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
6 echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events
7 echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events
8
9 echo 1 > events/kprobes/enable
10
11 echo > trace
12 cat trace > /dev/null
13
14 streq() {
15 test $1 = $2
16 }
17
18 streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' `
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