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authorJoerg Roedel <joerg.roedel@amd.com>2008-04-30 15:56:04 (GMT)
committerAvi Kivity <avi@qumranet.com>2008-07-20 09:40:48 (GMT)
commitd2ebb4103ff349af6dac14955bf93e57487a6694 (patch)
tree5c205c2e36c4c4334855455336427d676e9535c0 /arch
parentaf9ca2d703f4cefbf6441bfe127c4191092ad394 (diff)
downloadlinux-fsl-qoriq-d2ebb4103ff349af6dac14955bf93e57487a6694.tar.xz
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')
-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 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);
}