On Wed, 2 Jul 2008, Wolfgang Grandegger wrote: > > Steven Rostedt wrote: > > On Tue, 1 Jul 2008, Wolfgang Grandegger wrote: > >> I continue this thread because it's still not understood why enabling > >> CONFIG_RCU_TRACE is necessary to get reasonable latencies on the > >> MPC5200. It might also explain, why I get much worse latencies with > >> 2.6.25.8-rt7. > > > > Have you tried turning on ftrace? > > Hm, is it available for PowerPC? I have not found yet how to enable it. Hmm, should be. But I need to test it on my PPC box first before I can tell you for sure. If you don't see a way to enable it, perhaps I haven't updated the config options for PPC yet. -- Steve -- 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
