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Date: Tue, 7 Oct 2008 17:30:52 +0000
From: "Joseph Koshy" <joseph.koshy@gmail.com>
To: "Ryan Stone" <rysto32@gmail.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: pmcstat: should it fail when a cpu is disabled?
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> Is it intentional that pmcstat -c '*' <whatever> does not use the
> haltedcpus mask while pmcstat <whatever> will?

No, its just the way the code evolved.   Fixed in SVN #183672.

Koshy