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#!/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
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