Re: Few interrupts with NO_HZ

[Robert Hancock]

Jan Engelhardt wrote:
> Hi,
>
>
> this more of an informational question. So:
>
> kernel version is 2.6.22.1 on i686
>
> /proc/uptime 
> 9917.81 9140.90 (2h45m)
>
> /proc/cpuinfo:
>            CPU0
>   0:        282   IO-APIC-edge      timer
>
> this is kinda neat, I expected much more interrupts than just 282 since 
> boot. What kernel code actually uses the irq0 timer?

The kernel likely switched to using the local APIC timer after bootup..

--
Robert Hancock      Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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