X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fmi%2Ftest_mi;h=cb0470bb76afcf91fa1097df13c19d4709625a70;hp=fa46b514ef90d98dfee68b220be3d9afd81eb4c1;hb=654f9f5e49aae2669d8ae771650b5e2dce5d660f;hpb=8d51ddbc52f9f5796f61fb661d47095c1ff1503f

diff --git a/tests/regression/tools/mi/test_mi b/tests/regression/tools/mi/test_mi
index fa46b514e..cb0470bb7 100755
--- a/tests/regression/tools/mi/test_mi
+++ b/tests/regression/tools/mi/test_mi
@@ -19,7 +19,7 @@ TEST_DESC="Machine interface testing"
 
 CURDIR=$(dirname $0)/
 TESTDIR=$CURDIR/../../../
-XSD_PATH=$TESTDIR/../src/common/mi_lttng.xsd
+XSD_PATH=$TESTDIR/../src/common/mi-lttng-3.0.xsd
 SESSIOND_BIN="lttng-sessiond"
 RELAYD_BIN="lttng-relayd"
 
@@ -27,8 +27,8 @@ RELAYD_BIN="lttng-relayd"
 TESTAPP_PATH="$TESTDIR/utils/testapp"
 TESTAPP_NAME="gen-ust-events"
 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
-NR_USEC_WAIT=10000
-
+NR_USEC_WAIT=0
+NR_ITER=10000
 
 #Temp file output
 OUTPUT_DIR=$(mktemp -d)
@@ -38,6 +38,7 @@ OUTPUT_FILE="default.xml"
 #Path to custom xml utilities
 XML_VALIDATE="$CURDIR/validate_xml $XSD_PATH"
 XML_EXTRACT="$CURDIR/extract_xml"
+XML_NODE_CHECK="$CURDIR/extract_xml -e"
 
 XPATH_CMD_OUTPUT="//command/output"
 XPATH_COMMAND_SUCCESS="/command/success/text()"
@@ -47,23 +48,25 @@ XPATH_ENABLE_EVENT_SUCCESS="$XPATH_CMD_OUTPUT/events/event/success/text()"
 XPATH_DISABLE_EVENT_SUCCESS="$XPATH_CMD_OUTPUT/channel/events/event/success/text()"
 XPATH_LIST_DOMAIN="$XPATH_CMD_OUTPUT/sessions/session/domains/domain"
 XPATH_LIST_CHANNEL="$XPATH_CMD_OUTPUT/sessions/session/domains/domain/channels/channel"
-XPATH_LIST_UST_EVENT="$XPATH_CMD_OUTPUT/domains/domain[./type = 'UST']/pids/pid/events/event"
+XPATH_LIST_UST_EVENT="$XPATH_CMD_OUTPUT/domains/domain[./type ='UST']/pids/pid/events/event"
 XPATH_SNAPSHOT_ADD_SNAPSHOT="$XPATH_CMD_OUTPUT/snapshot_action[./name = 'add-output']/output"
 XPATH_SNAPSHOT_LIST="$XPATH_CMD_OUTPUT/snapshot_action[./name = 'list-output']/output"
 XPATH_SNAPSHOT_DEL="$XPATH_CMD_OUTPUT/snapshot_action[./name = 'del-output']/output"
+XPATH_TRACK_UNTRACK_PID="$XPATH_CMD_OUTPUT/targets/pid_target"
+XPATH_PID_TRACKER="$XPATH_CMD_OUTPUT/sessions/session/domains/domain/trackers/pid_tracker"
 
 DEVNULL=/dev/null 2>&1
 
 DIR=$(readlink -f $TESTDIR)
 
-NUM_TESTS=178
+NUM_TESTS=222
 
 source $TESTDIR/utils/utils.sh
 
 #Overwrite the lttng_bin to get mi output
 LTTNG_BIN="lttng --mi xml"
 
-#Global devlaration for simplification
+#Global declaration for simplification
 LTTNG=$TESTDIR/../src/bin/lttng/$LTTNG_BIN
 
 #Overwrite the default output for utils.sh command
@@ -84,6 +87,17 @@ function extract_xml ()
 	eval $__result="'$output'"
 }
 
