[mirror_ubuntu-artful-kernel.git] / tools / testing / selftests / ftrace / test.d / kprobe / kretprobe_args.tc

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