[lttng-tools.git] / tests / utils / 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"
CONSUMERD_BIN="lttng-consumerd"
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

source $TESTDIR/utils/tap/tap.sh

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="$1"
	diag "$desc"
}

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 lttng_enable_kernel_event
{
	sess_name=$1
	event_name=$2
	channel_name=$3

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

	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 -k >/dev/null 2>&1
	ok $? "Enable kernel event $event_name for session $sess_name"
}

function start_lttng_relayd
{
	local opt=$1

	DIR=$(readlink -f $TESTDIR)

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

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

	diag "Killing lttng-relayd (pid: $PID_RELAYD)"
	kill $PID_RELAYD >/dev/null 2>&1
	retval=$?

	if [ $retval -eq 1 ]; then
		out=1
		while [ -n "$out" ]; do
			out=$(pidof lt-$RELAYD_BIN)
			sleep 0.5
		done
	fi
	return $retval
}

function stop_lttng_relayd
{
	stop_lttng_relayd_nocheck

	if [ $? -eq 1 ]; then
		fail "Killed lttng-relayd (pid: $PID_RELAYD)"
		return 1
	else
		pass "Killed lttng-relayd (pid: $PID_RELAYD)"
		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

	validate_kernel_version
	if [ $? -ne 0 ]; then
	    fail "Start session daemon"
	    BAIL_OUT "*** Kernel too old for session daemon tests ***"
	fi

	DIR=$(readlink -f $TESTDIR)

	if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
		$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
		#$DIR/../src/bin/lttng-sessiond/$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 &
		status=$?
		ok $status "Start session daemon"
	fi
}

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`

	kill $PID_SESSIOND >/dev/null 2>&1

	if [ $? -eq 1 ]; then
		fail "Kill sessions daemon"
		return 1
	else
		out=1
		while [ -n "$out" ]; do
			out=$(pidof lt-$SESSIOND_BIN)
			sleep 0.5
		done
		out=1
		while [ -n "$out" ]; do
			out=$(pidof $CONSUMERD_BIN)
			sleep 0.5
		done
		pass "Kill session daemon"
	fi
}

function create_lttng_session_no_output ()
{
	sess_name=$1

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name --no-output >/dev/null 2>&1
	ok $? "Create session $sess_name in no-output mode"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
	ok $? "Create session $sess_name in $trace_path"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
	ok $? "Enable channel $channel_name for session $sess_name"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
	ok $? "Disable channel $channel_name for session $sess_name"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite >/dev/null 2>&1
	ok $? "Enable channel $channel_name for session $sess_name"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -u --output mmap --overwrite >/dev/null 2>&1
	ok $? "Enable channel $channel_name for session $sess_name"
}

function enable_ust_lttng_event ()
{
	sess_name=$1
	event_name="$2"
	channel_name=$3

	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 >/dev/null 2>&1
	ok $? "Enable event $event_name for session $sess_name"
}

function enable_jul_lttng_event()
{
	sess_name=$1
	event_name="$2"
	channel_name=$3

	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 -j >/dev/null 2>&1
	ok $? "Enable JUL event $event_name for session $sess_name"
}

function enable_jul_lttng_event_loglevel()
{
	sess_name=$1
	event_name="$2"
	loglevel=$3
	channel_name=$4

	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 --loglevel $loglevel "$event_name" $chan -s $sess_name -j >/dev/null 2>&1
	ok $? "Enable JUL event $event_name for session $sess_name with loglevel $loglevel"
}

function enable_ust_lttng_event_filter()
{
	sess_name="$1"
	event_name="$2"
	filter="$3"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --filter "$filter" >/dev/null 2>&1
	ok $? "Enable event $event_name with filtering for session $sess_name"
}

function enable_ust_lttng_event_loglevel()
{
	sess_name="$1"
	event_name="$2"
	loglevel="$3"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel $loglevel >/dev/null 2>&1
	ok $? "Enable event $event_name with loglevel $loglevel"
}

function enable_ust_lttng_event_loglevel_only()
{
	sess_name="$1"
	event_name="$2"
	loglevel="$3"

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel-only $loglevel >/dev/null 2>&1
	ok $? "Enable event $event_name with loglevel-only $loglevel"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
	ok $? "Disable event $event_name for session $sess_name"
}

function start_lttng_tracing ()
{
	sess_name=$1

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
	ok $? "Start tracing for session $sess_name"
}

function stop_lttng_tracing ()
{
	sess_name=$1

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
	ok $? "Stop lttng tracing for session $sess_name"
}

function destroy_lttng_session ()
{
	sess_name=$1


	$TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
	ok $? "Destroy lttng session $sess_name"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name file://$trace_path >/dev/null 2>&1
	ok $? "Added snapshot output file://$trace_path"
}

function lttng_snapshot_del_output ()
{
	local sess_name=$1
	local id=$2

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output -s $sess_name $id >/dev/null 2>&1
	ok $? "Deleted snapshot output id $id"
}

