Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.32-2

[Ingo Molnar]

* Eran Mann <emann@xxxxxxx> wrote:

> On my machine, disabling CONFIG_LATENCY_TRACE causes the kernel to
> stop reporting preempt latencies. After
>
> # echo 1 > /proc/sys/kernel/preempt_max_latency
> 
> /proc/sys/kernel/preempt_max_latency always shows 1 no matter what
> load is on the machine. I´ve seen this behavior since the first time I
> tried to disable CONFIG_LATENCY_TRACE, around V0.7.31.something.

indeed - there was a thinko in trace_stop_sched_switched() that likely
caused this problem. Does the -32-8 patch (freshly uploaded) work better
for you?

	Ingo
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