diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc index dc25bcf4f9e2..2506f464811b 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc @@ -7,20 +7,86 @@ echo 0 > events/enable echo > dynamic_events PLACE=$FUNCTION_FORK +PLACE2="kmem_cache_free" +PLACE3="schedule_timeout" + +# Some functions may have BPF programs attached, therefore +# count already enabled_functions before tests start +ocnt=`cat enabled_functions | wc -l` echo "f:myevent1 $PLACE" >> dynamic_events + echo "f:myevent2 $PLACE%return" >> dynamic_events +# add another event +echo "f:myevent3 $PLACE2" >> dynamic_events + grep -q myevent1 dynamic_events grep -q myevent2 dynamic_events +grep -q myevent3 dynamic_events test -d events/fprobes/myevent1 test -d events/fprobes/myevent2 +echo 1 > events/fprobes/myevent1/enable +# Make sure the event is attached and is the only one +grep -q $PLACE enabled_functions +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $((ocnt + 1)) ]; then + exit_fail +fi + +echo 1 > events/fprobes/myevent2/enable +# It should till be the only attached function +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $((ocnt + 1)) ]; then + exit_fail +fi + +echo 1 > events/fprobes/myevent3/enable +# If the function is different, the attached function should be increased +grep -q $PLACE2 enabled_functions +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $((ocnt + 2)) ]; then + exit_fail +fi + +echo 0 > events/fprobes/myevent2/enable echo "-:myevent2" >> dynamic_events grep -q myevent1 dynamic_events ! grep -q myevent2 dynamic_events +# should still have 2 left +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $((ocnt + 2)) ]; then + exit_fail +fi + +echo 0 > events/fprobes/enable echo > dynamic_events +# Should have none left +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $ocnt ]; then + exit_fail +fi + +echo "f:myevent4 $PLACE" >> dynamic_events + +echo 1 > events/fprobes/myevent4/enable +# Should only have one enabled +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $((ocnt + 1)) ]; then + exit_fail +fi + +echo 0 > events/fprobes/enable +echo > dynamic_events + +# Should have none left +cnt=`cat enabled_functions | wc -l` +if [ $cnt -ne $ocnt ]; then + exit_fail +fi + clear_trace |