[CentOS] tick_divider

Akemi Yagi amyagi at gmail.com
Thu Dec 6 15:58:47 UTC 2007


On Dec 6, 2007 7:47 AM, Scott McClanahan <scott.mcclanahan at trnswrks.com> wrote:
> Just installed CentOS 5.1 on VMware ESX and am attempting to play with
> the newly added tick_divider feature.  It doesn't seem to be making any
> difference in the number of timer interrupts though.  I set
> tick_divider=10 which should reduce the number of timer interrupts to
> 100.
>
> I wrote a nasty little scripts that queries /proc/interrupts every 1
> second and still see an increase each second in about 1000 interrupts.
>
> The server is:
>
> uname -srvmpio
>
> Linux 2.6.18-53.1.4.el5 #1 SMP Fri Nov 30 00:45:16 EST 2007 i686 i686
> i386 GNU/Linux
>
> Obviously not running 64bit.  Only one cpu has been allocated to this
> vm.  Has anybody else used this successfully?

Could you add your finding to the bug report dealing with this subject?

http://bugs.centos.org/view.php?id=2189

Thanks,

Akemi



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