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RE: [Xen-devel] [PATCH] Make HZ a boot-time configurable

That would be ideal, I wasn't aware that that was up for discussion.


On Mon, 9 May 2005, Ian Pratt wrote:

> > I understand the trade-offs that xen is currently optimized 
> > for. However, I don't think that HZ=100 is right for all 
> > places and all times. I also think that users would 
> > appreciate it if they didn't have to go edit config.h and 
> > re-compile if they wanted to change HZ. For those using xen 
> > as a platform for development it probably makes sense if HZ 
> > is the same as the kernel they intend to ship. For example, 
> > very early on in testing with HZ=1000 I hit an interrupt race 
> > condition in XenFreeBSD that I have never seen before.
> I'd really prefer to kill the periodic ticker in Xen altogether. If
> domains want a periodic ticker they should just set their alarm timer
> appropriately.
> Ian
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