Date: Tue, 25 Oct 2011 22:50:54 +0200 From: Baptiste Daroussin <bapt@FreeBSD.org> To: Stefan Bethke <stb@lassitu.de> Cc: freebsd-hackers@FreeBSD.org Subject: Re: iotop (dtrace?) Message-ID: <20111025205054.GB86420@azathoth.lan> In-Reply-To: <EEC47FD8-63E0-4F7E-8994-CCEC720C2C5B@lassitu.de> References: <EEC47FD8-63E0-4F7E-8994-CCEC720C2C5B@lassitu.de>
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[-- Attachment #1 --] On Tue, Oct 25, 2011 at 10:34:39PM +0200, Stefan Bethke wrote: > I've got two systems with a constantly high rate of disk I/O that sometimes seems to be overwhelmed from it. Before trying to decide if a hardware upgrade will help, I'd like to figure out which processes generate the load. > > I've found a couple scripts named iotop which appear to produce what I would be interested in, but they appear to require Solaris or Linux. > > Has someone ported over one of them, or would have a suggestion how to go about writing a custom dtrace script to gather this kind of information? > > I can successfully run a couple of sample dtrace scripts on these 8-stable amd64 boxes. > Can't 'top -mio' do the job? regards, Bapt [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk6nIS4ACgkQ8kTtMUmk6EzKAQCgrj1h2iSg1OLKc5opyxNbTALT h7AAnRFLRm0ThK0C2kyvSIb0+rlRTQxJ =m2f7 -----END PGP SIGNATURE-----help
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