[OmniOS-discuss] Ang: Re: Ang: Re: r151014 KVM crash

Jorge Schrauwen sjorge+ml at blackdot.be
Mon Apr 6 17:56:36 UTC 2015


On 2015-04-06 19:55, Michael Rasmussen wrote:
> On Mon, 6 Apr 2015 19:22:08 +0200
> Johan Kragsterman <johan.kragsterman at capvert.se> wrote:
> 
>> -smp cores=2,threads=2 \
> I would use:
> cores=1,threads=4

Notable exception is for illumos, it barfs on that and dies. But yeah 
for other OS's that valid advice.
> 
> instead since smp tense to give problems if VM OS is having problems
> with smp. 99% of the time cores=1,threads=x performs smoother and
> better than cores=x,threads=y and without proper numa implementation
> using cores > 1 does not add anything to the picture.
> 
> smp is first interesting in qemu-2.2 when numa is introduced.
> 
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