[lttng-tools.git] / tests / utils.sh

#!/src/bin/bash
#
# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; version 2.1 of the License.
#
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

SESSIOND_BIN="lttng-sessiond"
RELAYD_BIN="lttng-relayd"
LTTNG_BIN="lttng"
BABELTRACE_BIN="babeltrace"

# Minimal kernel version supported for session daemon tests
KERNEL_MAJOR_VERSION=2
KERNEL_MINOR_VERSION=6
KERNEL_PATCHLEVEL_VERSION=27

function print_ok ()
{
	# Check if we are a terminal
	if [ -t 1 ]; then
		echo -e "\e[1;32mOK\e[0m"
	else
		echo -e "OK"
	fi
}

function print_fail ()
{
	# Check if we are a terminal
	if [ -t 1 ]; then
		echo -e "\e[1;31mFAIL\e[0m"
	else
		echo -e "FAIL"
	fi
}

function print_test_banner ()
{
	desc="$1"

	count=$((${#desc}+2))
	str=$(printf "%${count}s");
	echo -e "\n"
	echo -e ${str// /-}
	echo -e " $desc "
	echo -e ${str// /-}
}

function validate_kernel_version ()
{
	kern_version=($(uname -r | awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' | tr '.' '\n'))
	if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
		return 0
	fi
	if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
		return 0
	fi
	if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
		return 0
	fi
	return 1
}

# Generate a random string 
#  $1 = number of characters; defaults to 16
#  $2 = include special characters; 1 = yes, 0 = no; defaults to yes
function randstring() 
{
	[ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
	cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-16}
	echo
}

function spawn_sessiond ()
{
	echo ""
	echo -n "Starting session daemon... "
	validate_kernel_version
	if [ $? -ne 0 ]; then
		echo -e "\n*** Kernel too old for session daemon tests ***\n"
		return 2
	fi

	DIR=$(readlink -f $TESTDIR)

	if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
		$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --daemonize --quiet --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 --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --verbose-consumer >>/tmp/sessiond.log 2>&1 &
		if [ $? -eq 1 ]; then
		        print_fail
			return 1
		else
		        print_ok
		fi
	fi

	return 0
}

function lttng_enable_kernel_event
{
	sess_name=$1
	event_name=$2

	if [ -z $event_name ]; then
		# Enable all event if no event name specified
		$event_name="-a"
	fi

	echo -n "Enabling kernel event $event_name for session $sess_name"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -k >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
	        print_ok
	fi
}

function start_lttng_relayd
{
	local opt="$1"

	echo -e -n "Starting lttng-relayd (opt: $opt)... "

	DIR=$(readlink -f $TESTDIR)

	if [ -z $(pidof lt-$RELAYD_BIN) ]; then
		$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >/dev/null 2>&1 &
		#$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
		if [ $? -eq 1 ]; then
		        print_fail
			return 1
		else
			print_ok
		fi
	else
		print_ok
	fi
}

function stop_lttng_relayd
{
	PID_RELAYD=`pidof lt-$RELAYD_BIN`

	echo -e -n "Killing lttng-relayd (pid: $PID_RELAYD)... "
	kill $PID_RELAYD >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		out=1
		while [ -n "$out" ]; do
			out=$(pidof lt-$RELAYD_BIN)
			sleep 0.5
		done
		print_ok
		return 0
	fi
}

function start_lttng_sessiond()
{
	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
		# Env variable requested no session daemon
		return
	fi

	spawn_sessiond
	out=$?
	if [ $out -eq 2 ]; then
		# Kernel version is not compatible.
		exit 0
	elif [ $out -ne 0 ]; then
		echo "NOT bad $?"
		exit 1
	fi

	# Simply wait for the session daemon bootstrap
	echo "Waiting for the session daemon to bootstrap (2 secs)"
	sleep 2
}

function stop_lttng_sessiond ()
{
	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
		# Env variable requested no session daemon
		return
	fi

