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?
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