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authorJoerg Roedel <joerg.roedel@amd.com>2008-04-30 17:56:04 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-20 12:40:48 +0300
commitd2ebb4103ff349af6dac14955bf93e57487a6694 (patch)
tree5c205c2e36c4c4334855455336427d676e9535c0 /arch/x86/kvm/svm.c
parentaf9ca2d703f4cefbf6441bfe127c4191092ad394 (diff)
KVM: SVM: add tracing support for TDP page faults
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 <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8953292acfd..218949cce1a 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);
}