Core Duo - only one cpu being used

Darren Pilgrim darren.pilgrim at
Fri May 5 02:47:24 UTC 2006

Eric Anderson wrote:
> Forgive me if I've missed this on a list somewhere, but My new laptop 
> with a Core Duo doesn't seem to use both CPU's.  It sees both, but I 
> never see anything on cpu 1.  Here's a top snippet:

Your top output shows a single process eating the CPU.  A single process 
can't span CPUs, so you're only going to see one CPU in use.  You need 
to do something in parallel, like make -j N where N > 1.

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