Messages in this thread | | | From | Jean Delvare <> | Subject | Re: [PATCH] IPMI: Add parameter to limit CPU usage in kipmid | Date | Sat, 19 Dec 2009 14:56:04 +0100 |
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Le jeudi 17 décembre 2009 23:08, Corey Minyard a écrit : > I cleaned up the patch some. I added some state results to the list of > things to be busy waited for (should improve performance a bit) and > changed the schedule_timeout_interruptible back to 1, since that's > what it's supposed to be. And I added some comments.
Thanks for doing this!
> I did some testing on my system here. On my system, kipmid uses almost > no CPU normally. If I set the kipmid_max_busy_us value to 500, the > interface was more than 5 times slower. I had to set the value up to > 35000 for it to go back to the normal performance, and it was pretty > linear between the two values. So this is definiately not for all > systems. > > Can you try this out to make sure its ok?
I don't have any hardware where I can test this myself. But hopefully Martin does?
Thanks, -- Jean Delvare Suse L3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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