powerpc/mm: Trace tlbia instruction

Add a trace point for tlbia (Translation Lookaside Buffer Invalidate
All) instruction.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/trace.h

@@ -201,6 +201,21 @@ TRACE_EVENT(tlbie,
 		__entry->r)
 );
 
+TRACE_EVENT(tlbia,
+
+	TP_PROTO(unsigned long id),
+	TP_ARGS(id),
+	TP_STRUCT__entry(
+		__field(unsigned long, id)
+		),
+
+	TP_fast_assign(
+		__entry->id = id;
+		),
+
+	TP_printk("ctx.id=0x%lx", __entry->id)
+);
+
 #endif /* _TRACE_POWERPC_H */
 
 #undef TRACE_INCLUDE_PATH