	PID_SESSIOND=`pidof lt-$SESSIOND_BIN`

	echo -e -n "Killing session daemon... "
	kill $PID_SESSIOND >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		out=1
		while [ -n "$out" ]; do
			out=$(pidof lt-$SESSIOND_BIN)
			sleep 0.5
		done
		print_ok
	fi
}

function create_lttng_session ()
{
	sess_name=$1
	trace_path=$2

	echo -n "Creating lttng session $sess_name in $trace_path "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		print_ok
	fi
}

function enable_lttng_channel()
{
	sess_name=$1
	channel_name=$2

	echo -n "Enabling lttng channel $channel_name for session $sess_name"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel $channel_name -s $sess_name >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		print_ok
	fi
}

function disable_lttng_channel()
{
	sess_name=$1
	channel_name=$2

	echo -n "Disabling lttng channel $channel_name for session $sess_name"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel $channel_name -s $sess_name >/dev/null 2>&1
	if [ $? -eq 1 ]; then
	        print_fail
		return 1
	else
	        print_ok
	fi
}

function enable_ust_lttng_event ()
{
	sess_name=$1
	event_name="$2"

	echo -n "Enabling lttng event $event_name for session $sess_name "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		print_ok
	fi
}

function enable_ust_lttng_event_filter()
{
	sess_name="$1"
	event_name="$2"
	filter="$3"
	echo -n "Enabling lttng event with filtering "

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2>&1 >/dev/null
	if [ $? -eq 0 ]; then
		print_ok
		return 0
	else
		print_fail
		return 1
	fi
}

function enable_ust_lttng_event_loglevel()
{
	sess_name="$1"
	event_name="$2"
	loglevel="$3"
	echo -n "Enabling lttng event $event_name with loglevel $loglevel"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --loglevel $loglevel 2>&1 >/dev/null
	if [ $? -eq 0 ]; then
		print_ok
		return 0
	else
		print_fail
		return 1
	fi
}

function enable_ust_lttng_event_loglevel_only()
{
	sess_name="$1"
	event_name="$2"
	loglevel="$3"
	echo -n "Enabling lttng event $event_name with loglevel-only $loglevel"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --loglevel-only $loglevel 2>&1 >/dev/null
	if [ $? -eq 0 ]; then
		print_ok
		return 0
	else
		print_fail
		return 1
	fi
}

function disable_ust_lttng_event ()
{
	sess_name=$1
	event_name=$2

	echo -n "Disabling lttng event $event_name for session $sess_name "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event $event_name -s $sess_name -u >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
		print_ok
	fi
}

function start_lttng_tracing ()
{
	sess_name=$1

	echo -n "Start lttng tracing for session $sess_name "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
	        print_ok
	fi
}

function stop_lttng_tracing ()
{
	sess_name=$1

	echo -n "Stop lttng tracing for session $sess_name "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
	        print_ok
	fi
}

function destroy_lttng_session ()
{
	sess_name=$1

	echo -n "Destroy lttng session $sess_name "
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
	if [ $? -eq 1 ]; then
		print_fail
		return 1
	else
	        print_ok
	fi
}

function trace_matches ()
{
	event_name=$1
	nr_iter=$2
	trace_path=$3

	which $BABELTRACE_BIN >/dev/null
	if [ $? -eq 1 ]; then
		echo "Babeltrace binary not found. Skipping trace matches"
		return 0
	fi

	echo -n "Looking for $nr_iter $event_name in $trace_path "

	count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
	if [ "$count" -ne "$nr_iter" ]; then
		echo -n "$count found in trace "
		print_fail
		return 1
	else
		echo -n "Trace is coherent "
		print_ok
		return 0
	fi
}

function validate_trace
{
	event_name=$1
	trace_path=$2

	which $BABELTRACE_BIN >/dev/null
	if [ $? -eq 1 ]; then
		echo "Babeltrace binary not found. Skipping trace matches"
		return 0
	fi

