ktest: Print logfile name on failure

If the test fails and a logfile was specified. Print the name to
let the user know where to look for more information on the
failure.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index e1c62ee..3e3615a 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -462,6 +462,10 @@
 	`$power_off`;
     }
 
+    if (defined($opt{"LOG_FILE"})) {
+	print " See $opt{LOG_FILE} for more info.\n";
+    }
+
     die @_, "\n";
 }