+function node_check_xml ()
+{
+	local xml=$1
+	local xpath=$2
+	local __result=$3
+	local output
+	output=$($XML_NODE_CHECK $xml "$xpath")
+	ok $? "Check of node existence with xpath $xpath"
+	eval $__result="'$output'"
+}
+
 # Arg1 is path to xml file
 # Arg2:
 #     is true if we expected the success element to be false
@@ -140,18 +154,18 @@ function test_create_session ()
 
 	OUTPUT_FILE="create_session.xml"
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-	create_lttng_session $session_name $OUTPUT_DIR
+	create_lttng_session_ok $session_name $OUTPUT_DIR
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "MI test: create session xsd validation"
 
 	#try to recreate a session. Expecting it to fail
-	create_lttng_session $session_name $OUTPUT_DIR true
+	create_lttng_session_fail $session_name $OUTPUT_DIR
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "MI test: expecting fail create session xsd validation"
 	is_command_success $OUTPUT_DEST true
 
 	OUTPUT_DEST=$DEVNULL
-	destroy_lttng_session $session_name
+	destroy_lttng_session_ok $session_name
 }
 
 function test_destroy_session ()
@@ -166,11 +180,11 @@ function test_destroy_session ()
 	#Test build up
 	OUTPUT_DEST=$DEVNULL
 	for (( i = 0; i < 3; i++ )); do
-		create_lttng_session ${session_name[$i]} $OUTPUT_DIR
+		create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR
 	done
 
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-	destroy_lttng_session ${session_name[0]}
+	destroy_lttng_session_ok ${session_name[0]}
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "MI test: destroy session ${session_name[0]} xsd validation"
 
@@ -191,7 +205,7 @@ function test_destroy_session ()
 	ok $? "Mi test: $num / 2 sessions discovered"
 
 	#Verify that if no session is present command fail and mi report it.
-	destroy_lttng_session ${session_name[0]} 1
+	destroy_lttng_session_fail ${session_name[0]}
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "MI test: failing destroy session ${session_name[0]} xsd validation"
 	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
@@ -212,7 +226,7 @@ function test_list_sessions ()
 	#Test buid up
 	OUTPUT_DEST=$DEVNULL
 	for (( i = 0; i < 3; i++ )); do
-		create_lttng_session ${session_name[$i]} $OUTPUT_DIR
+		create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR
 	done
 
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
@@ -242,24 +256,24 @@ function test_ust_channel ()
 
 	#Test buil up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
+	create_lttng_session_ok $session_name $OUTPUT_DIR
 
 	#Test the enable_channel command
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-	enable_ust_lttng_channel $session_name ${channel_name[0]}
+	enable_ust_lttng_channel_ok $session_name ${channel_name[0]}
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: enable ust channel xsd validation"
 	is_command_success $OUTPUT_DEST false
 
 	#Expect the command to fail
-	enable_ust_lttng_channel $session_name ${channel_name[0]} true
+	enable_ust_lttng_channel_fail $session_name ${channel_name[0]}
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: fail enable ust channel xsd validation"
 	is_command_success $OUTPUT_DEST true
 
 	#Create two ust channel to test multiple disable
 	for (( i = 1; i < 3; i++ )); do
-		enable_ust_lttng_channel $session_name ${channel_name[$i]}
+		enable_ust_lttng_channel_ok $session_name ${channel_name[$i]}
 	done
 
 	#Test the disable_channel command
@@ -300,18 +314,18 @@ function test_ust_lttng_event ()
 
 	#Test build up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
-	enable_ust_lttng_channel $session_name $channel_name
+	create_lttng_session_ok $session_name $OUTPUT_DIR
+	enable_ust_lttng_channel_ok $session_name $channel_name
 
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
 	#Test the enable event for ust domain
-	enable_ust_lttng_event $session_name ${event[0]} $channel_name
+	enable_ust_lttng_event_ok $session_name ${event[0]} $channel_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: Enable_event for ust domain xsd validation"
 	is_command_success $OUTPUT_DEST false
 
