+ stop_lttng_consumerd_opt 1 "$@"
+}
+
+function stop_lttng_consumerd_notap()
+{
+ stop_lttng_consumerd_opt 0 "$@"
+}
+
+function sigstop_lttng_consumerd_opt()
+{
+ local withtap=$1
+ local signal=SIGSTOP
+
+ PID_CONSUMERD="$(pgrep "$CONSUMERD_MATCH")"
+
+ diag "Sending SIGSTOP to $CONSUMERD_BIN pids: $(echo "$PID_CONSUMERD" | tr '\n' ' ')"
+
+ # shellcheck disable=SC2086
+ kill -s $signal $PID_CONSUMERD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ retval=$?
+
+ if [ $retval -eq 1 ]; then
+ if [ "$withtap" -eq "1" ]; then
+ fail "Sending SIGSTOP to consumer daemon"
+ fi
+ return 1
+ else
+ out=1
+ while [ $out -ne 0 ]; do
+ pid="$(pgrep "$CONSUMERD_MATCH")"
+
+ # Wait until state becomes stopped for all
+ # consumers.
+ out=0
+ for consumer_pid in $pid; do
+ state="$(ps -p "$consumer_pid" -o state= )"
+ if [[ -n "$state" && "$state" != "T" ]]; then
+ out=1
+ fi
+ done
+ sleep 0.5
+ done
+ if [ "$withtap" -eq "1" ]; then
+ pass "Sending SIGSTOP to consumer daemon"
+ fi
+ fi
+ return $retval
+}
+
+function sigstop_lttng_consumerd()
+{
+ sigstop_lttng_consumerd_opt 1 "$@"
+}
+
+function sigstop_lttng_consumerd_notap()
+{
+ sigstop_lttng_consumerd_opt 0 "$@"
+}
+
+function list_lttng_with_opts ()
+{
+ local opts=$1
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN list $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Lttng-tool list command with option $opts"
+}
+
+function create_lttng_session_no_output ()
+{
+ local sess_name=$1
+ local opts="${@:2}"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name --no-output $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Create session $sess_name in no-output mode"
+}
+
+function create_lttng_session_uri () {
+ local sess_name=$1
+ local uri=$2
+ local opts="${@:3}"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -U $uri $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Create session $sess_name with uri:$uri and opts: $opts"
+}
+
+function create_lttng_session ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+ local trace_path=$4
+ local opt=$5
+
+ if [ -z "$trace_path" ]; then
+ # Use lttng-sessiond default output.
+ trace_path=""
+ else
+ trace_path="-o $trace_path"
+ fi
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN create "$sess_name" $trace_path $opt 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 "Create session $sess_name in $trace_path failed as expected"
+ fi
+ else
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Create session $sess_name in $trace_path"
+ fi
+ fi
+ return $ret
+}
+
+function create_lttng_session_ok ()
+{
+ create_lttng_session 1 0 "$@"
+}
+
+function create_lttng_session_fail ()
+{
+ create_lttng_session 1 1 "$@"
+}
+
+function create_lttng_session_notap ()
+{
+ create_lttng_session 0 0 "$@"
+}
+
+
+function enable_ust_lttng_channel ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+ local channel_name=$4
+ local opts="${@:5}"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name $opts 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 "Enable channel $channel_name for session $sess_name failed as expected"
+ fi
+ else
+ if [ $withtap -eq "1" ]; then
+ ok $ret "Enable channel $channel_name for session $sess_name"
+ fi
+ fi
+ return $ret
+}
+
+function enable_ust_lttng_channel_ok ()
+{
+ enable_ust_lttng_channel 1 0 "$@"
+}
+
+function enable_ust_lttng_channel_fail ()
+{
+ enable_ust_lttng_channel 1 1 "$@"
+}
+
+function enable_ust_lttng_channel_notap ()
+{
+ enable_ust_lttng_channel 0 0 "$@"
+}
+
+function disable_ust_lttng_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel -u $channel_name -s $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Disable channel $channel_name for session $sess_name"
+}
+
+function enable_lttng_mmap_overwrite_kernel_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable channel $channel_name for session $sess_name"
+}
+
+function enable_lttng_mmap_discard_small_kernel_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --discard --subbuf-size=$(getconf PAGE_SIZE) --num-subbuf=2 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable small discard channel $channel_name for session $sess_name"
+}
+
+function enable_lttng_mmap_overwrite_small_kernel_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite --subbuf-size=$(getconf PAGE_SIZE) --num-subbuf=2 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable small discard channel $channel_name for session $sess_name"
+}
+
+function enable_lttng_mmap_overwrite_ust_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -u --output mmap --overwrite 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable channel $channel_name for session $sess_name"
+}
+
+function enable_ust_lttng_event ()
+{
+ local withtap=$1
+ local expected_to_fail=$2
+ local sess_name=$3
+ local event_name="$4"
+ local channel_name=$5
+
+ if [ -z $channel_name ]; then
+ # default channel if none specified
+ chan=""
+ else
+ chan="-c $channel_name"
+ fi
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" $chan -s $sess_name -u 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 "Enable ust event $event_name for session $session_name failed as expected"
+ fi
+ else
+ if [[ $withtap -eq "1" ]]; then
+ ok $ret "Enable ust event $event_name for session $sess_name"
+ fi
+ fi
+ return $ret
+}
+
+function enable_ust_lttng_event_ok ()
+{
+ enable_ust_lttng_event 1 0 "$@"
+}
+
+function enable_ust_lttng_event_fail ()
+{
+ enable_ust_lttng_event 1 1 "$@"
+}
+
+function enable_ust_lttng_event_notap ()
+{
+ enable_ust_lttng_event 0 0 "$@"
+}
+
+function enable_jul_lttng_event()
+{
+ sess_name=$1
+ event_name="$2"
+ channel_name=$3