Re: High load average on disk I/O on 2.6.17-rc3

From: Bill Davidsen
Date: Fri May 12 2006 - 10:04:54 EST


Bernd Eckenfels wrote:
Erik Mouw <erik@xxxxxxxxxxxxxxxxxxxxx> wrote:
... except that any kernel < 2.6 didn't account tasks waiting for disk
IO. Load average has always been somewhat related to tasks contending
for CPU power.

Actually all Linux kernels accounted for diskwaits and others like BSD based
not. It is a very old linux oddness.

Well, sort of. The current numbers are counting kernel threads against load average, and before there were kernel threads that clearly didn't happen. So what you say is true, but it's only a part of the truth.

--
-bill davidsen (davidsen@xxxxxxx)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me

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