Date: Mon, 18 Jun 2018 11:06:34 +0200 From: Harry Schmalzbauer <freebsd@omnilan.de> To: freebsd-virtualization@freebsd.org Subject: =?UTF-8?Q?kern.hz_=e2=80=93_Windows_aequivalent=2c_high_CPU_usage_o?= =?UTF-8?Q?n_bhyve_copmared_to_ESXi?= Message-ID: <818fd155-0203-868f-96fc-fe68ab13c495@omnilan.de>
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Hello, has anybody found out if Windows does something similar as FreeBSD with kern.hz when running on a hypervisor? I haven't done meaningful measuring, but on bhyve I see 2-digit CPU load with idle windows (2012R2) guest. I never saw that on ESXi, it's much lower there, whil FreeBSD as guest on ESXi is even lower when idle. Can somebody confirm this difference? Is there a way to spoof hypervisor vendor string (from userland)? Resp. has anyone done that to see if windows behaviuor changes? Thanks, -harry
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