Kernel Timeslice

Gilboa Davara gilboad at gmail.com
Mon Nov 17 17:59:28 UTC 2008


On Mon, 2008-11-17 at 12:49 -0500, Steve West wrote:
> > Steve West wrote:
> >> I am running Fedora 9 x86 64 bit. What is the kernel timetick per
> >> thread? How many threads per second does the kernel run?
> > Probably not quite what you are asking but here goes:
> > http://kerneltrap.org/node/464
> > 
> > run for a few seconds:
> > $ vmstat 1
> > 
> > look at system|in = interrupts per second.
> > this is approximately the interupts per second or timer Hz value.
> > 
> > from the kernel config parameter HZ_1000 etc:
> > getconf CLK_TCK
> > 
> > DaveT.
> Is there ay way to set the ticks without rebuilding the kernel?
> 
> Steve
> 

Nope.
HZ is a static definition. (#define'ed in
linux/include/asm-$ARCH/param.h)

- Gilboa




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