Petri Helenius wrote:
Mark Kirkwood wrote:
As I understand it, when you activate SMP a more accurate, but slower
timecounter is chosen (typically 'i8254' instead of 'TSC' on intel HW).
ACPI-fast should be the default with SMP. It's significantly faster than
i8254
Yeah - if his Dell has ACPI enabled. However, ACPI-fast is still slower
than say TSC.
Eric, do you want to show us the output of
$ sysctl kern.timecounter
with and without SMP?
Cheers
Mark
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