Messages in this thread | | | Date | Mon, 15 Dec 2008 09:09:25 +0100 | From | Arjan van de Ven <> | Subject | Re: is it a timer bug? |
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On Mon, 15 Dec 2008 15:07:17 +0800 "Shi, Alex" <alex.shi@intel.com> wrote:
> I notice the timer interrupts is quit high on the 2.6.28-rc8 kernel > in my Nehalem machine. A, 180+/second timer interrupts in my Nehalem > machine with tickless enable. B, the timer interrupts reduce to > 10-/second with tickless and highres enable. On 2.6.27 kernel, the > timer interrupts can keep low with tickless kernel whenever the > highres feature is enable or not. So it is timer bug on my machine? >
Hi,
can you give us the powertop output of these production Core i7 machines? That is the most likely way to get a clue about what is going on...
Greetings, Arjan van de Ven
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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