KVM: Move kvm_exit tracepoint rip reading inside tracepoint
Reading rip is expensive on vmx, so move it inside the tracepoint so we only
incur the cost if tracing is enabled.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index b75efef..d10b359 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -182,8 +182,8 @@
* Tracepoint for kvm guest exit:
*/
TRACE_EVENT(kvm_exit,
- TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
- TP_ARGS(exit_reason, guest_rip),
+ TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu),
+ TP_ARGS(exit_reason, vcpu),
TP_STRUCT__entry(
__field( unsigned int, exit_reason )
@@ -192,7 +192,7 @@
TP_fast_assign(
__entry->exit_reason = exit_reason;
- __entry->guest_rip = guest_rip;
+ __entry->guest_rip = kvm_rip_read(vcpu);
),
TP_printk("reason %s rip 0x%lx",