diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/dynevent')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc new file mode 100644 index 000000000000..db522577ff78 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc @@ -0,0 +1,38 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - check if duplicate events are caught +# requires: dynamic_events "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +HAVE_KPROBES=0 + +if [ -f kprobe_events ]; then + HAVE_KPROBES=1 +fi + +clear_dynamic_events + +# first create dynamic events for eprobes and kprobes. + +echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test eprobe for same eprobe, existing kprobe and existing event +! echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events +! echo 'e:syscalls/sys_enter_open syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +if [ $HAVE_KPROBES -eq 1 ]; then + echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'e:kgroup/kevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test kprobe for same kprobe, existing eprobe and existing event + ! echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:egroup/eevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:syscalls/sys_enter_open vfs_open file=+0($arg2)' >> dynamic_events + + echo '-:kgroup/kevent' >> dynamic_events +fi + +echo '-:egroup/eevent' >> dynamic_events + +clear_trace |