From owner-freebsd-questions@FreeBSD.ORG Mon Oct 27 21:31:25 2014 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9CE535A0 for ; Mon, 27 Oct 2014 21:31:25 +0000 (UTC) Received: from mail-pd0-x229.google.com (mail-pd0-x229.google.com [IPv6:2607:f8b0:400e:c02::229]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7400B818 for ; Mon, 27 Oct 2014 21:31:25 +0000 (UTC) Received: by mail-pd0-f169.google.com with SMTP id y10so2066865pdj.14 for ; Mon, 27 Oct 2014 14:31:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=7k5pMW77eJ9vOsF6fFx4NInijQrT7cNgmxtcqkQ1oh8=; b=e4RD2W5FECJWP6LHoPSz0OM68Prr0LMjYFV7/4/TkoXL/6wYO5rhUezIoSdvwteXhd CaMK+V8NFQkxZzdAWhte+mwL9gZNh+NqXuJlpo6wGkhE7dyQlwkiEKtKK3CVllV706QP fp1GoEgnxCkS2xhgIAngmWmUaLO4JsrB47xuCSN/I6ci4mzNmAfv4HzDkc8Yls96wzgH SxlTPYEw9e6N/7ftY18bFHtviFP1coB2jvseFb3dYbF00c9jGR3MjP5bc5zTqCeqjAFt Vfho40cV7Tv14xDWky/oZfoeeJvaJ0cJaKHcUCjRTHTSC5AoSUyWwZpm1Yw9bUdQQ/Ce x1cQ== MIME-Version: 1.0 X-Received: by 10.70.102.103 with SMTP id fn7mr114106pdb.160.1414445485017; Mon, 27 Oct 2014 14:31:25 -0700 (PDT) Received: by 10.70.103.141 with HTTP; Mon, 27 Oct 2014 14:31:24 -0700 (PDT) In-Reply-To: References: Date: Mon, 27 Oct 2014 16:31:24 -0500 Message-ID: Subject: Re: High interrupt CPU in top... From: Adam Vande More To: Peter Harrison Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: FreeBSD Questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Oct 2014 21:31:25 -0000 On Mon, Oct 27, 2014 at 3:59 PM, Peter Harrison < four.harrisons@googlemail.com> wrote: > Can anyone help me diagnose this please? I'm on 10.0-RELEASE on a Thinkpad > X200s. In top I see around 30% CPU listed as 'interrupt' even when I'm only > running Xorg (with Xfce as the window manager) with no other applications > open: > > last pid: 1946; load averages: 1.09, 1.30, 1.24 > up 0+00:59:59 21:56:20 > 54 processes: 1 running, 53 sleeping > CPU: 0.4% user, 0.0% nice, 0.2% system, 32.8% interrupt, 66.6% idle > Mem: 188M Active, 282M Inact, 283M Wired, 22M Cache, 206M Buf, 1127M Free > Swap: 4096M Total, 4096M Free > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU > COMMAND > 1362 root 1 20 0 150M 25596K select 1 1:18 0.10% Xorg > 1613 peter 4 32 0 260M 21700K select 1 0:02 0.10% > xfce4-terminal > 1521 peter 1 20 0 159M 17652K select 1 0:10 0.00% xfwm4 > 1539 peter 1 20 0 152M 13704K select 1 0:08 0.00% > wrapper > 1524 peter 3 20 0 278M 24172K select 1 0:05 0.00% > xfce4-panel > 1444 haldaemon 2 28 0 60428K 6436K select 1 0:01 0.00% hald > 1511 peter 2 39 0 163M 14756K select 1 0:01 0.00% > xfce4-session > 1544 root 2 20 0 54908K 5904K select 1 0:01 0.00% > upowerd > 1526 peter 2 20 0 247M 16108K kqread 0 0:01 0.00% > xfdesktop > 1540 peter 1 20 0 156M 15480K select 1 0:01 0.00% > wrapper > 1279 messagebus 1 20 0 17044K 3144K select 0 0:00 0.00% > dbus-daemon > > How do I diagnose what's using my processor? > vmstat -i -- Adam