linux/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Generic dynamic event - selective clear (compatibility)
# requires: dynamic_events kprobe_events synthetic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README "s:[synthetic/]":README

echo 0 > events/enable
echo > dynamic_events

PLACE=$FUNCTION_FORK

setup_events() {
echo "p:myevent1 $PLACE" >> dynamic_events
echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events
echo "r:myevent2 $PLACE" >> dynamic_events
echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events

grep -q myevent1 dynamic_events
grep -q myevent2 dynamic_events
grep -q latency1 dynamic_events
grep -q latency2 dynamic_events
}

setup_events
echo > synthetic_events

grep -q myevent1 dynamic_events
grep -q myevent2 dynamic_events
! grep -q latency1 dynamic_events
! grep -q latency2 dynamic_events

echo > dynamic_events

setup_events
echo > kprobe_events

! grep -q myevent1 dynamic_events
! grep -q myevent2 dynamic_events
grep -q latency1 dynamic_events
grep -q latency2 dynamic_events

echo > dynamic_events