From owner-freebsd-current@FreeBSD.ORG Fri Aug 16 20:35:11 2013 Return-Path: Delivered-To: freebsd-current@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 ESMTP id AA384FD6; Fri, 16 Aug 2013 20:35:11 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-we0-x236.google.com (mail-we0-x236.google.com [IPv6:2a00:1450:400c:c03::236]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E31AB2FDD; Fri, 16 Aug 2013 20:35:10 +0000 (UTC) Received: by mail-we0-f182.google.com with SMTP id q59so1750139wes.41 for ; Fri, 16 Aug 2013 13:35:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=VrAiybVnEnQQ1TBbZDbqjAReNt4r5X3EAN+UfyRfu2I=; b=vb0oyYRXB7kWNLb8n6Sk0kFyXPEyQLoiozWT5AjFDOdltgrYDe4PXt8ldLxNv/kcyE qsh/NfRUtWEma8TpBO2ugYc+703C4meoZs6fpfQuZceMplA6ZhzLQgwiOk48UBfA7XJL YCt6yADODsLE2nDq2fWbUJ4zUcDrsMhSEZ6YS/LXqRFhVVYSOeraJu/YSvoC9xAIzSEG bLdtiVGxV3o8EItx4m3w8pPLfr5loLr/MmXbvMhEOBPUB6Y4eVbEOBdk0+XRfQlIVKHC HQIFRAEm1IU1VHjrKqy+vUu+PWkD9TvXlbDsnFFFq/lS+/3qP6u64l7Of6ZoZIqm9ZH1 xMuQ== MIME-Version: 1.0 X-Received: by 10.180.37.164 with SMTP id z4mr525797wij.30.1376685309115; Fri, 16 Aug 2013 13:35:09 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.217.116.136 with HTTP; Fri, 16 Aug 2013 13:35:09 -0700 (PDT) In-Reply-To: References: Date: Fri, 16 Aug 2013 13:35:09 -0700 X-Google-Sender-Auth: dUSEpuK_q1CArJk42peDffgNYwo Message-ID: Subject: Re: patch: enable MEM_LOAD_UOPS_LLC_HIT_RETIRED on sandy bridge xeon From: Adrian Chadd To: hiren panchasara Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Davide Italiano , Jim Harris , freebsd-current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Aug 2013 20:35:11 -0000 Attempt #2: http://people.freebsd.org/~adrian/netflix/20130816-hwpmc-sbx-1.diff I've verified that I get counter events from this! But I need to load up a system more to trigger contention to validate that they're doing the right thing. Unfortunately there's an erratum on this which we need to add in the hack for: http://software.intel.com/en-us/articles/performance-monitoring-on-intel-xeon-processor-e5-family .. sigh. -adrian