Date: Tue, 28 Aug 2012 14:13:35 -0400 From: Andrew Young <ayoung@mosaicarchive.com> To: Andrey Zonov <zont@FreeBSD.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Question on io monitoring tools such as gstat and iostat Message-ID: <D0ACE41D-3262-43EC-A309-405FD59C8392@mosaicarchive.com> In-Reply-To: <503D0308.70109@FreeBSD.org> References: <CAHMRaQcmY_oEvMGKXYtkEU%2Bt7LrSogFT3AbakrRxHakKabNhwg@mail.gmail.com> <503D0308.70109@FreeBSD.org>
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Thanks Andrey! Sent from my iPhone On Aug 28, 2012, at 1:42 PM, Andrey Zonov <zont@FreeBSD.org> wrote: > 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 >
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