kretprobe_args.tc

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