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-rw-r--r--tools/testing/selftests/ftrace/test.d/event/event-pid.tc61
1 files changed, 61 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
new file mode 100644
index 000000000..7f5f97dff
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
@@ -0,0 +1,61 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: event tracing - restricts events based on pid
+# requires: set_event set_event_pid events/sched
+# flags: instance
+
+do_reset() {
+ echo > set_event
+ echo > set_event_pid
+ echo 0 > options/event-fork
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit_fail
+}
+
+echo 0 > options/event-fork
+
+echo 1 > events/sched/sched_switch/enable
+
+yield
+
+count=`cat trace | grep sched_switch | wc -l`
+if [ $count -eq 0 ]; then
+ fail "sched_switch events are not recorded"
+fi
+
+do_reset
+
+read mypid rest < /proc/self/stat
+
+echo $mypid > set_event_pid
+grep -q $mypid set_event_pid
+echo 'sched:sched_switch' > set_event
+
+yield
+
+count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
+if [ $count -ne 0 ]; then
+ fail "sched_switch events from other task are recorded"
+fi
+
+do_reset
+
+echo $mypid > set_event_pid
+echo 1 > options/event-fork
+echo 1 > events/sched/sched_switch/enable
+
+yield
+
+count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
+if [ $count -eq 0 ]; then
+ fail "sched_switch events from other task are not recorded"
+fi
+
+do_reset
+
+exit 0