The acpihpet timer is, in my testing, lots better than the acpitimer.
Faster to read and more precise. They should not have the same quality
value. Double acpihpet.
Index: acpihpet.c
===================================================================
RCS file: /cvs/src/sys/dev/acpi/acpihpet.c,v
retrieving revision 1.13
diff -u -p -r1.13 acpihpet.c
--- acpihpet.c 10 Jan 2011 13:36:57 -0000 1.13
+++ acpihpet.c 15 Aug 2012 14:59:40 -0000
@@ -44,7 +44,7 @@ static struct timecounter hpet_timecount
0xffffffff, /* counter_mask (24 bits) */
0, /* frequency */
0, /* name */
- 1000 /* quality */
+ 2000 /* quality */
};
#endif
