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SubjectRe: high power consumption in recent kernels
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On Wed, 2010-09-29 at 22:39 +0800, Norbert Preining wrote:
> Hi Alex,
>
> > Could you like to try the following patch on your system and see how
> > many power it consumption now?
>
> But this patch is excately what you send me already and what I tried
> and I answered in the last email?
>
> Do I miss something here?
>
> All the best
>
> Norbert
The following line is different, the new code remove the nohz_ratelimit
from irq_exit(). That may resolve your system too many interrupts
issue.

+ arch_needs_cpu(cpu)|| (inidle && nohz_ratelimit(cpu))) {




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