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Date:      Tue, 27 Sep 2005 02:48:21 +0100
From:      Thomas Hurst <tom.hurst@clara.net>
To:        martinko <martinkov@pobox.sk>
Cc:        freebsd-performance@freebsd.org
Subject:   Re: Finding what's causing I/O
Message-ID:  <20050927014821.GA96389@voi.aagh.net>
In-Reply-To: <4337A277.4060200@pobox.sk>
References:  <20050922214709.Q50836@zoraida.natserv.net> <84dead7205092219023228cdf5@mail.gmail.com> <20050923080435.J58927@zoraida.natserv.net> <20050923122011.GV33413@yahoo-inc.com> <4337A277.4060200@pobox.sk>

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* martinko (martinkov@pobox.sk) wrote:

> well, thanks for the switch. i couldn't find any
> description/explanation of/on the columns (VCSW,..) in top(1) man
> page, though. :(

VCSW = Voluntary Context Switch
IVCSW = Involuntary Context Switch

A very nice article on the meaning of these is here:

  http://www.informit.com/articles/article.asp?p=366888&seqNum=3&rl=1

-- 
Thomas 'Freaky' Hurst
    http://hur.st/



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