X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Futils%2Futils.sh;h=5b81febb6bfb5c52ba9e3eff2c451175603326ad;hp=5ffe6eb47ad8da6836e3e183356cb09066360033;hb=1c362dc78cf2e28c8935efcb5d4a85ef5d5967ba;hpb=8dcef147f49823d92c8fcd0914bf038c5d0eab40

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 5ffe6eb47..5b81febb6 100644
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -16,8 +16,11 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 
 SESSIOND_BIN="lttng-sessiond"
+SESSIOND_PIDS=""
+RUNAS_BIN="lttng-runas"
 CONSUMERD_BIN="lttng-consumerd"
 RELAYD_BIN="lttng-relayd"
+RELAYD_PIDS=""
 LTTNG_BIN="lttng"
 BABELTRACE_BIN="babeltrace"
 OUTPUT_DEST=/dev/null
@@ -33,8 +36,30 @@ KERNEL_PATCHLEVEL_VERSION=27
 # systems. Specialized tests should test those corner-cases.
 export LTTNG_UST_REGISTER_TIMEOUT=-1
 
+# We set the default lttng-sessiond path to /bin/true to prevent the spawning
+# of a daemonized sessiond. This is necessary since 'lttng create' will spawn
+# its own sessiond if none is running. It also ensures that 'lttng create'
+# fails when no sessiond is running.
+export LTTNG_SESSIOND_PATH="/bin/true"
+
 source $TESTDIR/utils/tap/tap.sh
 
+function full_cleanup ()
+{
+	if [ -n "${SESSIOND_PIDS}" ] || [ -n "${RELAYD_PIDS}" ]; then
+		kill -9 ${SESSIOND_PIDS} ${RELAYD_PIDS} > /dev/null 2>&1
+	fi
+
+	# Disable trap for SIGTERM since the following kill to the
+	# pidgroup will be SIGTERM. Otherwise it loops.
+	# The '-' before the pid number ($$) indicates 'kill' to signal the
+	# whole process group.
+	trap - SIGTERM && kill -- -$$
+}
+
+
+trap full_cleanup SIGINT SIGTERM
+
 function print_ok ()
 {
 	# Check if we are a terminal
@@ -82,7 +107,17 @@ function validate_kernel_version ()
 function randstring()
 {
 	[ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
-	cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-16}
+	cat /dev/urandom 2>/dev/null | tr -cd "$CHAR" 2>/dev/null | head -c ${1:-16} 2>/dev/null
+	echo
+}
+
+# Return the number of _configured_ CPUs.
+function conf_proc_count()
+{
+	getconf _NPROCESSORS_CONF
+	if [ $? -ne 0 ]; then
+		diag "Failed to get the number of configured CPUs"
+	fi
 	echo
 }
 
@@ -194,7 +229,7 @@ function lttng_disable_kernel_syscall()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test $ret -ne "0"
-		ok $? "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name fail as expected"
+		ok $? "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name failed as expected"
 	else
 		ok $ret "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name"
 	fi
@@ -220,7 +255,7 @@ function lttng_enable_kernel_channel()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected failure on kernel channel creation $channel_name in $sess_name"
+		ok $? "Enable channel $channel_name for session $sess_name failed as expected"
 	else
 		ok $ret "Enable channel $channel_name for session $sess_name"
 	fi
@@ -246,9 +281,9 @@ function lttng_disable_kernel_channel()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected failure on kernel channel creation $channel_name in $sess_name"
+		ok $? "Disable channel $channel_name for session $sess_name failed as expected"
 	else
-		ok $ret "disable channel $channel_name for session $sess_name"
+		ok $ret "Disable channel $channel_name for session $sess_name"
 	fi
 }
 
@@ -269,7 +304,7 @@ function start_lttng_relayd_opt()
 
 	DIR=$(readlink -f $TESTDIR)
 
-	if [ -z $(pidof lt-$RELAYD_BIN) ]; then
+	if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
 		$DIR/../src/bin/lttng-relayd/$RELAYD_BIN -b $opt 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
 		#$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
 		if [ $? -eq 1 ]; then
@@ -285,6 +320,8 @@ function start_lttng_relayd_opt()
 	else
 		pass "Start lttng-relayd (opt: $opt)"
 	fi
+
+	RELAYD_PIDS=$(pgrep --full lt-$RELAYD_BIN)
 }
 
 function start_lttng_relayd()
@@ -301,12 +338,10 @@ function stop_lttng_relayd_opt()
 {
 	local withtap=$1
 
