| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Kprobe dynamic event - probing module |
| |
| [ -f kprobe_events ] || exit_unsupported # this is configurable |
| |
| disable_events |
| echo > kprobe_events |
| |
| :;: "Add an event on a module function without specifying event name" ;: |
| |
| MOD=`lsmod | head -n 2 | tail -n 1 | cut -f1 -d" "` |
| FUNC=`grep -m 1 ".* t .*\\[$MOD\\]" /proc/kallsyms | xargs | cut -f3 -d" "` |
| [ "x" != "x$MOD" -a "y" != "y$FUNC" ] || exit_unresolved |
| echo "p $MOD:$FUNC" > kprobe_events |
| PROBE_NAME=`echo $MOD:$FUNC | tr ".:" "_"` |
| test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure |
| |
| :;: "Add an event on a module function with new event name" ;: |
| |
| echo "p:event1 $MOD:$FUNC" > kprobe_events |
| test -d events/kprobes/event1 || exit_failure |
| |
| :;: "Add an event on a module function with new event and group name" ;: |
| |
| echo "p:kprobes1/event1 $MOD:$FUNC" > kprobe_events |
| test -d events/kprobes1/event1 || exit_failure |
| |
| echo > kprobe_events |
