KVM: stats: Add halt_wait_ns stats for all architectures

[linux-2.6-microblaze.git] / virt / kvm / kvm_main.c

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8563d9b..e6fc579 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3241,6 +3241,10 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
        }
        finish_rcuwait(&vcpu->wait);
        cur = ktime_get();
+       if (waited) {
+               vcpu->stat.generic.halt_wait_ns +=
+                       ktime_to_ns(cur) - ktime_to_ns(poll_end);
+       }
 out:
        kvm_arch_vcpu_unblocking(vcpu);
        block_ns = ktime_to_ns(cur) - ktime_to_ns(start);