 	#Try to reenable an enabled event. Should fail
-	enable_ust_lttng_event $session_name ${event[0]} $channel_name true
+	enable_ust_lttng_event_fail $session_name ${event[0]} $channel_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: Fail enable_event for ust domain xsd validation"
 	is_command_success $OUTPUT_DEST true
@@ -324,11 +338,11 @@ function test_ust_lttng_event ()
 	#Event[*] print all the element inside the array with the IFS in between
 	concat_event=$( IFS=$','; echo "${event[*]}" )
 
-	enable_ust_lttng_event $session_name $concat_event $channel_name true
+	enable_ust_lttng_event_fail $session_name $concat_event $channel_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: Multiple enable ust event with inside fail xsd validation"
 
-	#Check for 2 success = true et 1 false
+	#Check for 2 success = true and 1 success = false
 	extract_xml $OUTPUT_DEST $XPATH_ENABLE_EVENT_SUCCESS result
 	num_ocur=$(grep -o "true" <<< "$result" | wc -l)
 	test "$num_ocur" -eq "2"
@@ -372,12 +386,12 @@ function test_list_channel ()
 
 	#Test buid up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
-	enable_ust_lttng_channel $session_name $channel_name
+	create_lttng_session_ok $session_name $OUTPUT_DIR
+	enable_ust_lttng_channel_ok $session_name $channel_name
 
 	#Enable ust and jul events
 	concat_event=$( IFS=$','; echo "${event[*]}" )
-	enable_ust_lttng_event $session_name $concat_event $channel_name
+	enable_ust_lttng_event_ok $session_name $concat_event $channel_name
 
 	#Begin testing
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
@@ -402,7 +416,7 @@ function test_list_channel ()
 
 	#Add a channel and make sure we have 2 channel now
 	OUTPUT_DEST=$DEVNULL
-	enable_ust_lttng_channel $session_name $channel_name"a"
+	enable_ust_lttng_channel_ok $session_name $channel_name"a"
 
 	#Teardown
 	OUTPUT_DEST=$DEVNULL
@@ -419,12 +433,12 @@ function test_list_domain ()
 
 	#Test buid up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
-	enable_ust_lttng_channel $session_name $channel_name
+	create_lttng_session_ok $session_name $OUTPUT_DIR
+	enable_ust_lttng_channel_ok $session_name $channel_name
 
 	#Enable ust and jul events
 	concat_event=$( IFS=$','; echo "${event[*]}" )
-	enable_ust_lttng_event $session_name $concat_event $channel_name
+	enable_ust_lttng_event_ok $session_name $concat_event $channel_name
 	enable_jul_lttng_event $session_name $concat_event $channel_name
 
 	#Begin testing
@@ -467,12 +481,12 @@ function test_list_session ()
 
 	#Test buid up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
-	enable_ust_lttng_channel $session_name $channel_name
+	create_lttng_session_ok $session_name $OUTPUT_DIR
+	enable_ust_lttng_channel_ok $session_name $channel_name
 
 	#Enable ust and jul events
 	concat_event=$( IFS=$','; echo "${event[*]}" )
-	enable_ust_lttng_event $session_name $concat_event $channel_name
+	enable_ust_lttng_event_ok $session_name $concat_event $channel_name
 	enable_jul_lttng_event $session_name $concat_event $channel_name
 
 	#Begin testing
@@ -500,32 +514,50 @@ function test_list_session ()
 
 function test_list_ust_event ()
 {
+	local file_sync_after_first=$(mktemp -u)
+	local file_sync_before_last=$(mktemp -u)
+
 	OUTPUT_FILE="list_ust_event.xml"
 
 	#Test buid up
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
 
 	#Begin testing
-	$TESTAPP_BIN $NR_USEC_WAIT & 2>/dev/null
+	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} & 2>/dev/null
+
+	while [ ! -f "${file_sync_after_first}" ]; do
+		sleep 0.5
+	done
+
 	list_lttng_with_opts "-u -f"
+
+	touch ${file_sync_before_last}
+
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: list ust event xsd validation"
 
-	#Extract events 3 events should be present
+	#Extract events
 	extract_xml $OUTPUT_DEST "$XPATH_LIST_UST_EVENT""/name/text()" result
 	num=$(echo "$result" | wc -l)
-	test "$num" -eq "3"
-	ok $? "Mi test: $num / 3 ust events discovered"
 
