1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kprobe event auto/manual naming 4 5[ -f kprobe_events ] || exit_unsupported # this is configurable 6 7:;: "Add an event on function without name" ;: 8 9FUNC=`grep " [tT] .*vfs_read$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` 10[ "x" != "x$FUNC" ] || exit_unresolved 11echo "p $FUNC" > kprobe_events 12PROBE_NAME=`echo $FUNC | tr ".:" "_"` 13test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure 14 15:;: "Add an event on function with new name" ;: 16 17echo "p:event1 $FUNC" > kprobe_events 18test -d events/kprobes/event1 || exit_failure 19 20:;: "Add an event on function with new name and group" ;: 21 22echo "p:kprobes2/event2 $FUNC" > kprobe_events 23test -d events/kprobes2/event2 || exit_failure 24 25:;: "Add an event on dot function without name" ;: 26 27FUNC=`grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` 28[ "x" != "x$FUNC" ] || exit_unresolved 29echo "p $FUNC" > kprobe_events 30EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:` 31[ "x" != "x$EVENT" ] || exit_failure 32test -d events/$EVENT || exit_failure 33