information about the timer selected during boot:
<screen>
-dmesg | grep "Timecounter"
-sysctl kern.timecounter.hardware=TSC
+# dmesg | grep "Timecounter"
+Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
+Timecounter "i8254" frequency 1193182 Hz quality 0
+Timecounters tick every 10.000 msec
+Timecounter "TSC" frequency 2531787134 Hz quality 800
+# sysctl kern.timecounter.hardware=TSC
+kern.timecounter.hardware: ACPI-fast -> TSC
</screen>
</para>
</para>
<para>
- Timers used on older PC hardware including the 8254 Programmable Interval
+ Timers used on older PC hardware include the 8254 Programmable Interval
Timer (PIT), the real-time clock (RTC), the Advanced Programmable Interrupt
Controller (APIC) timer, and the Cyclone timer. These timers aim for
millisecond resolution.