KVM: SVM: Add kvm_nested_intercepts tracepoint

This patch adds a tracepoint to get information about the
most important intercept bitmasks from the nested vmcb.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2e4e089646a7..cac761c6d1dc 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1845,6 +1845,11 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
                                nested_vmcb->control.event_inj,
                                nested_vmcb->control.nested_ctl);
 
+        trace_kvm_nested_intercepts(nested_vmcb->control.intercept_cr_read,
+                                    nested_vmcb->control.intercept_cr_write,
+                                    nested_vmcb->control.intercept_exceptions,
+                                    nested_vmcb->control.intercept);
+
         /* Clear internal status */
         kvm_clear_exception_queue(&svm->vcpu);
         kvm_clear_interrupt_queue(&svm->vcpu);