On Fri, 17 Aug 2007, Mathieu Desnoyers wrote:
> Why do you printk inside the timing period ? Filling the printk buffers
> or outputting on things such as serial console could really hurt your
> results.
It was easier to code?
> I hope you run your system with idle=poll and without frequency scaling
> at all, because otherwise your cycle count would be completely off on
> many AMD and Intel CPUs. You can have a look at this (very rough)
> document on the topic:
The cpu will definitely not be idle during these measurements and no
frequency scaling is active.
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