-	PID_RELAYD=`pidof lt-$RELAYD_BIN`
-
 	if [ $withtap -eq "1" ]; then
-		diag "Killing lttng-relayd (pid: $PID_RELAYD)"
+		diag "Killing lttng-relayd (pid: $RELAYD_PIDS)"
 	fi
-	kill $PID_RELAYD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+	kill $RELAYD_PIDS 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
 	retval=$?
 
 	if [ $? -eq 1 ]; then
@@ -317,13 +352,14 @@ function stop_lttng_relayd_opt()
 	else
 		out=1
 		while [ -n "$out" ]; do
-			out=$(pidof lt-$RELAYD_BIN)
+			out=$(pgrep --full lt-$RELAYD_BIN)
 			sleep 0.5
 		done
 		if [ $withtap -eq "1" ]; then
 			pass "Kill relay daemon"
 		fi
 	fi
+	RELAYD_PIDS=""
 	return $retval
 }
 
@@ -359,10 +395,10 @@ function start_lttng_sessiond_opt()
 	: ${LTTNG_SESSION_CONFIG_XSD_PATH=${DIR}/../src/common/config/}
 	export LTTNG_SESSION_CONFIG_XSD_PATH
 
-	if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
+	if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
 		# Have a load path ?
 		if [ -n "$load_path" ]; then
-			$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --load "$1" --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
+			$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --load "$load_path" --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
 		else
 			$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
 		fi
@@ -372,6 +408,7 @@ function start_lttng_sessiond_opt()
 			ok $status "Start session daemon"
 		fi
 	fi
+	SESSIOND_PIDS=$(pgrep --full lt-$SESSIOND_BIN)
 }
 
 function start_lttng_sessiond()
@@ -395,13 +432,15 @@ function stop_lttng_sessiond_opt()
 		return
 	fi
 
-	PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
+	local pids="${SESSIOND_PIDS} $(pgrep --full $RUNAS_BIN)"
 
 	if [ -n "$2" ]; then
 		kill_opt="$kill_opt -s $signal"
 	fi
-
-	kill $kill_opt $PID_SESSIOND 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+	if [ $withtap -eq "1" ]; then
+		diag "Killing lt-$SESSIOND_BIN pids: $(echo $pids | tr '\n' ' ')"
+	fi
+	kill $kill_opt $pids 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
 
 	if [ $? -eq 1 ]; then
 		if [ $withtap -eq "1" ]; then
@@ -410,14 +449,16 @@ function stop_lttng_sessiond_opt()
 	else
 		out=1
 		while [ -n "$out" ]; do
-			out=$(pidof lt-$SESSIOND_BIN)
+			out=$(pgrep --full lt-$SESSIOND_BIN)
 			sleep 0.5
 		done
 		out=1
 		while [ -n "$out" ]; do
-			out=$(pidof $CONSUMERD_BIN)
+			out=$(pgrep --full $CONSUMERD_BIN)
 			sleep 0.5
 		done
+
+		SESSIOND_PIDS=""
 		if [ $withtap -eq "1" ]; then
 			pass "Kill session daemon"
 		fi
@@ -434,20 +475,76 @@ function stop_lttng_sessiond_notap()
 	stop_lttng_sessiond_opt 0 "$@"
 }
 
