Re: [PATCH] kvm-vmx: add module parameter to avoid trapping HLT instructions (v2)

Chris Wright
2010-12-03T17:59:11Z

* Srivatsa Vaddagiri (vatsa@linux.vnet.ibm.com) wrote:
> On Fri, Dec 03, 2010 at 09:29:06AM -0800, Chris Wright wrote:
> > That's what Marcelo's suggestion does w/out a fill thread.
>
> There's one complication though even with that. How do we compute the
> real utilization of VM (given that it will appear to be burning 100% cycles)?
> We need to have scheduler discount the cycles burnt post halt-exit, so more
> stuff is needed than those simple 3-4 lines!

Heh, was just about to say the same thing ;)