]> granicus.if.org Git - postgresql/commitdiff
Clarify FreeBSD instructions in pg_test_timing.
authorBruce Momjian <bruce@momjian.us>
Thu, 30 Aug 2012 22:38:00 +0000 (18:38 -0400)
committerBruce Momjian <bruce@momjian.us>
Thu, 30 Aug 2012 22:38:00 +0000 (18:38 -0400)
Josh Kupershmidt

doc/src/sgml/pgtesttiming.sgml

index 45ee80c23dbec333c2fc7004c28e5c8151db4467..a2581d269c6c6903a2817fa90073ce6cf29951df 100644 (file)
@@ -183,8 +183,13 @@ Histogram of timing durations:
    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>
 
@@ -277,7 +282,7 @@ Histogram of timing durations:
   </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.