+function sigstop_lttng_sessiond_opt()
+{
+	local withtap=$1
+	local signal=SIGSTOP
+	local kill_opt=""
+
+	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
+		# Env variable requested no session daemon
+		return
+	fi
+
+	PID_SESSIOND="$(pgrep --full lt-$SESSIOND_BIN) $(pgrep --full $RUNAS_BIN)"
+
+	kill_opt="$kill_opt -s $signal"
+
+	if [ $withtap -eq "1" ]; then
+		diag "Sending SIGSTOP to lt-$SESSIOND_BIN pids: $(echo $PID_SESSIOND | tr '\n' ' ')"
+	fi
+	kill $kill_opt $PID_SESSIOND 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+
+	if [ $? -eq 1 ]; then
+		if [ $withtap -eq "1" ]; then
+			fail "Sending SIGSTOP to session daemon"
+		fi
+	else
+		out=1
+		while [ $out -ne 0 ]; do
+			pid=$(pgrep --full lt-$SESSIOND_BIN)
+
+			# Wait until state becomes stopped for session
+			# daemon(s).
+			out=0
+			for sessiond_pid in $pid; do
+				state=$(ps -p $sessiond_pid -o state= )
+				if [[ -n "$state" && "$state" != "T" ]]; then
+					out=1
+				fi
+			done
+			sleep 0.5
+		done
+		if [ $withtap -eq "1" ]; then
+			pass "Sending SIGSTOP to session daemon"
+		fi
+	fi
+}
+
+function sigstop_lttng_sessiond()
+{
+	sigstop_lttng_sessiond_opt 1 "$@"
+}
+
+function sigstop_lttng_sessiond_notap()
+{
+	sigstop_lttng_sessiond_opt 0 "$@"
+}
+
 function stop_lttng_consumerd_opt()
 {
 	local withtap=$1
 	local signal=$2
 	local kill_opt=""
 
-	PID_CONSUMERD=`pidof $CONSUMERD_BIN`
+	PID_CONSUMERD=`pgrep --full $CONSUMERD_BIN`
 
 	if [ -n "$2" ]; then
 		kill_opt="$kill_opt -s $signal"
 	fi
 
 	if [ $withtap -eq "1" ]; then
-		diag "Killing lttng-consumerd (pid: $PID_CONSUMERD)"
+		diag "Killing $CONSUMERD_BIN pids: $(echo $PID_CONSUMERD | tr '\n' ' ')"
 	fi
 	kill $kill_opt $PID_CONSUMERD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
 	retval=$?
@@ -461,7 +558,7 @@ function stop_lttng_consumerd_opt()
 	else
 		out=1
 		while [ $out -ne 0 ]; do
-			pid=$(pidof $CONSUMERD_BIN)
+			pid=$(pgrep --full $CONSUMERD_BIN)
 
 			# If consumerds are still present check their status.
 			# A zombie status qualifies the consumerd as *killed*
@@ -491,6 +588,61 @@ function stop_lttng_consumerd_notap()
 	stop_lttng_consumerd_opt 0 "$@"
 }
 
+function sigstop_lttng_consumerd_opt()
+{
+	local withtap=$1
+	local signal=SIGSTOP
+	local kill_opt=""
+
+	PID_CONSUMERD=`pgrep --full $CONSUMERD_BIN`
+
+	kill_opt="$kill_opt -s $signal"
+
+	if [ $withtap -eq "1" ]; then
+		diag "Sending SIGSTOP to $CONSUMERD_BIN pids: $(echo $PID_CONSUMERD | tr '\n' ' ')"
+	fi
+	kill $kill_opt $PID_CONSUMERD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+	retval=$?
+	set +x
+
+	if [ $? -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 --full $CONSUMERD_BIN)
+
+			# 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=$1
@@ -517,7 +669,7 @@ function create_lttng_session ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected fail on session creation $sess_name in $trace_path"
+		ok $? "Create session $sess_name in $trace_path failed as expected"
 	else
 		ok $ret "Create session $sess_name in $trace_path"
 	fi
@@ -536,16 +688,16 @@ function create_lttng_session_fail ()
 
 function enable_ust_lttng_channel ()
 {
-	local expect_fail=$1
+	local expected_to_fail=$1
 	local sess_name=$2
 	local channel_name=$3
 	local opt=$4
 
 	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name $opt 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
 	ret=$?
-	if [[ $expect_fail -eq "1" ]]; then
+	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected fail on ust channel creation $channel_name in $sess_name"
+		ok $? "Enable channel $channel_name for session $sess_name failed as expected"
 	else
 		ok $ret "Enable channel $channel_name for session $sess_name"
 	fi
@@ -606,9 +758,9 @@ function enable_ust_lttng_event ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test $ret -ne "0"
-		ok $? "Enable ust event $event_name for session $session_name on channel $channel_name failed as expected"
+		ok $? "Enable ust event $event_name for session $session_name failed as expected"
 	else
-		ok $ret "Enable event $event_name for session $sess_name"
+		ok $ret "Enable ust event $event_name for session $sess_name"
 	fi
 }
 
