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Date: Sun, 6 Jul 2014 14:32:12 +0300
From: Stefan Parvu <sparvu@systemdatarecorder.org>
To: freebsd-hackers@freebsd.org
Subject: run-queue length question
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Hi,

Im trying to understand what FreeBSD kernel counts for run-queue length. 

Traditional we count as queue length: number of processes which are running plus 
the number that are runnable (waiting to execute) - we *dont* count processes waiting 
for storage, network etc. 

Linux kernel has added into run-queue length the iowait processes which makes
load average values big and disproportionate to the reality for example during 
disk io tests.

How does FreeBSD handle this part ? Is the queue length simple the number of 
running processes + waiting to run or not as we used to have in UNIX world ?

Thanks,

-- 
Stefan Parvu <sparvu@systemdatarecorder.org>