Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0

[Ingo Molnar]

* K.R. Foley <kr@xxxxxxxxxx> wrote:

> I use the rtc-debug and amlat to generate histograms of latencies
> which is what I was trying to do when I found the rtc problem the
> first time.  I believe that rtc-debug/amlat is much more accurate for
> generating histograms of latencies than realfeel is because the
> instrumentation is in the kernel rather than a userspace program.

ah, ok - nice. So rtc-debug+amlat is the only known-reliable way to
produce latency histograms?

Btw., rtc-debug's latency results could now be cross-validated with
-V0.4's wakeup tracer (and vice versa), because the two are totally
independent mechanisms.

	Ingo
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