Back on Sunday 06 July 2008, schoappied was like:
>
> should I have this enabled? I seems weird to set it to No_HZ if further
> on Hz is set to 1000 ... or do i misunderstand this item?
>
> Tickless System (Dynamic Ticks) (NO_HZ)
>
> This option enables a tickless system: timer interrupts will
> only trigger on an as-needed basis both when the system is
> busy and when the system is idle.
>
It's sort of like using a callback rather than polling to deal with
interrupts. (not literally, but the analogy works)
It's great for laptops because it helps preserve battery power. It _sounds_
like it might be a cool option for real time, but I've tried it and it caused
all kinds of problems with real time performance. (It also totally hosed
compiz)
-Reuben
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Received on Mon Jul 7 04:15:03 2008
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