@@ -810,7 +962,7 @@ function start_lttng_tracing ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected fail on start tracing for session: $sess_name"
+		ok $? "Start tracing for session $sess_name failed as expected"
 	else
 		ok $ret "Start tracing for session $sess_name"
 	fi
@@ -835,7 +987,7 @@ function stop_lttng_tracing ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected fail on stop tracing for session: $sess_name"
+		ok $? "Stop lttng tracing for session $sess_name failed as expected"
 	else
 		ok $ret "Stop lttng tracing for session $sess_name"
 	fi
@@ -860,7 +1012,7 @@ function destroy_lttng_session ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expected fail on session deletion $sess_name"
+		ok $? "Destroy session $sess_name failed as expected"
 	else
 		ok $ret "Destroy session $sess_name"
 	fi
@@ -894,7 +1046,7 @@ function lttng_snapshot_add_output ()
 	ret=$?
 	if [[ $expected_to_fail -eq 1 ]]; then
 		test "$ret" -ne "0"
-		ok $? "Failed to add a  snapshot output file://$trace_path as expected"
+		ok $? "Added snapshot output file://$trace_path failed as expected"
 	else
 		ok $ret "Added snapshot output file://$trace_path"
 	fi
@@ -920,7 +1072,7 @@ function lttng_snapshot_del_output ()
 	ret=$?
 	if [[ $expected_to_fail -eq "1" ]]; then
 		test "$ret" -ne "0"
-		ok $? "Expect fail on deletion of snapshot output id $id"
+		ok $? "Deleted snapshot output id $id failed as expected"
 	else
 		ok $ret "Deleted snapshot output id $id"
 	fi
@@ -958,7 +1110,7 @@ function lttng_save()
 	local opts=$2
 
 	$TESTDIR/../src/bin/lttng/$LTTNG_BIN save $sess_name $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
-	ok $? "Session successfully saved"
+	ok $? "Session saved"
 }
 
 function lttng_load()
@@ -966,7 +1118,7 @@ function lttng_load()
 	local opts=$1
 
 	$TESTDIR/../src/bin/lttng/$LTTNG_BIN load $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
-	ok $? "Load command successful"
+	ok $? "Load command with opts: $opts"
 }
 
 function lttng_track()
@@ -979,7 +1131,7 @@ function lttng_track()
 		test $ret -ne "0"
 		ok $? "Track command failed as expected with opts: $opts"
 	else
-		ok $ret "Track command success as expected with opts: $opts"
+		ok $ret "Track command with opts: $opts"
 	fi
 }
 
@@ -1003,7 +1155,7 @@ function lttng_untrack()
 		test $ret -ne "0"
 		ok $? "Untrack command failed as expected with opts: $opts"
 	else
-		ok $ret "Untrack command success as expected with opts: $opts"
+		ok $ret "Untrack command with opts: $opts"
 	fi
 }
 
@@ -1179,3 +1331,37 @@ function validate_trace_empty()
 	ret=$?
 	return $ret
 }
+
+function metadata_regenerate ()
+{
+	local expected_to_fail=$1
+	local sess_name=$2
+
+	$TESTDIR/../src/bin/lttng/$LTTNG_BIN metadata regenerate -s $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+	ret=$?
+	if [[ $expected_to_fail -eq "1" ]]; then
+		test "$ret" -ne "0"
+		ok $? "Expected fail on regenerate $sess_name"
+	else
+		ok $ret "Metadata regenerate $sess_name"
+	fi
+}
+
+function metadata_regenerate_ok ()
+{
+	metadata_regenerate 0 "$@"
+}
+
+function metadata_regenerate_fail ()
+{
+	metadata_regenerate 1 "$@"
+}
+
+function destructive_tests_enabled ()
+{
+	if [ ${LTTNG_ENABLE_DESTRUCTIVE_TESTS} = "will-break-my-system" ]; then
+		return 0
+	else
+		return 1
+	fi
+}