+function disable_python_lttng_event ()
+{
+ local sess_name="$1"
+ local event_name="$2"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event "$event_name" -s $sess_name -p 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Disable Python event $event_name for session $sess_name"
+}
+
+function start_lttng_tracing_opt ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test "$ret" -ne "0"
+ ret=$?
+ if [ $withtap -eq "1" ]; then
+ ok $? "Start tracing for session $sess_name failed as expected"
+ fi
+ else
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Start tracing for session $sess_name"
+ fi
+ fi
+}
+
+function start_lttng_tracing_ok ()
+{
+ start_lttng_tracing_opt 1 0 "$@"
+}
+
+function start_lttng_tracing_fail ()
+{
+ start_lttng_tracing_opt 1 1 "$@"
+}
+
+function start_lttng_tracing_notap ()
+{
+ start_lttng_tracing_opt 0 1 "$@"
+}
+
+function stop_lttng_tracing_opt ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test "$ret" -ne "0"
+ ret=$?
+ if [ $withtap -eq "1" ]; then
+ ok $? "Stop lttng tracing for session $sess_name failed as expected"
+ fi
+ else
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Stop lttng tracing for session $sess_name"
+ fi
+ fi
+}
+
+function stop_lttng_tracing_ok ()
+{
+ stop_lttng_tracing_opt 1 0 "$@"
+}
+
+function stop_lttng_tracing_fail ()
+{
+ stop_lttng_tracing_opt 1 1 "$@"
+}
+
+function stop_lttng_tracing_notap ()
+{
+ stop_lttng_tracing_opt 0 0 "$@"
+}
+
+function destroy_lttng_session ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test "$ret" -ne "0"
+ ret=$?
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Destroy session $sess_name failed as expected"
+ fi
+ else
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Destroy session $sess_name"
+ fi
+ fi
+}
+
+function destroy_lttng_session_ok ()
+{
+ destroy_lttng_session 1 0 "$@"
+
+}
+
+function destroy_lttng_session_fail ()
+{
+ destroy_lttng_session 1 1 "$@"
+}
+
+function destroy_lttng_session_notap ()
+{
+ destroy_lttng_session 0 0 "$@"
+}
+
+function destroy_lttng_sessions ()
+{
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy --all 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Destroy all lttng sessions"
+}
+
+function lttng_snapshot_add_output ()
+{
+ local expected_to_fail=$1
+ local sess_name=$2
+ local trace_path=$3
+ local opts=$4
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $trace_path $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq 1 ]]; then
+ test "$ret" -ne "0"
+ ok $? "Added snapshot output $trace_path failed as expected"
+ else
+ ok $ret "Added snapshot output $trace_path"
+ fi
+}
+
+function lttng_snapshot_add_output_ok ()
+{
+ lttng_snapshot_add_output 0 "$@"
+}
+
+function lttng_snapshot_add_output_fail ()
+{
+ lttng_snapshot_add_output 1 "$@"
+}
+
+function lttng_snapshot_del_output ()
+{
+ local expected_to_fail=$1
+ local sess_name=$2
+ local id=$3
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output -s $sess_name $id 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test "$ret" -ne "0"
+ ok $? "Deleted snapshot output id $id failed as expected"
+ else
+ ok $ret "Deleted snapshot output id $id"
+ fi
+}
+
+function lttng_snapshot_del_output_ok ()
+{
+ lttng_snapshot_del_output 0 "$@"
+}
+
+function lttng_snapshot_del_output_fail ()
+{
+ lttng_snapshot_del_output 1 "$@"
+}
+
+function lttng_snapshot_record ()
+{
+ local sess_name=$1
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot record -s $sess_name $trace_path 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Snapshot recorded"
+}
+
+function lttng_snapshot_list ()
+{
+ local sess_name=$1
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output -s $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Snapshot list"
+}
+
+function lttng_save()
+{
+ local sess_name=$1
+ local opts=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN save $sess_name $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Session saved"
+}
+
+function lttng_load()
+{
+ local expected_to_fail=$1
+ local opts=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN load $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Load command failed as expected with opts: $opts"
+ else
+ ok $ret "Load command with opts: $opts"
+ fi
+}
+
+function lttng_load_ok()
+{
+ lttng_load 0 "$@"
+}
+
+function lttng_load_fail()
+{
+ lttng_load 1 "$@"
+}
+
+function lttng_track()
+{
+ local expected_to_fail="$1"
+ shift 1
+ local opts="$@"
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN track $opts >$OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Track command failed as expected with opts: $opts"
+ else
+ ok $ret "Track command with opts: $opts"
+ fi
+}
+
+function lttng_track_ok()
+{
+ lttng_track 0 "$@"
+}
+
+function lttng_track_fail()
+{
+ lttng_track 1 "$@"
+}
+
+function lttng_untrack()
+{
+ local expected_to_fail="$1"
+ shift 1
+ local opts="$@"
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN untrack $opts >$OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test $ret -ne "0"
+ ok $? "Untrack command failed as expected with opts: $opts"
+ else
+ ok $ret "Untrack command with opts: $opts"
+ fi
+}
+
+function lttng_untrack_ok()
+{
+ lttng_untrack 0 "$@"
+}
+
+function lttng_untrack_fail()
+{
+ lttng_untrack 1 "$@"
+}
+
+function lttng_track_pid_ok()
+{
+ PID=$1
+ "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" track --kernel --pid=$PID 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Lttng track pid on the kernel domain"
+}
+
+function lttng_untrack_kernel_all_ok()
+{
+ "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" untrack --kernel --pid --all 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Lttng untrack all pid on the kernel domain"
+}
+
+function lttng_track_ust_ok()
+{
+ lttng_track_ok -u "$@"
+}
+
+function lttng_track_ust_fail()
+{
+ lttng_track_fail -u "$@"
+}
+
+function lttng_track_kernel_ok()
+{
+ lttng_track_ok -k "$@"
+}
+
+function lttng_track_kernel_fail()
+{
+ lttng_track_fail -k "$@"
+}
+
+function lttng_untrack_ust_ok()