Date: Mon, 18 Oct 2010 16:06:41 -0400 From: Martin Turgeon <freebsd@optiksecurite.com> To: Adam Vande More <amvandemore@gmail.com> Cc: Bas Smeelen <b.smeelen@ose.nl>, freebsd-questions@freebsd.org Subject: Re: How is CPU usage calculated? Message-ID: <4CBCA8D1.5040005@optiksecurite.com> In-Reply-To: <AANLkTimT_4D4THvszdDS=U0UKtScGgKZEN4A9e8BB2%2Bf@mail.gmail.com> References: <20101015071719.1536f19e@mail.ose.nl> <4CBC97CB.80604@optiksecurite.com> <AANLkTimT_4D4THvszdDS=U0UKtScGgKZEN4A9e8BB2%2Bf@mail.gmail.com>
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Le 2010-10-18 15:12, Adam Vande More a écrit : > 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. > I just reread it and it isn't clearer what is using the CPU so much. Can you please give me a little more explanation?
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