From owner-freebsd-hackers@FreeBSD.ORG Wed Aug 29 08:20:57 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 729FB106564A for ; Wed, 29 Aug 2012 08:20:57 +0000 (UTC) (envelope-from andrey@zonov.org) Received: from mail-lpp01m010-f54.google.com (mail-lpp01m010-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id D719A8FC08 for ; Wed, 29 Aug 2012 08:20:56 +0000 (UTC) Received: by lage12 with SMTP id e12so351798lag.13 for ; Wed, 29 Aug 2012 01:20:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :x-gm-message-state; bh=B3XVf+q6N2ptjWUMCn5TN4Rk73N7CcHbkiTl6kJIt80=; b=W13JCS0ZlnTQBAyHm5XESHwFkfi+gwwRclSxVev8+AGxQfCwwuGF6+ohRnGWhqPhz/ ipFCP6M3A+eCWfxoumzBeyosEybwxvFbeJWKMvQwWKIIS+/TjlgP+nWlzSTxixSGA7Wn o4FupLxu/jpnKgSOFpVvgvhjuvpioqj9CGkc8ELOjsEJCRQ5QtLldCfu6vW8PM11Pvcp Ygbn+jDz2vSqLKf/ZH1taBUhMRudie88Fcn4rDfH3ORbqDyKMsbj1tNfSuOjBN65x5FA atbjeP0X8/SD9sCps8mVjZL20R9k087YuDeLVxi+c4q4kV3HU3N2wUkTGa3Db75z9tPW M8cg== Received: by 10.112.24.196 with SMTP id w4mr256458lbf.37.1346228455154; Wed, 29 Aug 2012 01:20:55 -0700 (PDT) Received: from zont-osx.local (ppp95-165-143-86.pppoe.spdop.ru. [95.165.143.86]) by mx.google.com with ESMTPS id lr17sm24278285lab.12.2012.08.29.01.20.53 (version=SSLv3 cipher=OTHER); Wed, 29 Aug 2012 01:20:54 -0700 (PDT) Sender: Andrey Zonov Message-ID: <503DD0E4.90000@FreeBSD.org> Date: Wed, 29 Aug 2012 12:20:52 +0400 From: Andrey Zonov User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: Daniel Braniss References: <503D0308.70109@FreeBSD.org> In-Reply-To: X-Enigmail-Version: 1.4.3 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig31AC10D6C7A43ACFD5754CF9" X-Gm-Message-State: ALoCoQlldbBq/H3gAxY53rk/9SX0/GAJjr4SWYr2+rG5VCgj5B74B1PABI5X6nwKb2TEOdWci/zP Cc: freebsd-hackers@freebsd.org, Andy Young Subject: Re: Question on io monitoring tools such as gstat and iostat X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Aug 2012 08:20:57 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig31AC10D6C7A43ACFD5754CF9 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 8/29/12 12:07 PM, Daniel Braniss wrote: >> This is an OpenPGP/MIME signed message (RFC 2440 and 3156) >> --------------enigCDF012FCB4FC78B4732FDA45 >> Content-Type: text/plain; charset=3DISO-8859-1 >> Content-Transfer-Encoding: quoted-printable >> >> On 8/28/12 3:14 PM, Andy Young wrote: >>> I am relatively new to using IO monitoring tools and wanted to confir= m =3D >> 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 secon= d >>> interval. Is that correct or am I misunderstanding how intervals work= ? >>> =3D20 >> >> Yes, you are right. For more information you can read devstat(3) or >> sources in src/lib/libdevstat/devstat.c. >=20 > netstat does not! >=20 And you are right, but the question was about gstat(8) and iostat(8). They print units per second, unlike netstat(1), it prints only units without "per". --=20 Andrey Zonov --------------enig31AC10D6C7A43ACFD5754CF9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.18 (Darwin) Comment: GPGTools - http://gpgtools.org iQEcBAEBAgAGBQJQPdDkAAoJEBWLemxX/CvTsccH/R8obeXeDpc2/aP8m1peVlBQ S+3Rp9Ej4stqbrnAZzlqlzchVvBXnXZgZpkt5aeTM7pyazHOmujOOX1U1Qw+8n/U SJ4iNrko4jk/C5VHGgWAxDQVMtv0FTeKRETlnBX346NAM40KxelsZhN0BKv+m1tk 7e93urvpBBL9WarLF+0+dfaeB8i19kyqT1m6OJTVY3f/7MV5VxlbbkJXvmpF/tgr TGAaMn0LlEckkN6TQzuWPTzUNkaRdiiaRUOcK9eeJZRX/qEwueno5UppXX27ZFhr Nachxzdjy8KxNDlfGea1O3VL3miKoCG1qFkrcnoLx+XMzXteLuUw3pvbAJqZvXM= =tiK0 -----END PGP SIGNATURE----- --------------enig31AC10D6C7A43ACFD5754CF9--