-	#Extract field from tp:tptest event. Expect 12
+	#Since the number of events is prone to change we only look for >= from a
+	#base number. An alternative would be to look for each events but this
+	#is complicated for nothing.
+	test "$num" -ge "5"
+	ok $? "Mi test: $num / 5 ust events discovered"
+
+	#Extract field from tp:tptest event. Expect >= to 12 because number of
+	#field is prone to change.
 	extract_xml $OUTPUT_DEST "$XPATH_LIST_UST_EVENT""[./name = 'tp:tptest']/event_fields/event_field/name/text()" result
 	num=$(echo "$result" | wc -l)
-	test "$num" -eq "12"
+	test "$num" -ge "12"
 	ok $? "Mi test: $num / 12 ust event fields discovered"
 
-	#Wait for last forked process
-	wait $!
+	#Wait for all background processes
+	wait
 
+	rm -f ${file_sync_after_first}
+	rm -f ${file_sync_before_last}
 }
 
 function test_start_stop () {
@@ -536,12 +568,12 @@ function test_start_stop () {
 
 	#Test buid up
 	OUTPUT_DEST=$DEVNULL
-	create_lttng_session $session_name $OUTPUT_DIR
+	create_lttng_session_ok $session_name $OUTPUT_DIR
 
 	#Test fail command
 	#No channel enable start command should return element success false
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-	start_lttng_tracing $session_name 1
+	start_lttng_tracing_fail $session_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: failed start xsd validation"
 
@@ -552,11 +584,11 @@ function test_start_stop () {
 
 	#Enable a channel to test success
 	OUTPUT_DEST=$DEVNULL
-	enable_ust_lttng_channel $session_name $channel_name
+	enable_ust_lttng_channel_ok $session_name $channel_name
 
 	#Start tracing
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-	start_lttng_tracing $session_name
+	start_lttng_tracing_ok $session_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: start xsd validation"
 
@@ -576,7 +608,7 @@ function test_start_stop () {
 	ok $? "Mi test: enabled element : $result expected: true"
 
 	#Test stop command
-	stop_lttng_tracing $session_name
+	stop_lttng_tracing_ok $session_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: stop xsd validation"
 
@@ -591,7 +623,7 @@ function test_start_stop () {
 	ok $? "Mi test: enabled element : $result expected: false"
 
 	#Test failing stop command
-	stop_lttng_tracing $session_name 1
+	stop_lttng_tracing_fail $session_name
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: failed stop xsd validation"
 
@@ -603,7 +635,6 @@ function test_start_stop () {
 	#Teardown
 	OUTPUT_DEST=$DEVNULL
 	destroy_lttng_sessions
-
 }
 
 function test_snapshot () {
@@ -619,7 +650,7 @@ function test_snapshot () {
 	#Test fail command
 	#No channel enable start command should return element success false
 	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
-    lttng_snapshot_add_output $session_name $snapshot_path
+	lttng_snapshot_add_output_ok $session_name $snapshot_path
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: snapshot xsd validation"
 
@@ -652,7 +683,7 @@ function test_snapshot () {
 	ok $? "Mi test: snapshot list extracted snapshot: $result expected: $snapshot_name"
 
 	#Test del output
-	lttng_snapshot_del_output $session_name $snapshot_id
+	lttng_snapshot_del_output_ok $session_name $snapshot_id
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: snapshot delete xsd validation"
 
@@ -671,7 +702,7 @@ function test_snapshot () {
 	ok $? "Mi test: snapshot del extracted snapshot id: $result expected: $session_name"
 
 	#Test fail on delete command
-	lttng_snapshot_del_output $session_name $snapshot_id 1
+	lttng_snapshot_del_output_fail $session_name $snapshot_id
 	$XML_VALIDATE $OUTPUT_DEST
 	ok $? "Mi test: snapshot delete xsd validation"
 