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

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot record -s $sess_name >/dev/null 2>&1
	ok $? "Snapshot recorded"
}

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

	which $BABELTRACE_BIN >/dev/null
	skip $? -ne 0 "Babeltrace binary not found. Skipping trace matches"

	count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)

	if [ "$count" -ne "$nr_iter" ]; then
		fail "Trace match"
		diag "$count events found in trace"
	else
		pass "Trace match"
	fi
}

function validate_trace
{
	event_name=$1
	trace_path=$2

	which $BABELTRACE_BIN >/dev/null
	if [ $? -ne 0 ]; then
	    skip 0 "Babeltrace binary not found. Skipping trace validation"
	fi

	OLDIFS=$IFS
	IFS=","
	for i in $event_name; do
		traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $i | wc -l)
		if [ "$traced" -ne 0 ]; then
			pass "Validate trace for event $i, $traced events"
		else
			fail "Validate trace for event $i"
			diag "Found $traced occurences of $i"
		fi
	done
	ret=$?
	IFS=$OLDIFS
	return $ret
}
Commit	Line	Data
	1	#!/src/bin/bash
	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"
	19	CONSUMERD_BIN="lttng-consumerd"
	20	RELAYD_BIN="lttng-relayd"
	21	LTTNG_BIN="lttng"
	22	BABELTRACE_BIN="babeltrace"
	23
	24	# Minimal kernel version supported for session daemon tests
	25	KERNEL_MAJOR_VERSION=2
	26	KERNEL_MINOR_VERSION=6
	27	KERNEL_PATCHLEVEL_VERSION=27
	28
	29	source $TESTDIR/utils/tap/tap.sh
	30
	31	function print_ok ()
	32	{
	33	# Check if we are a terminal
	34	if [ -t 1 ]; then
	35	echo -e "\e[1;32mOK\e[0m"
	36	else
	37	echo -e "OK"
	38	fi
	39	}
	40
	41	function print_fail ()
	42	{
	43	# Check if we are a terminal
	44	if [ -t 1 ]; then
	45	echo -e "\e[1;31mFAIL\e[0m"
	46	else
	47	echo -e "FAIL"
	48	fi
	49	}
	50
	51	function print_test_banner ()
	52	{
	53	desc="$1"
	54	diag "$desc"
	55	}
	56
	57	function validate_kernel_version ()
	58	{
	59	kern_version=($(uname -r \| awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' \| tr '.' '\n'))
	60	if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
	61	return 0
	62	fi
	63	if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
	64	return 0
	65	fi
	66	if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
	67	return 0
	68	fi
	69	return 1
	70	}
	71
	72	# Generate a random string
	73	# $1 = number of characters; defaults to 16
	74	# $2 = include special characters; 1 = yes, 0 = no; defaults to yes
	75	function randstring()
	76	{
	77	[ "$2" == "0" ] && CHAR="[:alnum:]" \|\| CHAR="[:graph:]"
	78	cat /dev/urandom \| tr -cd "$CHAR" \| head -c ${1:-16}
	79	echo
	80	}
	81
	82	function lttng_enable_kernel_event
	83	{
	84	sess_name=$1
	85	event_name=$2
	86	channel_name=$3
	87
	88	if [ -z $event_name ]; then
	89	# Enable all event if no event name specified
	90	event_name="-a"
	91	fi
	92
	93	if [ -z $channel_name ]; then
	94	# default channel if none specified
	95	chan=""
	96	else
	97	chan="-c $channel_name"
	98	fi
	99
	100	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" $chan -s $sess_name -k >/dev/null 2>&1
	101	ok $? "Enable kernel event $event_name for session $sess_name"
	102	}
	103
	104	function start_lttng_relayd
	105	{
	106	local opt=$1
	107
	108	DIR=$(readlink -f $TESTDIR)
	109
	110	if [ -z $(pidof lt-$RELAYD_BIN) ]; then
	111	$DIR/../src/bin/lttng-relayd/$RELAYD_BIN -b $opt >/dev/null 2>&1
	112	#$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
	113	if [ $? -eq 1 ]; then
	114	fail "Start lttng-relayd (opt: $opt)"
	115	return 1
	116	else
	117	pass "Start lttng-relayd (opt: $opt)"
	118	fi
	119	else
	120	pass "Start lttng-relayd (opt: $opt)"
	121	fi
	122	}
	123
	124	function stop_lttng_relayd_nocheck
	125	{
	126	PID_RELAYD=`pidof lt-$RELAYD_BIN`
	127
	128	diag "Killing lttng-relayd (pid: $PID_RELAYD)"
	129	kill $PID_RELAYD >/dev/null 2>&1
	130	retval=$?
	131
	132	if [ $retval -eq 1 ]; then
	133	out=1
	134	while [ -n "$out" ]; do
	135	out=$(pidof lt-$RELAYD_BIN)
	136	sleep 0.5
