Date: Sat, 14 Oct 2023 19:23:28 -0700 From: Paul Vixie <paul@redbarn.org> To: Sean McBride <sean@rogue-research.com> Cc: FreeBSD virtualization <freebsd-virtualization@freebsd.org> Subject: Re: bhyve guests: what clock source to use? Message-ID: <349797f7-e323-04ec-f643-521c27667041@redbarn.org> In-Reply-To: <415C25C7-27B1-4706-BD4B-D484E4B6787B@rogue-research.com> References: <415C25C7-27B1-4706-BD4B-D484E4B6787B@rogue-research.com>
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in the old days i used to have to hard wire it. now it picks the same value i used to hard code. ntpd encountered chaos with other values. kern.timecounter.hardware: TSC-low i don't know if this has become an urban legend since i last fought it. re: Sean McBride wrote on 2023-10-11 11:28: > Hi all, > > As part of debugging a problem I'm having, I'd like to understand: > > What clock source should bhyve guests use? tsc? hpet? acpi_pm? What are pros/cons of the choices? Does it depend on the guest OS? (for me FreeBSD and Ubuntu) Should it match the host? > > Thanks, > > Sean > -- P Vixie
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