bin/60385: vmstat/iostat/top all fail to report CPU usage (still in 5.3R)

[Thomas Novin]

The following reply was made to PR bin/60385; it has been noted by GNATS.

From: Thomas Novin <thnov at xyz.pp.se>
To: Dima Dorfman <dd at freebsd.org>
Cc: freebsd-gnats-submit at freebsd.org
Subject: Re: bin/60385: vmstat/iostat/top all fail to report CPU usage
  (still in 5.3R)
Date: Fri, 19 Nov 2004 08:33:20 +0100

 # sysctl kern.clockrate
 kern.clockrate: { hz = 100, tick = 10000, profhz = 1024, stathz = 128 }
 # sysctl kern.timecounter
 kern.timecounter.stepwarnings: 0
 kern.timecounter.nbinuptime: 1600002999
 kern.timecounter.nnanouptime: 4200
 kern.timecounter.nmicrouptime: 2047672
 kern.timecounter.nbintime: 518528232
 kern.timecounter.nnanotime: 146335
 kern.timecounter.nmicrotime: 518381897
 kern.timecounter.ngetbinuptime: 0
 kern.timecounter.ngetnanouptime: 16793514
 kern.timecounter.ngetmicrouptime: 558311521
 kern.timecounter.ngetbintime: 0
 kern.timecounter.ngetnanotime: 0
 kern.timecounter.ngetmicrotime: 90967573
 kern.timecounter.nsetclock: 14
 kern.timecounter.hardware: TSC
 kern.timecounter.choice: TSC(800) i8254(0) dummy(-1000000)
 kern.timecounter.tick: 1
 # sysctl vm.loadavg
 vm.loadavg: { 2.13 1.78 1.33 }
 # fgrep Timecounter /var/run/dmesg.boot
 Timecounter "i8254" frequency 1193182 Hz quality 0
 Timecounter "TSC" frequency 1196221361 Hz quality 800
 Timecounters tick every 10.000 msec
 Timecounter "i8254" frequency 1193182 Hz quality 0
 Timecounter "TSC" frequency 1196219615 Hz quality 800
 Timecounters tick every 10.000 msec
 # while [ 1 ] ; do sysctl kern.cp_time && sleep 5 ; done
 kern.cp_time: 0 0 0 0 0
 kern.cp_time: 0 0 0 0 0
 kern.cp_time: 0 0 0 0 0
 kern.cp_time: 0 0 0 0 0
 kern.cp_time: 0 0 0 0 0
 kern.cp_time: 0 0 0 0 0
 # cd /usr/local/
 # /usr/bin/time ls -R > /dev/null
          3.11 real         0.00 user         0.19 sys
 
 # uname -a
 FreeBSD hawk.xxx.net 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Mon Nov  8 
 15:06:10 CET 2004     root at hawk.xxx.net:/usr/obj/usr/src/sys/VER_53  i386
 
 One system is Tyan S2510 (or S2518) motherboard. 1 x 1,2GHz PIII CPU.
 Also noted on another system with Tyan Thunder S2510 motherboard. 1,13GHz 
 PIII CPU.
 
 These systems have reported CPU usage without problem on 4.x.