From owner-freebsd-stable@FreeBSD.ORG Sun Jul 20 23:36:11 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 396F89C7 for ; Sun, 20 Jul 2014 23:36:11 +0000 (UTC) Received: from mail-qc0-x22d.google.com (mail-qc0-x22d.google.com [IPv6:2607:f8b0:400d:c01::22d]) (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 F172C2970 for ; Sun, 20 Jul 2014 23:36:10 +0000 (UTC) Received: by mail-qc0-f173.google.com with SMTP id c9so4984841qcz.4 for ; Sun, 20 Jul 2014 16:36:10 -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=m1qFLwEiX6i9h0Y9DIbA+XGZQ3jT3FN8iw6dqYQhp0U=; b=y7dXaBU7UTkalArqJnA0oM9oSjlc+CCsJPuhjvyM3cE2UhSiliM0XKlavZ4oZElzph X5U1VduKkGWAv24vh/9SFjUGXPIXoShlLlU0k1brKWkNyYe4HnckruDGqcz+f2OXLoll WeTsaNXtqKxHSoOXicYKe9RXbOULHlMG2f7NcNzRSuah4bDNwtNaQuPY3rOz0RGCYtt+ +9gxiPSAMaLCJzDV3E5pnJm+zPTgBU5BuSVnvwr9A0S3c6/dmiocnedqRmnCh/QK8ZlY ygBn1+BTPxcelFoZ+cNf9gBcZW7vAVgAWGu00DfNbQ3xXCFhSbBLVi4/KtsAh7/rmZeT cHzg== MIME-Version: 1.0 X-Received: by 10.224.36.130 with SMTP id t2mr4167839qad.45.1405899370126; Sun, 20 Jul 2014 16:36:10 -0700 (PDT) Received: by 10.96.73.39 with HTTP; Sun, 20 Jul 2014 16:36:10 -0700 (PDT) In-Reply-To: <20140720062413.GA56318@icarus.home.lan> References: <20140720062413.GA56318@icarus.home.lan> Date: Sun, 20 Jul 2014 16:36:10 -0700 Message-ID: Subject: Re: Consistently "high" CPU load on 10.0-STABLE From: hiren panchasara To: Jeremy Chadwick Content-Type: text/plain; charset=UTF-8 Cc: FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Jul 2014 23:36:11 -0000 On Sat, Jul 19, 2014 at 11:24 PM, Jeremy Chadwick wrote: > (Please keep me CC'd as I'm not subscribed to freebsd-stable@) [skip] > > I do have DTrace enabled/built on this box but I have absolutely no clue > how to go about profiling things. For example maybe output of this sort > would be helpful (but I've no idea how to get it): > > http://lists.freebsd.org/pipermail/freebsd-stable/2014-July/079276.html You can probably use hotkernel or something similar? http://www.freebsd.org/doc/handbook/dtrace-using.html cheers, Hiren [skip]