K 10
svn:author
V 3
ian
K 8
svn:date
V 27
2018-01-06T22:56:48.249668Z
K 7
svn:log
V 393
MFC r325108:

Improve the performance of the hpet timer in bhyve guests by making the
timer frequency a power of two.  This changes the frequency from 10 to
16.7 MHz (2 ^ 24 HZ).  Using a power of two avoids roundoff errors when
doing arithmetic in sbintime_t units.

Testing shows this can fix erratic ntpd behavior in guests using the
hpet timer (which is the default for multicore guests).

END