Re: regarding do_irq

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On Thu, Sep 9, 2010 at 1:10 PM, Dave Hylands <dhylands@xxxxxxxxx> wrote:
Well, check your CPU usage. It's probably less than 100%. Let's say
it's at 46%. That means that the system is spending 54% of its time
"doing nothing" or being idle.

>From a macroscopic level, it looks like the CPU is busy. But from a
microscopic level, the kernel is spending 540 millseconds out of every
second waiting for something to happen. Those 540 milliseconds are
when the kernel is idle.

--
Dave Hylands
Shuswap, BC, Canada
http://www.DaveHylands.com/

Thanks .

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