Date: Tue, 28 Aug 2012 21:42:32 +0400 From: Andrey Zonov <zont@FreeBSD.org> To: Andy Young <ayoung@mosaicarchive.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Question on io monitoring tools such as gstat and iostat Message-ID: <503D0308.70109@FreeBSD.org> In-Reply-To: <CAHMRaQcmY_oEvMGKXYtkEU%2Bt7LrSogFT3AbakrRxHakKabNhwg@mail.gmail.com> References: <CAHMRaQcmY_oEvMGKXYtkEU%2Bt7LrSogFT3AbakrRxHakKabNhwg@mail.gmail.com>
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[-- Attachment #1 --] On 8/28/12 3:14 PM, Andy Young wrote: > I am relatively new to using IO monitoring tools and wanted to confirm I > understand them correctly. If I specify an interval of 5 seconds, my > assumption is that the data displayed is an average over that 5 second > interval. Is that correct or am I misunderstanding how intervals work? > Yes, you are right. For more information you can read devstat(3) or sources in src/lib/libdevstat/devstat.c. -- Andrey Zonov [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.18 (Darwin) Comment: GPGTools - http://gpgtools.org iQEcBAEBAgAGBQJQPQMRAAoJEBWLemxX/CvTOEQH/0jAhryc1mc4ajJvDUFD6qly mz+Dh5CdzN6ete+y2FH04F528rc2/phKWKA+s1iTsOwkbO4I6zJ2LR1e4JHFTRhk D/jvrSE6CIglavx7zCCEAFLB5d+YQ17On1Ssj033zXsGl8ZLUxpdSZ27KAJ0GnL7 PY9gH8sJuBZyceWcw6XkiXBlsbqWxiUqq4eqVDJ4QLIx5wBztZ3YP4B5MEm4g+m4 tHBM+36GfGD8i8Knav11MSguSsm+4my2Mym3jXFBcLHgvYFr1iwYPgb/jVDnoAT8 ATzBEynGDnzESSo8AkKBQbnTbHbbYwb7k53VbxAEckzit3NuoFleoGlYds6FrCs= =wBcp -----END PGP SIGNATURE-----
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