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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: Kprobe event auto/manual naming4# requires: kprobe_events5 6:;: "Add an event on function without name" ;:7 8FUNC=`grep " [tT] .*vfs_read$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "`9[ "x" != "x$FUNC" ] || exit_unresolved10echo "p $FUNC" > kprobe_events11PROBE_NAME=`echo $FUNC | tr ".:" "_"`12test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure13 14:;: "Add an event on function with new name" ;:15 16echo "p:event1 $FUNC" > kprobe_events17test -d events/kprobes/event1 || exit_failure18 19:;: "Add an event on function with new name and group" ;:20 21echo "p:kprobes2/event2 $FUNC" > kprobe_events22test -d events/kprobes2/event2 || exit_failure23 24:;: "Add an event on dot function without name" ;:25 26find_dot_func() {27 if [ ! -f available_filter_functions ]; then28 grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "29 return;30 fi31 32 grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do33 cnt=`grep -s $f available_filter_functions | wc -l`;34 if [ $cnt -eq 1 ]; then35 echo $f36 break37 fi38 done39}40 41FUNC=`find_dot_func | tail -n 1`42[ "x" != "x$FUNC" ] || exit_unresolved43echo "p $FUNC" > kprobe_events44EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:`45[ "x" != "x$EVENT" ] || exit_failure46test -d events/$EVENT || exit_failure47