	echo -n "Validating trace for event $event_name... "
	traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $event_name | wc -l)
	if [ $traced -eq 0 ]; then
		print_fail
		return 1
	else
		print_ok
		return 0
	fi
}
Commit	Line	Data
10a8a223	1	#!/src/bin/bash
d3e8f6bb DG	2	#
	3	# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
	4	#
	5	# This library is free software; you can redistribute it and/or modify it under
	6	# the terms of the GNU Lesser General Public License as published by the Free
	7	# Software Foundation; version 2.1 of the License.
	8	#
	9	# This library is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	11	# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	12	# details.
	13	#
	14	# You should have received a copy of the GNU Lesser General Public License
	15	# along with this library; if not, write to the Free Software Foundation, Inc.,
	16	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17
	18	SESSIOND_BIN="lttng-sessiond"
f4e40ab6	19	RELAYD_BIN="lttng-relayd"
d3e8f6bb DG	20	LTTNG_BIN="lttng"
	21	BABELTRACE_BIN="babeltrace"
	22
fd4dfcec DG	23	# Minimal kernel version supported for session daemon tests
	24	KERNEL_MAJOR_VERSION=2
	25	KERNEL_MINOR_VERSION=6
	26	KERNEL_PATCHLEVEL_VERSION=27
	27
fec81a7e CB	28	function print_ok ()
	29	{
	30	# Check if we are a terminal
	31	if [ -t 1 ]; then
	32	echo -e "\e[1;32mOK\e[0m"
	33	else
	34	echo -e "OK"
	35	fi
	36	}
	37
	38	function print_fail ()
	39	{
	40	# Check if we are a terminal
	41	if [ -t 1 ]; then
	42	echo -e "\e[1;31mFAIL\e[0m"
	43	else
	44	echo -e "FAIL"
	45	fi
	46	}
	47
	48	function print_test_banner ()
	49	{
	50	desc="$1"
	51
	52	count=$((${#desc}+2))
	53	str=$(printf "%${count}s");
	54	echo -e "\n"
	55	echo -e ${str// /-}
	56	echo -e " $desc "
	57	echo -e ${str// /-}
	58	}
	59
fd4dfcec DG	60	function validate_kernel_version ()
	61	{
	62	kern_version=($(uname -r \| awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' \| tr '.' '\n'))
	63	if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
	64	return 0
	65	fi
	66	if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
	67	return 0
	68	fi
	69	if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
	70	return 0
	71	fi
	72	return 1
	73	}
	74
f4e40ab6 DG	75	# Generate a random string
	76	# $1 = number of characters; defaults to 16
	77	# $2 = include special characters; 1 = yes, 0 = no; defaults to yes
	78	function randstring()
	79	{
	80	[ "$2" == "0" ] && CHAR="[:alnum:]" \|\| CHAR="[:graph:]"
	81	cat /dev/urandom \| tr -cd "$CHAR" \| head -c ${1:-16}
	82	echo
	83	}
	84
355f483d	85	function spawn_sessiond ()
d3e8f6bb	86	{
317eef93 DG	87	echo ""
317eef93 DG	88	echo -n "Starting session daemon... "
fd4dfcec DG	89	validate_kernel_version
fd4dfcec DG	90	if [ $? -ne 0 ]; then
fbb28ea9	91	echo -e "\n* Kernel too old for session daemon tests *\n"
fd4dfcec DG	92	return 2
	93	fi
	94
2e6a03f6	95	DIR=$(readlink -f $TESTDIR)
355f483d	96
317eef93	97	if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
355f483d	98	$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --daemonize --quiet --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
25a818af	99	#$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --verbose-consumer >>/tmp/sessiond.log 2>&1 &
d3e8f6bb	100	if [ $? -eq 1 ]; then
c38b5107	101	print_fail
d3e8f6bb DG	102	return 1
d3e8f6bb DG	103	else
c38b5107	104	print_ok
d3e8f6bb DG	105	fi
d3e8f6bb DG	106	fi
fd4dfcec DG	107
fd4dfcec DG	108	return 0
d3e8f6bb DG	109	}
d3e8f6bb DG	110
f4e40ab6 DG	111	function lttng_enable_kernel_event
	112	{
	113	sess_name=$1
	114	event_name=$2
	115
	116	if [ -z $event_name ]; then
	117	# Enable all event if no event name specified
	118	$event_name="-a"
	119	fi
	120
	121	echo -n "Enabling kernel event $event_name for session $sess_name"
	122	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -k >/dev/null 2>&1
	123	if [ $? -eq 1 ]; then
c38b5107	124	print_fail
f4e40ab6 DG	125	return 1
