Commit 0282b0f0 authored by Steven Rostedt (VMware)'s avatar Steven Rostedt (VMware)
Browse files

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: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 7d5fda1c

tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc

+52 −2
Original line number Diff line number Diff line
@@ -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