trace: Add event "guest_cpu_reset"

Signals the reset of the state a virtual (guest) CPU.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Message-id: 147428971851.15111.8799439252178273840.stgit@fimbulvetr.bsc.es
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/trace-events b/trace-events
index 0492c96..fb96f6c 100644
--- a/trace-events
+++ b/trace-events
@@ -148,6 +148,11 @@
 # Targets: all
 vcpu guest_cpu_enter(void)
 
+# Reset the state of a virtual (guest) CPU
+#
+# Targets: all
+vcpu guest_cpu_reset(void)
+
 # @vaddr: Access' virtual address.
 # @info : Access' information (see below).
 #