f4e40ab6 DG	126	else
c38b5107	127	print_ok
f4e40ab6 DG	128	fi
	129	}
	130
fb3268e3	131	function start_lttng_relayd
f4e40ab6	132	{
173af62f DG	133	local opt="$1"
	134
	135	echo -e -n "Starting lttng-relayd (opt: $opt)... "
	136
f4e40ab6 DG	137	DIR=$(readlink -f $TESTDIR)
	138
	139	if [ -z $(pidof lt-$RELAYD_BIN) ]; then
173af62f	140	$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >/dev/null 2>&1 &
25a818af	141	#$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
f4e40ab6	142	if [ $? -eq 1 ]; then
c38b5107	143	print_fail
f4e40ab6 DG	144	return 1
f4e40ab6 DG	145	else
c38b5107	146	print_ok
f4e40ab6 DG	147	fi
f4e40ab6 DG	148	else
c38b5107	149	print_ok
f4e40ab6 DG	150	fi
	151	}
	152
fb3268e3	153	function stop_lttng_relayd
f4e40ab6 DG	154	{
	155	PID_RELAYD=`pidof lt-$RELAYD_BIN`
	156
	157	echo -e -n "Killing lttng-relayd (pid: $PID_RELAYD)... "
	158	kill $PID_RELAYD >/dev/null 2>&1
	159	if [ $? -eq 1 ]; then
c38b5107	160	print_fail
f4e40ab6 DG	161	return 1
	162	else
	163	out=1
	164	while [ -n "$out" ]; do
	165	out=$(pidof lt-$RELAYD_BIN)
	166	sleep 0.5
	167	done
c38b5107	168	print_ok
f4e40ab6 DG	169	return 0
	170	fi
	171	}
	172
fb3268e3	173	function start_lttng_sessiond()
355f483d DG	174	{
	175	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
	176	# Env variable requested no session daemon
	177	return
	178	fi
	179
	180	spawn_sessiond
	181	out=$?
	182	if [ $out -eq 2 ]; then
	183	# Kernel version is not compatible.
	184	exit 0
	185	elif [ $out -ne 0 ]; then
	186	echo "NOT bad $?"
	187	exit 1
	188	fi
	189
	190	# Simply wait for the session daemon bootstrap
	191	echo "Waiting for the session daemon to bootstrap (2 secs)"
	192	sleep 2
	193	}
	194
fb3268e3	195	function stop_lttng_sessiond ()
d3e8f6bb	196	{
355f483d DG	197	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
	198	# Env variable requested no session daemon
	199	return
	200	fi
	201
d3e8f6bb DG	202	PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
	203
	204	echo -e -n "Killing session daemon... "
	205	kill $PID_SESSIOND >/dev/null 2>&1
	206	if [ $? -eq 1 ]; then
c38b5107	207	print_fail
d3e8f6bb DG	208	return 1
d3e8f6bb DG	209	else
5fa32580 DG	210	out=1
	211	while [ -n "$out" ]; do
	212	out=$(pidof lt-$SESSIOND_BIN)
	213	sleep 0.5
	214	done
c38b5107	215	print_ok
d3e8f6bb DG	216	fi
	217	}
	218
	219	function create_lttng_session ()
	220	{
	221	sess_name=$1
	222	trace_path=$2
	223
908ee7bd	224	echo -n "Creating lttng session $sess_name in $trace_path "
10a8a223	225	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
d3e8f6bb	226	if [ $? -eq 1 ]; then
c38b5107	227	print_fail
d3e8f6bb DG	228	return 1
d3e8f6bb DG	229	else
c38b5107	230	print_ok
d4018451 DG	231	fi
	232	}
	233
	234	function enable_lttng_channel()
	235	{
	236	sess_name=$1
	237	channel_name=$2
	238
	239	echo -n "Enabling lttng channel $channel_name for session $sess_name"
	240	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel $channel_name -s $sess_name >/dev/null 2>&1
	241	if [ $? -eq 1 ]; then
c38b5107	242	print_fail
d4018451 DG	243	return 1
d4018451 DG	244	else
c38b5107	245	print_ok
d4018451 DG	246	fi
	247	}
	248
	249	function disable_lttng_channel()
	250	{
	251	sess_name=$1
	252	channel_name=$2
	253
	254	echo -n "Disabling lttng channel $channel_name for session $sess_name"
	255	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel $channel_name -s $sess_name >/dev/null 2>&1
	256	if [ $? -eq 1 ]; then
c38b5107	257	print_fail
d4018451 DG	258	return 1
d4018451 DG	259	else
c38b5107	260	print_ok
d3e8f6bb DG	261	fi
	262	}
	263
	264	function enable_ust_lttng_event ()
	265	{
	266	sess_name=$1
26b53d3b	267	event_name="$2"
d3e8f6bb DG	268
d3e8f6bb DG	269	echo -n "Enabling lttng event $event_name for session $sess_name "
26b53d3b DG	270	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
	271	if [ $? -eq 1 ]; then
	272	print_fail
	273	return 1
	274	else
	275	print_ok
	276	fi
	277	}
	278
