xref: /linux/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8)
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: Generic dynamic event - check if duplicate events are caught
4# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README
5
6echo 0 > events/enable
7
8HAVE_KPROBES=0
9
10if [ -f kprobe_events ]; then
11	HAVE_KPROBES=1
12fi
13
14clear_dynamic_events
15
16# first create dynamic events for eprobes and kprobes.
17
18echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events
19
20# Test eprobe for same eprobe, existing kprobe and existing event
21! echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events
22! echo 'e:syscalls/sys_enter_open syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events
23
24if [ $HAVE_KPROBES -eq 1 ]; then
25    echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events
26    ! echo 'e:kgroup/kevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events
27
28# Test kprobe for same kprobe, existing eprobe and existing event
29    ! echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events
30    ! echo 'p:egroup/eevent vfs_open file=+0($arg2)' >> dynamic_events
31    ! echo 'p:syscalls/sys_enter_open vfs_open file=+0($arg2)' >> dynamic_events
32
33    echo '-:kgroup/kevent' >> dynamic_events
34fi
35
36echo '-:egroup/eevent' >> dynamic_events
37
38clear_trace
39