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Date:      Fri, 9 Jul 1999 11:50:04 +1000
From:      "Andrew Johns" <A_Johns@TurnAround.com.au>
To:        "=?iso-8859-1?Q?Alejandro_Ram=EDrez?=" <ales@megared.net.mx>, <freebsd-questions@FreeBSD.ORG>
Subject:   RE: Uptime basics!!!
Message-ID:  <002201bec9ad$5d7d4ad0$4001a8c0@tasajohns.turnaround.com.au>
In-Reply-To: <023b01bec99f$6da27920$fba3f9cf@megared.net.mx>

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The load average figures are an indication of the number of processors
(ie:CPU's) that would be kept 100% busy by the current processes
(ie:programs) running on the machine.

So, load average = 1 implies you've got a busy machine which is using
100% of it's CPU(s) (irrespective of how many CPU's you have).  If the
load goes to 5.3, then you are running enough processes to keep 5 CPU's
100% busy and one more CPU at 30%.

Running real-time processes such as MPEG conversions, image
manipulations, etc will all strive to get 100% CPU usage, so running 2
together will give a load over 2, 3 together => load of 3, etc.

HTH

AJ

> -----Original Message-----
> From: owner-freebsd-questions@FreeBSD.ORG
> [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Alejandro
> Ramírez
> Sent: Friday, 9 July 1999 10:10
> To: freebsd-questions@FreeBSD.ORG
> Subject: Uptime basics!!!
>
>
> Hi,
>
>     I like to see the CPU usage at a given time, and when i
> write uptime
> command it gives me diferent values for 1,5 and 15 minutes
> average, but my
> simple question is wich its the highest value that a CPU can
> have, because I
> have notice that in sometimes it gives me 0.50, and in
> another times it
> givesme 2.35, and also I have seen numbers like 5.48 and I
> dont know how to
> interpret that in a % way.
>
> Thanks in Advance
>
> Ales
>
>
>
>
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