1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kretprobe dynamic event with arguments 4 5[ -f kprobe_events ] || exit_unsupported # this is configurable 6 7# Add new kretprobe event 8echo 'r:testprobe2 _do_fork $retval' > kprobe_events 9grep testprobe2 kprobe_events | grep -q 'arg1=\$retval' 10test -d events/kprobes/testprobe2 11 12echo 1 > events/kprobes/testprobe2/enable 13( echo "forked") 14 15cat trace | grep testprobe2 | grep -q '<- _do_fork' 16 17echo 0 > events/kprobes/testprobe2/enable 18echo '-:testprobe2' >> kprobe_events 19clear_trace 20test -d events/kprobes/testprobe2 && exit_fail || exit_pass 21