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linux
selftests/ftrace: Update test for more eprobe removal process
The removal of eprobes was broken and missed in testing. Add various ways
to remove eprobes that are considered acceptable to the testing process to
catch when/if they break again.
Link: https://lkml.kernel.org/r/20211013205533.836644549@goodmis.org
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
+52
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+52
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tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc
+52
-2
tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc
···
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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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-
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echo "e:$EPROBE $SYSTEM/$EVENT file=+0(\$filename):ustring" >> dynamic_events
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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/$EPROBE
···
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echo "-:$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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