	137	done
	138	fi
	139	return $retval
	140	}
	141
	142	function stop_lttng_relayd
	143	{
	144	stop_lttng_relayd_nocheck
	145
	146	if [ $? -eq 1 ]; then
	147	fail "Killed lttng-relayd (pid: $PID_RELAYD)"
	148	return 1
	149	else
	150	pass "Killed lttng-relayd (pid: $PID_RELAYD)"
	151	return 0
	152	fi
	153	}
	154
	155	function start_lttng_sessiond()
	156	{
	157	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
	158	# Env variable requested no session daemon
	159	return
	160	fi
	161
	162	validate_kernel_version
	163	if [ $? -ne 0 ]; then
	164	fail "Start session daemon"
	165	BAIL_OUT "* Kernel too old for session daemon tests *"
	166	fi
	167
	168	DIR=$(readlink -f $TESTDIR)
	169
	170	if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
	171	$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
	172	#$DIR/../src/bin/lttng-sessiond/$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 &
	173	status=$?
	174	ok $status "Start session daemon"
	175	fi
	176	}
	177
	178	function stop_lttng_sessiond ()
	179	{
	180	if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
	181	# Env variable requested no session daemon
	182	return
	183	fi
	184
	185	PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
	186
	187	kill $PID_SESSIOND >/dev/null 2>&1
	188
	189	if [ $? -eq 1 ]; then
	190	fail "Kill sessions daemon"
	191	return 1
	192	else
	193	out=1
	194	while [ -n "$out" ]; do
	195	out=$(pidof lt-$SESSIOND_BIN)
	196	sleep 0.5
	197	done
	198	out=1
	199	while [ -n "$out" ]; do
	200	out=$(pidof $CONSUMERD_BIN)
	201	sleep 0.5
	202	done
	203	pass "Kill session daemon"
	204	fi
	205	}
	206
	207	function create_lttng_session_no_output ()
	208	{
	209	sess_name=$1
	210
	211	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name --no-output >/dev/null 2>&1
	212	ok $? "Create session $sess_name in no-output mode"
	213	}
	214
	215	function create_lttng_session ()
	216	{
	217	sess_name=$1
	218	trace_path=$2
	219
	220	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
	221	ok $? "Create session $sess_name in $trace_path"
	222	}
	223
	224	function enable_ust_lttng_channel()
	225	{
	226	sess_name=$1
	227	channel_name=$2
	228
	229	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
	230	ok $? "Enable channel $channel_name for session $sess_name"
	231	}
	232
	233	function disable_ust_lttng_channel()
	234	{
	235	sess_name=$1
	236	channel_name=$2
	237
	238	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
	239	ok $? "Disable channel $channel_name for session $sess_name"
	240	}
	241
	242	function enable_lttng_mmap_overwrite_kernel_channel()
	243	{
	244	sess_name=$1
	245	channel_name=$2
	246
	247	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite >/dev/null 2>&1
	248	ok $? "Enable channel $channel_name for session $sess_name"
	249	}
	250
	251	function enable_lttng_mmap_overwrite_ust_channel()
	252	{
	253	sess_name=$1
	254	channel_name=$2
	255
	256	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -u --output mmap --overwrite >/dev/null 2>&1
	257	ok $? "Enable channel $channel_name for session $sess_name"
	258	}
	259
	260	function enable_ust_lttng_event ()
	261	{
	262	sess_name=$1
	263	event_name="$2"
	264	channel_name=$3
	265
	266	if [ -z $channel_name ]; then
	267	# default channel if none specified
	268	chan=""
	269	else
	270	chan="-c $channel_name"
	271	fi
	272
	273	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" $chan -s $sess_name -u >/dev/null 2>&1
	274	ok $? "Enable event $event_name for session $sess_name"
	275	}
	276
	277	function enable_jul_lttng_event()
	278	{
	279	sess_name=$1
	280	event_name="$2"
	281	channel_name=$3
	282
	283	if [ -z $channel_name ]; then
	284	# default channel if none specified
	285	chan=""
	286	else
	287	chan="-c $channel_name"
	288	fi
	289
	290	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" $chan -s $sess_name -j >/dev/null 2>&1
	291	ok $? "Enable JUL event $event_name for session $sess_name"
	292	}
	293
	294	function enable_jul_lttng_event_loglevel()
