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Date: Tue, 28 Jan 2014 19:40:12 -0800
From: Peter Grehan <grehan@freebsd.org>
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To: Andrea Brancatelli <abrancatelli@schema31.it>
Subject: Re: BHyVe - ESXi comparison
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> Tomorrow we'll rearrange everything and redo all the testing.

  One more item: when running the test with 20 x 2-vCPU VMs, make sure 
that the "-P" option is being used. This forces bhyve to do a vmexit 
when a PAUSE instruction is hit e.g. when the locking code starts 
spinning. This gives the scheduler more opportunity to run something 
else rather than letting the VM go until it's quantum expires.

later,

Peter.