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-rw-r--r--tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc47
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc
new file mode 100644
index 000000000000..480845774007
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc
@@ -0,0 +1,47 @@
+#!/bin/sh
+# description: event tracing - enable/disable with top level files
+
+do_reset() {
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit -1
+}
+
+if [ ! -f available_events -o ! -f set_event -o ! -d events ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo '*:*' > set_event
+count=`cat trace | grep -v ^# | wc -l`
+if [ $count -eq 0 ]; then
+ fail "none of events are recorded"
+fi
+
+do_reset
+
+echo 1 > events/enable
+count=`cat trace | grep -v ^# | wc -l`
+if [ $count -eq 0 ]; then
+ fail "none of events are recorded"
+fi
+
+do_reset
+
+echo 0 > events/enable
+count=`cat trace | grep -v ^# | wc -l`
+if [ $count -ne 0 ]; then
+ fail "any of events should not be recorded"
+fi
+
+do_reset
+
+exit 0