KVM: Record instruction set in kvm_exit tracepoint

exit_reason's meaning depend on the instruction set; record it so a trace
taken on one machine can be interpreted on another.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index a6544b8e7c0f..10610229b248 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -178,21 +178,26 @@ TRACE_EVENT(kvm_apic,
 #define trace_kvm_apic_read(reg, val)           trace_kvm_apic(0, reg, val)
 #define trace_kvm_apic_write(reg, val)          trace_kvm_apic(1, reg, val)
 
+#define KVM_ISA_VMX   1
+#define KVM_ISA_SVM   2
+
 /*
  * Tracepoint for kvm guest exit:
  */
 TRACE_EVENT(kvm_exit,
-        TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu),
-        TP_ARGS(exit_reason, vcpu),
+        TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
+        TP_ARGS(exit_reason, vcpu, isa),
 
         TP_STRUCT__entry(
                 __field(        unsigned int,   exit_reason     )
                 __field(        unsigned long,  guest_rip       )
+                __field(        u32,            isa             )
         ),
 
         TP_fast_assign(
                 __entry->exit_reason    = exit_reason;
                 __entry->guest_rip      = kvm_rip_read(vcpu);
+                __entry->isa            = isa;
         ),
 
         TP_printk("reason %s rip 0x%lx",