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Date: Fri, 05 May 2006 12:22:24 +0800
From: Erich Dollansky <oceanare@pacific.net.sg>
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To: Eric Anderson <anderson@centtech.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Core Duo - only one cpu being used
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Hi,

Eric Anderson wrote:
> 
>   PID USERNAME    THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
>    11 root          1 171   52     0K     8K CPU1   0   0:00 99.02% 
> idle: cpu1
>  2653 root          1 128    0 18564K 17560K RUN    0   0:01 34.00% cc1plus

could it be that it is just a problem with top itself?

It cannot be that CPU1 uses 99% for the idle process and 34% for the 
compiler.

Play with the other sort options. You might find the the idle process 
for CPU0.

Erich