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Date: Mon, 10 Dec 2001 14:32:24 +0300
From: "Vladimir B.Grebenschikov" <vova@sw.ru>
Reply-To: "Vladimir B.Grebenschikov" <vova@sw.ru>
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Subject: bin/32667: systat waste too much time reading input
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>Number:         32667
>Category:       bin
>Synopsis:       systat waste too much time reading input
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Dec 10 03:40:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Vladimir B. Grebenschikov
>Release:        FreeBSD 5.0-CURRENT i386 or 4.4-RELEASE
>Organization:
SW Soft
>Environment:
System: FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #1: Sun Dec 2 12:07:55 MSK 2001 root@vbook.express.ru:/usr/local/src/sys/i386/compile/VBOOK i386
/usr/bin/systat from basic distribution
Have tried also on 4.4-RELEASE - same problem
>Description:
I have found that on same, not busy system top & systat runing
simulataniosly "eat" very different amount of CPU time, like:

CPU
5.37% systat
0.01% top

triing find out what happens, I have tried to run 
systat -vm 1 < /dev/null
And found that systat eats a lot of system resources during input 

  WCPU   CPU
 63.05% 16.36% systat

>How-To-Repeat:

$ systat -vm 1 < /dev/null

>Fix:

Not know
>Release-Note:
>Audit-Trail:
>Unformatted:

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