From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754619AbYFZMav (ORCPT ); Thu, 26 Jun 2008 08:30:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752221AbYFZM2j (ORCPT ); Thu, 26 Jun 2008 08:28:39 -0400 Received: from il.qumranet.com ([212.179.150.194]:32345 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751916AbYFZM2f (ORCPT ); Thu, 26 Jun 2008 08:28:35 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 08/50] KVM: SVM: add tracing support for TDP page faults Date: Thu, 26 Jun 2008 15:27:50 +0300 Message-Id: <1214483312-9265-9-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.6 In-Reply-To: <1214483312-9265-1-git-send-email-avi@qumranet.com> References: <1214483312-9265-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel To distinguish between real page faults and nested page faults they should be traced as different events. This is implemented by this patch. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 4 ++++ include/asm-x86/kvm.h | 1 + 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 8953292..218949c 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1011,6 +1011,10 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) KVMTRACE_3D(PAGE_FAULT, &svm->vcpu, error_code, (u32)fault_address, (u32)(fault_address >> 32), handler); + else + KVMTRACE_3D(TDP_FAULT, &svm->vcpu, error_code, + (u32)fault_address, (u32)(fault_address >> 32), + handler); return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); } diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h index 80eefef..6f18408 100644 --- a/include/asm-x86/kvm.h +++ b/include/asm-x86/kvm.h @@ -228,5 +228,6 @@ struct kvm_pit_state { #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) +#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) #endif -- 1.5.6