KVM: ppc: adds trace points for ppc tlb activity

This patch adds trace points to track powerpc TLB activities using the
KVM_TRACE infrastructure.

Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 8c605d0a5488..4a3e274bac12 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -170,6 +170,10 @@ static int kvmppc_emul_tlbwe(struct kvm_vcpu *vcpu, u32 inst)
                 kvmppc_mmu_map(vcpu, eaddr, raddr >> PAGE_SHIFT, asid, flags);
         }
 
+        KVMTRACE_5D(GTLB_WRITE, vcpu, index,
+                        tlbe->tid, tlbe->word0, tlbe->word1, tlbe->word2,
+                        handler);
+
         return EMULATE_DONE;
 }