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Date:      Mon, 18 Oct 2010 14:12:50 -0500
From:      Adam Vande More <amvandemore@gmail.com>
To:        Martin Turgeon <freebsd@optiksecurite.com>
Cc:        Bas Smeelen <b.smeelen@ose.nl>, freebsd-questions@freebsd.org
Subject:   Re: How is CPU usage calculated?
Message-ID:  <AANLkTimT_4D4THvszdDS=U0UKtScGgKZEN4A9e8BB2%2Bf@mail.gmail.com>
In-Reply-To: <4CBC97CB.80604@optiksecurite.com>
References:  <20101015071719.1536f19e@mail.ose.nl> <4CBC97CB.80604@optiksecurite.com>

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On Mon, Oct 18, 2010 at 1:54 PM, Martin Turgeon
<freebsd@optiksecurite.com>wrote:

> I didn't knew about -H to show individual threads, but my problem isn't
> there. My problem is that the summary printed in the first lines doesn't
> match the total of the process detailled under the summary. For example, I
> have a user CPU usage est 83.1% in the summary, but the only process worth
> mentionning in the list is mysqld that is taking 255.52% WCPU. That's far
> less than half the "CPU power" but 83% is far more. It's that difference
> that I don't understand.
>
> How is this possible?
>

man 1 top

83.1% doesn't mean what you think it does.


-- 
Adam Vande More



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