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Fri, 13 Sep 2019 19:00:55 +0000 From: "Suthikulpanit, Suravee" To: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" CC: "pbonzini@redhat.com" , "rkrcmar@redhat.com" , "joro@8bytes.org" , "vkuznets@redhat.com" , "graf@amazon.com" , "jschoenh@amazon.de" , "karahmed@amazon.de" , "rimasluk@amazon.com" , "Grimm, Jon" , "Suthikulpanit, Suravee" Subject: [PATCH v3 05/16] kvm: x86: Add APICv activate/deactivate request trace points Thread-Topic: [PATCH v3 05/16] kvm: x86: Add APICv activate/deactivate request trace points Thread-Index: AQHVamWRADc9HmenaE+NkczNcOboAA== Date: Fri, 13 Sep 2019 19:00:55 +0000 Message-ID: <1568401242-260374-6-git-send-email-suravee.suthikulpanit@amd.com> References: <1568401242-260374-1-git-send-email-suravee.suthikulpanit@amd.com> In-Reply-To: <1568401242-260374-1-git-send-email-suravee.suthikulpanit@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [165.204.78.1] x-clientproxiedby: SN6PR08CA0021.namprd08.prod.outlook.com (2603:10b6:805:66::34) To DM6PR12MB2844.namprd12.prod.outlook.com (2603:10b6:5:45::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Suravee.Suthikulpanit@amd.com; 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Suggested-by: Alexander Graf Signed-off-by: Suravee Suthikulpanit --- arch/x86/kvm/trace.h | 30 ++++++++++++++++++++++++++++++ arch/x86/kvm/x86.c | 7 +++++++ 2 files changed, 37 insertions(+) diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index b5c831e..e3f745a 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1297,6 +1297,36 @@ __entry->vcpu_id, __entry->timer_index) ); +TRACE_EVENT(kvm_apicv_activate_request, + TP_PROTO(u32 vcpu), + TP_ARGS(vcpu), + + TP_STRUCT__entry(__field(u32, vcpu)), + + TP_fast_assign(__entry->vcpu = vcpu;), + + TP_printk("vcpu=%u", __entry->vcpu) +); + +TRACE_EVENT(kvm_apicv_deactivate_request, + TP_PROTO(u32 vcpu, bool disable), + TP_ARGS(vcpu, disable), + + TP_STRUCT__entry( + __field(u32, vcpu) + __field(bool, disable) + ), + + TP_fast_assign( + __entry->vcpu = vcpu; + __entry->disable = disable; + ), + + TP_printk("vcpu=%u, disable=%s", + __entry->vcpu, + __entry->disable ? "disabled" : "suspended") +); + /* * Tracepoint for AMD AVIC */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 446df2b..bc74876 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7756,6 +7756,8 @@ void kvm_make_apicv_activate_request(struct kvm_vcpu *vcpu) struct kvm_vcpu *v; struct kvm *kvm = vcpu->kvm; + trace_kvm_apicv_activate_request(vcpu->vcpu_id); + mutex_lock(&kvm->arch.apicv_lock); if (kvm->arch.apicv_state != APICV_SUSPENDED) { mutex_unlock(&kvm->arch.apicv_lock); @@ -7782,6 +7784,8 @@ void kvm_make_apicv_deactivate_request(struct kvm_vcpu *vcpu, bool disable) struct kvm_vcpu *v; struct kvm *kvm = vcpu->kvm; + trace_kvm_apicv_deactivate_request(vcpu->vcpu_id, disable); + mutex_lock(&kvm->arch.apicv_lock); if (kvm->arch.apicv_state != APICV_ACTIVATED) { mutex_unlock(&kvm->arch.apicv_lock); @@ -10194,3 +10198,6 @@ 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_activate_request); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_apicv_deactivate_request); +