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.
Wolfgang.
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