On Fri, 2010-01-08 at 11:14 +0100, Gilles Chanteperdrix wrote: > Hi, > > due to bugs, it may happen that the latency test spots are due to > involuntary mode switches to secondary mode. This is bad, because users > testing xenomai quickly on their platform may find a bad latency, and go > quickly to conclusions without even posting a mail on the mailing lists. > > Avoiding this looks simple: we should enable T_WARNSW on the sampling > thread, and make it the default behaviour. But unfortunately, there are > platforms around such as some low-end ppc where switches to secondary > mode are normal, so stopping the test when hitting such mode switches > may not be the best thing to do. > > So, what do you think should be done? >
Let's report those switches in the test output without stopping it, so that we may have some hints when pathological latencies happen. -- Philippe. _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
