From: Wei Wang <wei.w.wang@intel.com>
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
Date: Thu, 20 Sep 2018 20:36:49 +0800 [thread overview]
Message-ID: <5BA39461.8020907@intel.com> (raw)
In-Reply-To: <33183CC9F5247A488A2544077AF19020DB0F73EB@dggeml511-mbx.china.huawei.com>
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
prev parent reply other threads:[~2018-09-20 12:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-20 10:05 [PATCH v3 0/5] Guest LBR Enabling Wei Wang
2018-09-20 10:05 ` [PATCH v3 1/5] perf/x86: add a function to get the lbr stack Wei Wang
2018-09-20 12:05 ` Peter Zijlstra
2018-09-20 12:07 ` Peter Zijlstra
2018-09-20 10:05 ` [PATCH v3 2/5] KVM/x86: KVM_CAP_X86_GUEST_LBR Wei Wang
2018-09-20 10:05 ` [PATCH v3 3/5] KVM/x86: expose MSR_IA32_PERF_CAPABILITIES to the guest Wei Wang
2018-09-20 12:38 ` Wei Wang
2018-09-20 10:05 ` [PATCH v3 4/5] KVM/x86/vPMU: Add APIs to support host save/restore the guest lbr stack Wei Wang
2018-09-20 12:17 ` Peter Zijlstra
2018-09-20 12:32 ` Peter Zijlstra
2018-09-27 13:45 ` Wang, Wei W
2018-09-20 15:30 ` Andi Kleen
2018-09-20 16:24 ` Peter Zijlstra
2018-09-27 10:10 ` Wang, Wei W
2018-09-27 10:05 ` Wang, Wei W
2018-09-20 10:05 ` [PATCH v3 5/5] KVM/x86/lbr: lazy save " Wei Wang
2018-09-20 12:07 ` Gonglei (Arei)
2018-09-27 14:11 ` Wang, Wei W
2018-09-20 12:37 ` Peter Zijlstra
2018-09-20 12:58 ` Wei Wang
2018-09-20 12:57 ` Peter Zijlstra
2018-09-20 11:34 ` [PATCH v3 0/5] Guest LBR Enabling Gonglei (Arei)
2018-09-20 12:36 ` Wei Wang [this message]
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