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Thu, 14 Nov 2019 20:15:37 +0000 From: Suravee Suthikulpanit To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: pbonzini@redhat.com, rkrcmar@redhat.com, joro@8bytes.org, vkuznets@redhat.com, rkagan@virtuozzo.com, graf@amazon.com, jschoenh@amazon.de, karahmed@amazon.de, rimasluk@amazon.com, jon.grimm@amd.com, Suravee Suthikulpanit Subject: [PATCH v5 05/18] kvm: x86: Add APICv (de)activate request trace points Date: Thu, 14 Nov 2019 14:15:07 -0600 Message-Id: <1573762520-80328-6-git-send-email-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1573762520-80328-1-git-send-email-suravee.suthikulpanit@amd.com> References: <1573762520-80328-1-git-send-email-suravee.suthikulpanit@amd.com> Content-Type: text/plain X-ClientProxiedBy: SN1PR12CA0099.namprd12.prod.outlook.com (2603:10b6:802:21::34) To DM6PR12MB3865.namprd12.prod.outlook.com (2603:10b6:5:1c8::18) MIME-Version: 1.0 X-Mailer: git-send-email 1.8.3.1 X-Originating-IP: [165.204.78.1] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: d490e39c-7727-4048-2fca-08d7693f69b6 X-MS-TrafficTypeDiagnostic: DM6PR12MB3739: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1388; 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Suggested-by: Alexander Graf Signed-off-by: Suravee Suthikulpanit --- arch/x86/kvm/trace.h | 19 +++++++++++++++++++ arch/x86/kvm/x86.c | 2 ++ 2 files changed, 21 insertions(+) diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 7c741a0..f194dd0 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1291,6 +1291,25 @@ __entry->vcpu_id, __entry->timer_index) ); +TRACE_EVENT(kvm_apicv_update_request, + TP_PROTO(bool activate, unsigned long bit), + TP_ARGS(activate, bit), + + TP_STRUCT__entry( + __field(bool, activate) + __field(unsigned long, bit) + ), + + TP_fast_assign( + __entry->activate = activate; + __entry->bit = bit; + ), + + TP_printk("%s bit=%lu", + __entry->activate ? "activate" : "deactivate", + __entry->bit) +); + /* * Tracepoint for AMD AVIC */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 03318a2..044c628 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7892,6 +7892,7 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit) return; } + trace_kvm_apicv_update_request(activate, bit); kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE); } EXPORT_SYMBOL_GPL(kvm_request_apicv_update); @@ -10282,3 +10283,4 @@ bool kvm_arch_no_poll(struct kvm_vcpu *vcpu) EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_pi_irte_update); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_unaccelerated_access); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_incomplete_ipi); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_apicv_update_request); -- 1.8.3.1