Using TSC without disabling ACPI
dudu at dudu.ro
Thu Mar 22 16:28:39 UTC 2007
On 3/22/07, Lowell Gilbert <freebsd-questions-local at be-well.ilk.org> wrote:
> "Vlad GALU" <dudu at dudu.ro> writes:
> > Hello list, I've been trying to use TSC without disabling ACPI
> > and I failed. Is there a way I can achieve that? As long as ACPI was
> > in use, the system always chose ACPI-fast.
> It varies a bit with the FreeBSD version, but did you try setting the
> kern.timecounter.hardware sysctl?
Yes, sure. It is ignored unless I completely disable ACPI.
If it's there, and you can see it, it's real.
If it's not there, and you can see it, it's virtual.
If it's there, and you can't see it, it's transparent.
If it's not there, and you can't see it, you erased it.
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