	295	{
	296	sess_name=$1
	297	event_name="$2"
	298	loglevel=$3
	299	channel_name=$4
	300
	301	if [ -z $channel_name ]; then
	302	# default channel if none specified
	303	chan=""
	304	else
	305	chan="-c $channel_name"
	306	fi
	307
	308	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event --loglevel $loglevel "$event_name" $chan -s $sess_name -j >/dev/null 2>&1
	309	ok $? "Enable JUL event $event_name for session $sess_name with loglevel $loglevel"
	310	}
	311
	312	function enable_ust_lttng_event_filter()
	313	{
	314	sess_name="$1"
	315	event_name="$2"
	316	filter="$3"
	317
	318	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --filter "$filter" >/dev/null 2>&1
	319	ok $? "Enable event $event_name with filtering for session $sess_name"
	320	}
	321
	322	function enable_ust_lttng_event_loglevel()
	323	{
	324	sess_name="$1"
	325	event_name="$2"
	326	loglevel="$3"
	327
	328	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel $loglevel >/dev/null 2>&1
	329	ok $? "Enable event $event_name with loglevel $loglevel"
	330	}
	331
	332	function enable_ust_lttng_event_loglevel_only()
	333	{
	334	sess_name="$1"
	335	event_name="$2"
	336	loglevel="$3"
	337
	338	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel-only $loglevel >/dev/null 2>&1
	339	ok $? "Enable event $event_name with loglevel-only $loglevel"
	340	}
	341
	342	function disable_ust_lttng_event ()
	343	{
	344	sess_name="$1"
	345	event_name="$2"
	346
	347	$TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
	348	ok $? "Disable event $event_name for session $sess_name"
	349	}
	350
	351	function start_lttng_tracing ()
	352	{
	353	sess_name=$1
	354
	355	$TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
	356	ok $? "Start tracing for session $sess_name"
	357	}
	358
	359	function stop_lttng_tracing ()
	360	{
	361	sess_name=$1
	362
	363	$TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
	364	ok $? "Stop lttng tracing for session $sess_name"
	365	}
	366
	367	function destroy_lttng_session ()
	368	{
	369	sess_name=$1
	370
	371
	372	$TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
	373	ok $? "Destroy lttng session $sess_name"
	374	}
	375
	376	function lttng_snapshot_add_output ()
	377	{
	378	sess_name=$1
	379	trace_path=$2
	380
	381	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name file://$trace_path >/dev/null 2>&1
	382	ok $? "Added snapshot output file://$trace_path"
	383	}
	384
	385	function lttng_snapshot_del_output ()
	386	{
	387	local sess_name=$1
	388	local id=$2
	389
	390	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output -s $sess_name $id >/dev/null 2>&1
	391	ok $? "Deleted snapshot output id $id"
	392	}
	393
	394	function lttng_snapshot_record ()
	395	{
	396	sess_name=$1
	397	trace_path=$2
	398
	399	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot record -s $sess_name >/dev/null 2>&1
	400	ok $? "Snapshot recorded"
	401	}
	402
	403	function trace_matches ()
	404	{
	405	event_name=$1
	406	nr_iter=$2
	407	trace_path=$3
	408
	409	which $BABELTRACE_BIN >/dev/null
	410	skip $? -ne 0 "Babeltrace binary not found. Skipping trace matches"
	411
	412	count=$($BABELTRACE_BIN $trace_path \| grep $event_name \| wc -l)
	413
	414	if [ "$count" -ne "$nr_iter" ]; then
	415	fail "Trace match"
	416	diag "$count events found in trace"
	417	else
	418	pass "Trace match"
	419	fi
	420	}
	421
	422	function validate_trace
	423	{
	424	event_name=$1
	425	trace_path=$2
	426
	427	which $BABELTRACE_BIN >/dev/null
	428	if [ $? -ne 0 ]; then
	429	skip 0 "Babeltrace binary not found. Skipping trace validation"
	430	fi
	431
	432	OLDIFS=$IFS
	433	IFS=","
	434	for i in $event_name; do
	435	traced=$($BABELTRACE_BIN $trace_path 2>/dev/null \| grep $i \| wc -l)
	436	if [ "$traced" -ne 0 ]; then
	437	pass "Validate trace for event $i, $traced events"
	438	else
	439	fail "Validate trace for event $i"
	440	diag "Found $traced occurences of $i"
	441	fi
	442	done
	443	ret=$?
	444	IFS=$OLDIFS
	445	return $ret
	446	}