From: Like Xu <like.xu.linux@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: bp@alien8.de, seanjc@google.com, vkuznets@redhat.com,
wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org,
kan.liang@linux.intel.com, ak@linux.intel.com,
wei.w.wang@intel.com, eranian@google.com,
liuxiangdong5@huawei.com, linux-kernel@vger.kernel.org,
x86@kernel.org, kvm@vger.kernel.org, boris.ostrvsky@oracle.com,
Zhu Lingshan <lingshan.zhu@intel.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PING][PATCH V9 00/18] KVM: x86/pmu: Add *basic* support to enable guest PEBS via DS
Date: Thu, 12 Aug 2021 21:20:54 +0800 [thread overview]
Message-ID: <d4899d1b-b04d-6d96-7a29-dfb10355d601@gmail.com> (raw)
In-Reply-To: <YQF7lwM6qzYso0Gg@hirez.programming.kicks-ass.net>
Hi Paolo,
On 28/7/2021 11:45 pm, Peter Zijlstra wrote:
>> Like Xu (17):
>> perf/core: Use static_call to optimize perf_guest_info_callbacks
>> perf/x86/intel: Add EPT-Friendly PEBS for Ice Lake Server
>> perf/x86/intel: Handle guest PEBS overflow PMI for KVM guest
>> perf/x86/core: Pass "struct kvm_pmu *" to determine the guest values
>> KVM: x86/pmu: Set MSR_IA32_MISC_ENABLE_EMON bit when vPMU is enabled
>> KVM: x86/pmu: Introduce the ctrl_mask value for fixed counter
>> KVM: x86/pmu: Add IA32_PEBS_ENABLE MSR emulation for extended PEBS
>> KVM: x86/pmu: Reprogram PEBS event to emulate guest PEBS counter
>> KVM: x86/pmu: Adjust precise_ip to emulate Ice Lake guest PDIR counter
>> KVM: x86/pmu: Add IA32_DS_AREA MSR emulation to support guest DS
>> KVM: x86/pmu: Add PEBS_DATA_CFG MSR emulation to support adaptive PEBS
>> KVM: x86: Set PEBS_UNAVAIL in IA32_MISC_ENABLE when PEBS is enabled
>> KVM: x86/pmu: Move pmc_speculative_in_use() to arch/x86/kvm/pmu.h
>> KVM: x86/pmu: Disable guest PEBS temporarily in two rare situations
>> KVM: x86/pmu: Add kvm_pmu_cap to optimize perf_get_x86_pmu_capability
>> KVM: x86/cpuid: Refactor host/guest CPU model consistency check
>> KVM: x86/pmu: Expose CPUIDs feature bits PDCM, DS, DTES64
>>
>> Peter Zijlstra (Intel) (1):
>> x86/perf/core: Add pebs_capable to store valid PEBS_COUNTER_MASK value
> Looks good:
>
> Acked-by: Peter Zijlstra (Intel)<peterz@infradead.org>
>
> How do we want to route this, all through the KVM tree?
Do you have any comments for the latest version[1]
or do we have a chance to get it queued for mainline ?
I would really like to ease the burden of Lingshan on
maintaining this feature and on the basis of this work,
the guest BTS (Branch Tracking Store) is also ready to go.
Thanks,
Like Xu
[1] https://lore.kernel.org/kvm/20210806133802.3528-1-lingshan.zhu@intel.com/
prev parent reply other threads:[~2021-08-12 13:23 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 5:41 [PATCH V9 00/18] KVM: x86/pmu: Add *basic* support to enable guest PEBS via DS Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 01/18] perf/core: Use static_call to optimize perf_guest_info_callbacks Zhu Lingshan
2021-07-22 5:41 ` Zhu Lingshan
2021-07-22 5:41 ` Zhu Lingshan
2021-07-22 5:41 ` Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 02/18] perf/x86/intel: Add EPT-Friendly PEBS for Ice Lake Server Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 03/18] perf/x86/intel: Handle guest PEBS overflow PMI for KVM guest Zhu Lingshan
2021-08-05 1:15 ` Liuxiangdong
2021-08-06 12:23 ` Zhu, Lingshan
2021-07-22 5:41 ` [PATCH V9 04/18] perf/x86/core: Pass "struct kvm_pmu *" to determine the guest values Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 05/18] KVM: x86/pmu: Set MSR_IA32_MISC_ENABLE_EMON bit when vPMU is enabled Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 06/18] KVM: x86/pmu: Introduce the ctrl_mask value for fixed counter Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 07/18] x86/perf/core: Add pebs_capable to store valid PEBS_COUNTER_MASK value Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 08/18] KVM: x86/pmu: Add IA32_PEBS_ENABLE MSR emulation for extended PEBS Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 09/18] KVM: x86/pmu: Reprogram PEBS event to emulate guest PEBS counter Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 10/18] KVM: x86/pmu: Adjust precise_ip to emulate Ice Lake guest PDIR counter Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 11/18] KVM: x86/pmu: Add IA32_DS_AREA MSR emulation to support guest DS Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 12/18] KVM: x86/pmu: Add PEBS_DATA_CFG MSR emulation to support adaptive PEBS Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 13/18] KVM: x86: Set PEBS_UNAVAIL in IA32_MISC_ENABLE when PEBS is enabled Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 14/18] KVM: x86/pmu: Move pmc_speculative_in_use() to arch/x86/kvm/pmu.h Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 15/18] KVM: x86/pmu: Disable guest PEBS temporarily in two rare situations Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 16/18] KVM: x86/pmu: Add kvm_pmu_cap to optimize perf_get_x86_pmu_capability Zhu Lingshan
2021-07-30 9:36 ` Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 17/18] KVM: x86/cpuid: Refactor host/guest CPU model consistency check Zhu Lingshan
2021-07-22 5:41 ` [PATCH V9 18/18] KVM: x86/pmu: Expose CPUIDs feature bits PDCM, DS, DTES64 Zhu Lingshan
2021-07-28 15:45 ` [PATCH V9 00/18] KVM: x86/pmu: Add *basic* support to enable guest PEBS via DS Peter Zijlstra
2021-07-28 16:40 ` Like Xu
2021-08-04 3:03 ` Zhu, Lingshan
2021-08-12 13:20 ` Like Xu [this message]
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