@@ -684,6 +715,141 @@ function test_snapshot () {
 	destroy_lttng_sessions
 }
 
+function test_track_untrack ()
+{
+	diag "Test track/untrack pid"
+
+	local session_name="testTrack"
+	local snapshot_path="$OUTPUT_DIR/trackoutput"
+	local pid="1,2,3"
+	OUTPUT_FILE="track.xml"
+
+	#Test buid up
+	OUTPUT_DEST=$DEVNULL
+	create_lttng_session_no_output $session_name
+
+	OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE
+	lttng_track_ok "-p $pid -u"
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: track pid xsd validation"
+
+	#Expect a true element
+	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
+	test "$result" = "true"
+	ok $? "Mi test: track pid is a success"
+
+	#Verify that there is 3 process
+	extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_PID"/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "3"
+	ok $? "Mi test: track pid expecting 3 processes got $num"
+
+	#Test the pid_tracker listing
+	list_lttng_with_opts $session_name
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: session list with pid_tracker validate"
+
+	#Check the good count
+	extract_xml $OUTPUT_DEST $XPATH_PID_TRACKER"/targets/pid_target/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "3"
+	ok $? "Mi test: tracker pid listing expecting 3 target got $num"
+
+	#Untrack pid 2,3
+	lttng_untrack_ok "-p 2,3 -u"
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: untrack pid xsd validation"
+
+	#Expect a true element
+	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
+	test "$result" = "true"
+	ok $? "Mi test: untrack pid is a success"
+
+	#Verify that there is 2 untracked pids
+	extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_PID"/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "2"
+	ok $? "Mi test: untrack pid expecting 2 process got $num"
+
+	#Check pid_tracker listing
+	list_lttng_with_opts $session_name
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: session list with pid_tracker validate"
+
+	#Check the good count
+	extract_xml $OUTPUT_DEST $XPATH_PID_TRACKER"/targets/pid_target/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "1"
+	ok $? "Mi test: tracker pid listing expecting 1 process got $num"
+
+	#Untrack all
+	lttng_untrack_ok "-p -u -a"
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: untrack pid xsd validation"
+
+	#Expect a true element
+	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
+	test "$result" = "true"
+	ok $? "Mi test: untrack all pid is a success"
+
+	#Verify that there is 1 untracked pid
+	extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_PID"/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "1"
+	ok $? "Mi test: untrack pid expecting 1 process got $num"
+
+	#Test if the id is * which represent the all argument
+	test "$result" = "*"
+	ok $? "Mi test: pid expected is * got $result"
+
+	#Test if pid_tracker is enabled as definied by pid_tracker
+	#behavior. If all pid are untrack than the pid_tracker is still
+	#enabled (pid_tracker node is present).
+	list_lttng_with_opts $session_name
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: session list with pid_tracker validate"
+
+	#Check the good count
+	extract_xml $OUTPUT_DEST $XPATH_PID_TRACKER"/targets/pid_target/pid" result
+	num=$(echo -n "$result" | wc -l)
+	test "$num" -eq "0"
+	ok $? "Mi test: tracker pid listing expecting 0 process got $num"
+
+	#Test track all
+	lttng_track_ok "-p -u -a"
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: track pid xsd validation"
+
+	#Expect a true element
+	extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result
+	test "$result" = "true"
+	ok $? "Mi test: track all pid is a success"
+
+	#Verify that there is 1 tracked process
+	extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_PID"/pid" result
+	num=$(echo "$result" | wc -l)
+	test "$num" -eq "1"
+	ok $? "Mi test: track pid expecting 1 process got $num"
+
+	#Test if the id is * wich represent the all argument
+	test "$result" = "*"
+	ok $? "Mi test: pid expected is * got $result"
+
+	#Test if pid_tracker is enabled as definied by pid_tracker
+	#behavior. If all pid are untrack thant the pid_tracker is
+	#disabled (node pid_tracker do not exist)
+	list_lttng_with_opts $session_name
+	$XML_VALIDATE $OUTPUT_DEST
+	ok $? "Mi test: session list with pid_tracker validate"
+
+	node_check_xml $OUTPUT_DEST $XPATH_PID_TRACKER result
+	test "$result" = ""
+	ok $? "Mi test: Pid_tracker node is absent as defined"
+
+	OUTPUT_DEST=$DEVNULL
+	destroy_lttng_sessions
+}
+
 start_lttng_sessiond $FOO_LOAD_DIR
 TESTS=(
 	test_version
@@ -698,6 +864,7 @@ TESTS=(
 	test_list_ust_event
 	test_start_stop
 	test_snapshot
+	test_track_untrack
 )