1 files changed, 48 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
new file mode 100644
index 000000000..b1ede6249
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc
@@ -0,0 +1,48 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event tracing - enable/disable with subsystem level files
+# requires: set_event events/sched/enable
+# flags: instance
+
+do_reset() {
+    echo > set_event
+    clear_trace
+}
+
+fail() { #msg
+    echo $1
+    exit_fail
+}
+
+echo 'sched:*' > set_event
+
+yield
+
+count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+if [ $count -lt 3 ]; then
+    fail "at least fork, exec and exit events should be recorded"
+fi
+
+do_reset
+
+echo 1 > events/sched/enable
+
+yield
+
+count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+if [ $count -lt 3 ]; then
+    fail "at least fork, exec and exit events should be recorded"
+fi
+
+do_reset
+
+echo 0 > events/sched/enable
+
+yield
+
+count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l`
+if [ $count -ne 0 ]; then
+    fail "any of scheduler events should not be recorded"
+fi
+
+exit 0