	279	function enable_ust_lttng_event_filter()
	280	{
	281	sess_name="$1"
	282	event_name="$2"
	283	filter="$3"
	284	echo -n "Enabling lttng event with filtering "
	285
	286	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2>&1 >/dev/null
	287	if [ $? -eq 0 ]; then
	288	print_ok
	289	return 0
	290	else
	291	print_fail
	292	return 1
	293	fi
	294	}
	295
	296	function enable_ust_lttng_event_loglevel()
	297	{
	298	sess_name="$1"
	299	event_name="$2"
	300	loglevel="$3"
	301	echo -n "Enabling lttng event $event_name with loglevel $loglevel"
	302
	303	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --loglevel $loglevel 2>&1 >/dev/null
	304	if [ $? -eq 0 ]; then
	305	print_ok
	306	return 0
	307	else
	308	print_fail
	309	return 1
	310	fi
	311	}
	312
	313	function enable_ust_lttng_event_loglevel_only()
	314	{
	315	sess_name="$1"
	316	event_name="$2"
	317	loglevel="$3"
	318	echo -n "Enabling lttng event $event_name with loglevel-only $loglevel"
	319
	320	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --loglevel-only $loglevel 2>&1 >/dev/null
	321	if [ $? -eq 0 ]; then
	322	print_ok
	323	return 0
	324	else
	325	print_fail
	326	return 1
	327	fi
	328	}
	329
	330	function disable_ust_lttng_event ()
	331	{
	332	sess_name=$1
	333	event_name=$2
334
335	echo -n "Disabling lttng event $event_name for session $sess_name "
336	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event $event_name -s $sess_name -u >/dev/null 2>&1
d3e8f6bb	337	if [ $? -eq 1 ]; then
c38b5107	338	print_fail
d3e8f6bb DG	339	return 1
d3e8f6bb DG	340	else
c38b5107	341	print_ok
d3e8f6bb DG	342	fi
	343	}
	344
fb3268e3	345	function start_lttng_tracing ()
d3e8f6bb DG	346	{
	347	sess_name=$1
	348
	349	echo -n "Start lttng tracing for session $sess_name "
10a8a223	350	$TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
d3e8f6bb	351	if [ $? -eq 1 ]; then
c38b5107	352	print_fail
d3e8f6bb DG	353	return 1
d3e8f6bb DG	354	else
c38b5107	355	print_ok
d3e8f6bb DG	356	fi
	357	}
	358
fb3268e3	359	function stop_lttng_tracing ()
d3e8f6bb DG	360	{
	361	sess_name=$1
	362
	363	echo -n "Stop lttng tracing for session $sess_name "
10a8a223	364	$TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
d3e8f6bb	365	if [ $? -eq 1 ]; then
c38b5107	366	print_fail
d3e8f6bb DG	367	return 1
d3e8f6bb DG	368	else
c38b5107	369	print_ok
d3e8f6bb DG	370	fi
	371	}
	372
	373	function destroy_lttng_session ()
	374	{
	375	sess_name=$1
	376
	377	echo -n "Destroy lttng session $sess_name "
10a8a223	378	$TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
d3e8f6bb	379	if [ $? -eq 1 ]; then
c38b5107	380	print_fail
d3e8f6bb DG	381	return 1
d3e8f6bb DG	382	else
c38b5107	383	print_ok
d3e8f6bb DG	384	fi
	385	}
	386
	387	function trace_matches ()
	388	{
	389	event_name=$1
	390	nr_iter=$2
	391	trace_path=$3
	392
317eef93 DG	393	which $BABELTRACE_BIN >/dev/null
	394	if [ $? -eq 1 ]; then
	395	echo "Babeltrace binary not found. Skipping trace matches"
	396	return 0
	397	fi
	398
d3e8f6bb DG	399	echo -n "Looking for $nr_iter $event_name in $trace_path "
	400
	401	count=$($BABELTRACE_BIN $trace_path \| grep $event_name \| wc -l)
	402	if [ "$count" -ne "$nr_iter" ]; then
c38b5107 CB	403	echo -n "$count found in trace "
c38b5107 CB	404	print_fail
d3e8f6bb DG	405	return 1
d3e8f6bb DG	406	else
c38b5107 CB	407	echo -n "Trace is coherent "
c38b5107 CB	408	print_ok
d3e8f6bb DG	409	return 0
	410	fi
	411	}
f4e40ab6 DG	412
	413	function validate_trace
	414	{
	415	event_name=$1
	416	trace_path=$2
	417
	418	which $BABELTRACE_BIN >/dev/null
	419	if [ $? -eq 1 ]; then
	420	echo "Babeltrace binary not found. Skipping trace matches"
	421	return 0
	422	fi
	423
	424	echo -n "Validating trace for event $event_name... "
	425	traced=$($BABELTRACE_BIN $trace_path 2>/dev/null \| grep $event_name \| wc -l)
	426	if [ $traced -eq 0 ]; then
c38b5107	427	print_fail
f4e40ab6 DG	428	return 1
f4e40ab6 DG	429	else
c38b5107	430	print_ok
f4e40ab6 DG	431	return 0
	432	fi
	433	}