[linux-2.6-block.git] / tools / testing / selftests / ftrace / test.d / kprobe / kretprobe_args.tc

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Kretprobe dynamic event with arguments

[ -f kprobe_events ] || exit_unsupported # this is configurable

echo 0 > events/enable
echo > kprobe_events
echo 'r:testprobe2 _do_fork $retval' > kprobe_events
grep testprobe2 kprobe_events
test -d events/kprobes/testprobe2
echo 1 > events/kprobes/testprobe2/enable
( echo "forked")
echo 0 > events/kprobes/testprobe2/enable
echo '-:testprobe2' >> kprobe_events
clear_trace
test -d events/kprobes/testprobe2 && exit 1 || exit 0
Commit	Line	Data
89c5497d	1	#!/bin/sh
b2441318	2	# SPDX-License-Identifier: GPL-2.0
89c5497d MH	3	# description: Kretprobe dynamic event with arguments
	4
	5	[ -f kprobe_events ] \|\| exit_unsupported # this is configurable
	6
	7	echo 0 > events/enable
	8	echo > kprobe_events
c28628b8	9	echo 'r:testprobe2 _do_fork $retval' > kprobe_events
89c5497d MH	10	grep testprobe2 kprobe_events
	11	test -d events/kprobes/testprobe2
	12	echo 1 > events/kprobes/testprobe2/enable
	13	( echo "forked")
	14	echo 0 > events/kprobes/testprobe2/enable
	15	echo '-:testprobe2' >> kprobe_events
ce1ac64b	16	clear_trace
89c5497d	17	test -d events/kprobes/testprobe2 && exit 1 \|\| exit 0