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selftests/ftrace: Update test for more eprobe removal process

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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>
This commit is contained in:
Steven Rostedt (VMware) 2021-10-13 16:51:13 -04:00
parent 7d5fda1c84
commit 0282b0f012
1 changed files with 52 additions and 2 deletions
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54
tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc
View file

@ -11,8 +11,8 @@ SYSTEM="syscalls"
EVENT="sys_enter_openat"
FIELD="filename"
EPROBE="eprobe_open"
echo "e:$EPROBE $SYSTEM/$EVENT file=+0(\$filename):ustring" >> dynamic_events
OPTIONS="file=+0(\$filename):ustring"
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
@ -37,4 +37,54 @@ echo "-:$EPROBE" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# test various ways to remove the probe (already tested with just event name)
# With group name
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
echo "-:eprobes/$EPROBE" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# With group name and system/event
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
echo "-:eprobes/$EPROBE $SYSTEM/$EVENT" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# With just event name and system/event
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
echo "-:$EPROBE $SYSTEM/$EVENT" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# With just event name and system/event and options
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
echo "-:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# With group name and system/event and options
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
grep -q "$EPROBE" dynamic_events
test -d events/eprobes/$EPROBE
echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
# Finally make sure what is in the dynamic_events file clears it too
echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
LINE=`sed -e '/$EPROBE/s/^e/-/' < dynamic_events`
test -d events/eprobes/$EPROBE
echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events
! grep -q "$EPROBE" dynamic_events
! test -d events/eprobes/$EPROBE
clear_trace