On Tue, 16 Jun 2009, Iratxo Pichel Ortiz wrote: > I have tried disabling the CONFIG_NOHZ kernel option. Of course the trace is > gone, but the weird behavior is still there. When I run my software without > load from the network, the main task of the system experiences runtimes of > about 700us. When I load the system, there are latencies of 50700us, so the > 50ms delay is again there, and again the time when the task finishes is always > X.296, 1 jiffy after the "NOHZ: pending..." was shown with CONFIG_NOHZ > enabled. What kind of system is this ? Can you please check whether you can reproduce with NOHZ=y and function tracer enabled ? That would be great. Thanks, tglx -- 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
