1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kretprobe entry argument access 4# requires: kprobe_events 'kernel return probes support:':README 5 6echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events 7echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events 8 9echo 1 > events/kprobes/enable 10 11echo > trace 12cat trace > /dev/null 13 14streq() { 15 test $1 = $2 16} 17 18streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' ` 19