1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kprobe dynamic event - probing module 4 5[ -f kprobe_events ] || exit_unsupported # this is configurable 6 7disable_events 8echo > kprobe_events 9 10:;: "Add an event on a module function without specifying event name" ;: 11 12MOD=`lsmod | head -n 2 | tail -n 1 | cut -f1 -d" "` 13FUNC=`grep -m 1 ".* t .*\\[$MOD\\]" /proc/kallsyms | xargs | cut -f3 -d" "` 14[ "x" != "x$MOD" -a "y" != "y$FUNC" ] || exit_unresolved 15echo "p $MOD:$FUNC" > kprobe_events 16PROBE_NAME=`echo $MOD:$FUNC | tr ".:" "_"` 17test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure 18 19:;: "Add an event on a module function with new event name" ;: 20 21echo "p:event1 $MOD:$FUNC" > kprobe_events 22test -d events/kprobes/event1 || exit_failure 23 24:;: "Add an event on a module function with new event and group name" ;: 25 26echo "p:kprobes1/event1 $MOD:$FUNC" > kprobe_events 27test -d events/kprobes1/event1 || exit_failure 28 29echo > kprobe_events 30