| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kretprobe dynamic event with arguments |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| # Add new kretprobe event |
| echo 'r:testprobe2 _do_fork $retval' > kprobe_events |
| grep testprobe2 kprobe_events | grep -q 'arg1=\$retval' |
| test -d events/kprobes/testprobe2 |
| |
| echo 1 > events/kprobes/testprobe2/enable |
| ( echo "forked") |
| |
| cat trace | grep testprobe2 | grep -q '<- _do_fork' |
| |
| echo 0 > events/kprobes/testprobe2/enable |
| echo '-:testprobe2' >> kprobe_events |
| clear_trace |
| test -d events/kprobes/testprobe2 && exit_fail || exit_pass |
