers. Before I submit something > about this to lkml, I'd like some more tests. I've been able to > reproduce this on two different machines, so I suspect that this is a > more general problem. > > The problem summary is that running ieee1394 ISO traffic can cause > scheduling latency spikes up to 1ms, even for RT threads with higher > priority. >
Latency tracer output please? Use 2.6.16 with this patch: http://people.redhat.com/mingo/latency-tracing-patches/latency-tracing-v2.6.16.patch Lee
