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From: Andrew Young <ayoung@mosaicarchive.com>
Date: Tue, 28 Aug 2012 14:13:35 -0400
To: Andrey Zonov <zont@FreeBSD.org>
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Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
Subject: Re: Question on io monitoring tools such as gstat and iostat
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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
>