98 lines
2.9 KiB
Plaintext
98 lines
2.9 KiB
Plaintext
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Generic dynamic event - add/remove eprobe events
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# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README
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echo 0 > events/enable
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clear_dynamic_events
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SYSTEM="syscalls"
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EVENT="sys_enter_openat"
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FIELD="filename"
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EPROBE="eprobe_open"
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OPTIONS="file=+0(\$filename):ustring"
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo 1 > events/eprobes/$EPROBE/enable
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ls
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echo 0 > events/eprobes/$EPROBE/enable
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content=`grep '^ *ls-' trace | grep 'file='`
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nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."' -e '(fault)' ` || true
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if [ -z "$content" ]; then
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exit_fail
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fi
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if [ ! -z "$nocontent" ]; then
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exit_fail
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fi
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echo "-:$EPROBE" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# test various ways to remove the probe (already tested with just event name)
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# With group name
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo "-:eprobes/$EPROBE" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# With group name and system/event
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo "-:eprobes/$EPROBE $SYSTEM/$EVENT" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# With just event name and system/event
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo "-:$EPROBE $SYSTEM/$EVENT" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# With just event name and system/event and options
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo "-:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# With group name and system/event and options
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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grep -q "$EPROBE" dynamic_events
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test -d events/eprobes/$EPROBE
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echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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# Finally make sure what is in the dynamic_events file clears it too
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echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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LINE=`sed -e '/$EPROBE/s/^e/-/' < dynamic_events`
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test -d events/eprobes/$EPROBE
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echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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! grep -q "$EPROBE" dynamic_events
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! test -d events/eprobes/$EPROBE
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if grep -q "e\[:\[<group>/]\[<event>]]" README; then
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echo "e:mygroup/ $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
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test -d events/mygroup
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echo "-:mygroup/" >> dynamic_events
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! test -d events/mygroup
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fi
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clear_trace
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