#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Generic dynamic event - add/remove eprobe events
# requires: dynamic_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README

echo 0 > events/enable

clear_dynamic_events

SYSTEM="syscalls"
EVENT="sys_enter_openat"
FIELD="filename"
EPROBE="eprobe_open"

echo "e:$EPROBE $SYSTEM/$EVENT file=+0(\$filename):ustring" >> dynamic_events

grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE

echo 1 > events/eprobes/$EPROBE/enable
ls
echo 0 > events/eprobes/$EPROBE/enable

content=`grep '^ *ls-' trace | grep 'file='`
nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."' -e '(fault)' ` || true

if [ -z "$content" ]; then
	exit_fail
fi

if [ ! -z "$nocontent" ]; then
	exit_fail
fi

echo "-:$EPROBE" >> dynamic_events

! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE

clear_trace