High interrupt load on VIA C3 machine

Peter Jeremy peterjeremy at optushome.com.au
Sun Sep 2 02:54:34 PDT 2007


On 2007-Sep-01 23:56:30 +0100, Bruce Cran <bruce at cran.org.uk> wrote:
>The VIA C3 supports 2 frequencies - 531 and 265 MHz.  The high interrupt 
>load only occurs when I set dev.cpu.0.freq to 265, which makes sense.

Half the clock rate implies twice the interrupt load - it it should be
about 3.5% at 531MHz if its 7% at 265MHz.  If you're seeing something
significantly different then there is some other factor at work.

-- 
Peter Jeremy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20070902/e906b240/attachment.pgp


More information about the freebsd-current mailing list