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Date:      Mon, 25 Jul 2016 06:59:57 +0100
From:      tech-lists <tech-lists@zyxst.net>
To:        freebsd-virtualization@freebsd.org
Subject:   Re: some bhyve guests showing high load on host
Message-ID:  <8e9b5956-9fe1-2bc4-31d1-45905618f0a0@zyxst.net>
In-Reply-To: <57956EA0.3090007@ShaneWare.Biz>
References:  <e899fc63-8676-ca81-127a-1ac7ac8acb6d@zyxst.net> <57956EA0.3090007@ShaneWare.Biz>

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On 25/07/2016 02:42, Shane Ambler wrote:
> 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

You know, I didn't think of that. There's 7 or so VMs. I can't check
them all right now as some need notification, but I will check them all.
The ones I have checked so far *do* have -H specified; I expect the two
remaining showing 400% CPU haven't...

Many thanks,
-- 
J.



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