Re: [patch] Auto-setting hz to 100 inside QEMU/VMWare

Am Fr, 28.12.2007, 09:03, schrieb Mike Silbersack:
>
> When running FreeBSD inside QEMU / VMWare, one of my pet peeves is that
> time is completely inaccurate.  This seems to be cured by setting
> kern.hz=100 (down from the default of 1000) in /boot/loader.conf, but I'm
> getting sick of doing that every time I set up a virtual box.
>
> So, here's a patch to have the kernel auto-detect that it's running inside
> one of those two environments and automatically make that adjustment.
>
> If you're running FreeBSD inside any other virtual environments
> (Parallels?  Microsoft Virtual PC?) and can detect them via data in kenv,
> I'll be happy to add them to the patch as well.
>
> I have only tested this patch in QEMU so far, I will test inside VMWare
> tomorrow.
>
> If anyone could review and/or test this, it would be appreciated.
>
> Thanks,

VirtualBox (QEMU based) has hint.acpi.0.oem="VBOX  ".

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