On Thu, Dec 05, 2002 at 05:45:51AM +0800, John Summerfield wrote: > On Wed, 4 Dec 2002, Post, Mark K wrote: > > > Sergey, > > > > Nothing is taking all the CPU. The system is idling. That's why it's a > > bug. :) > > Load average doesn't mean CPU. I don't kn0w just what it _does_ mean, > but during times of stress I''ve seen high loadaverage AND high wait. > I/O contributes to loadaverage.
Load Average are the number of processes which - are ready to run (eather on the cpu or in the wait queue for the cpu) - are in uninterruptble sleep state (happens when the process waits for resources in the kernel) So it is possible to have no process on the cpu, but a load average of one. Ihno > > There was nothing else active when I ran this test, and as you can see > there was little CPU work involved. > [root@orange root]# uptime;time dd if=/dev/hda of=/dev/null bs=1024k > count=1024;uptime > 5:42am up 5 days, 10:14, 19 users, load average: 0.17, 0.25, 0.15 > 1024+0 records in > 1024+0 records out > > real 1m22.574s > user 0m0.018s > sys 0m13.588s > 5:44am up 5 days, 10:15, 19 users, load average: 0.87, 0.46, 0.23 > [root@orange root]# > > > > -- > > > Cheers > John. > > Join the "Linux Support by Small Businesses" list at > http://mail.computerdatasafe.com.au/mailman/listinfo/lssb -- Ihno Krumreich [EMAIL PROTECTED] SuSE Linux AG S390 & zSeries Deutschherrnstr. 15-19 +49-911-74053-439 90429 N|rnberg http://www.suse.de
