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Message-ID: <5BA39461.8020907@intel.com>
Date:   Thu, 20 Sep 2018 20:36:49 +0800
From:   Wei Wang <wei.w.wang@intel.com>
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To:     "Gonglei (Arei)" <arei.gonglei@huawei.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
        "pbonzini@redhat.com" <pbonzini@redhat.com>,
        "ak@linux.intel.com" <ak@linux.intel.com>
CC:     "kan.liang@intel.com" <kan.liang@intel.com>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "rkrcmar@redhat.com" <rkrcmar@redhat.com>,
        "like.xu@intel.com" <like.xu@intel.com>,
        "jannh@google.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>
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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) <arei.gonglei@huawei.com>
>> 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