some bhyve guests showing high load on host

Shane Ambler FreeBSD at ShaneWare.Biz
Mon Jul 25 01:48:09 UTC 2016


On 25/07/2016 02:10, tech-lists wrote:
> Hi,
>
> Why is WCPU so high? The guests corresponding to these processes are all
> linux guests; they aren't showing much load at all (0.05-0.1). Given
> this fact, I'm at a loss as to what to debug or how.

How are you starting your bhyve's? Are you using the -H option?

 From man bhyve -
-H  Yield the virtual CPU thread when a HLT instruction is
     detected. If this option is not specified, virtual CPUs will
     use 100% of a host CPU.

-- 
FreeBSD - the place to B...Software Developing

Shane Ambler



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