From owner-freebsd-bugs  Wed Jul 28 13:21:37 1999
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Date: Wed, 28 Jul 1999 13:19:36 -0700 (PDT)
From: Arjan.deVet@adv.iae.nl
To: freebsd-gnats-submit@freebsd.org
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Subject: bin/12858: patch to make systat -vmstat display # of dirtybuf and disk busy percentages
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>Number:         12858
>Category:       bin
>Synopsis:       patch to make systat -vmstat display # of dirtybuf and disk busy percentages
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jul 28 13:20:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Arjan de Vet
>Release:        3.2-stable
>Organization:
>Environment:
FreeBSD adv.iae.nl 3.2-STABLE FreeBSD 3.2-STABLE #1: Mon Jul 26 22:42:21 CEST 1999     root@adv.iae.nl:/home/src/sys/compile/ADV  i386

>Description:
I've created a patch (both for stable and current) to make
systat -vmstat display the number of dirty buffers and for each disk
the percentage of the time it was busy. See:

	http://www.iae.nl/users/devet/FreeBSD/

The patch also contains an update for the manual page.

Note: the percentage calculation is not always fully correct because the
devstat calls do not provide updates of the busy_time field as long
as a device is 100% busy.

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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