Re: [PATCH 3/3] PM: Introduce Intel PowerClamp Driver

[Jacob Pan]

On Tue, 13 Nov 2012 16:03:00 -0800
"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> Just to make sure I am really understanding what is happening, let's
> suppose we have a HZ=1000 system that has a few tasks that
> occasionally run at prio 99.  These tasks would run during the clamp
> interval, but would (for example) see the jiffies counter remaining
> at the value at the beginning of the clamp interval until the end of
> that interval, when the jiffies counter would suddenly jump by roughly
> six counts, right?

Yes, if there is no interrupts disturb the clamping duration.
We do not mask interrupts which will update jiffies.

-- 
Thanks,

Jacob
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