From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CD32ECE561 for ; Thu, 20 Sep 2018 12:32:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F0DA204FD for ; Thu, 20 Sep 2018 12:32:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F0DA204FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387672AbeITSPR (ORCPT ); Thu, 20 Sep 2018 14:15:17 -0400 Received: from mga17.intel.com ([192.55.52.151]:1728 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387637AbeITSPR (ORCPT ); Thu, 20 Sep 2018 14:15:17 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Sep 2018 05:32:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,398,1531810800"; d="scan'208";a="92211952" Received: from unknown (HELO [10.239.13.3]) ([10.239.13.3]) by orsmga001.jf.intel.com with ESMTP; 20 Sep 2018 05:31:58 -0700 Message-ID: <5BA39461.8020907@intel.com> Date: Thu, 20 Sep 2018 20:36:49 +0800 From: Wei Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: "Gonglei (Arei)" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "pbonzini@redhat.com" , "ak@linux.intel.com" CC: "kan.liang@intel.com" , "peterz@infradead.org" , "mingo@redhat.com" , "rkrcmar@redhat.com" , "like.xu@intel.com" , "jannh@google.com" Subject: Re: [PATCH v3 0/5] Guest LBR Enabling References: <1537437959-8751-1-git-send-email-wei.w.wang@intel.com> <33183CC9F5247A488A2544077AF19020DB0F73EB@dggeml511-mbx.china.huawei.com> In-Reply-To: <33183CC9F5247A488A2544077AF19020DB0F73EB@dggeml511-mbx.china.huawei.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/20/2018 07:34 PM, Gonglei (Arei) wrote: >> -----Original Message----- >> From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] On >> Behalf Of Wei Wang >> Sent: Thursday, September 20, 2018 6:06 PM >> To: linux-kernel@vger.kernel.org; kvm@vger.kernel.org; pbonzini@redhat.com; >> ak@linux.intel.com >> Cc: kan.liang@intel.com; peterz@infradead.org; mingo@redhat.com; >> rkrcmar@redhat.com; like.xu@intel.com; wei.w.wang@intel.com; >> jannh@google.com; Gonglei (Arei) >> Subject: [PATCH v3 0/5] Guest LBR Enabling >> >> Last Branch Recording (LBR) is a performance monitor unit (PMU) feature >> on Intel CPUs that captures branch related info. This patch series enables >> this feature to KVM guests. >> >> Here is a conclusion of the fundamental methods that we use: >> 1) the LBR feature is enabled per guest via QEMU setting of >> KVM_CAP_X86_GUEST_LBR; > Did you send the QEMU parts for guest LBR support? > Not yet. Probably next week for the QEMU part. Best, Wei