[lttng-tools.git] / tests / regression / tools / snapshots / ust_test

#!/bin/bash
#
# Copyright (C) - 2013 Julien Desfossez <jdesfossez@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
TEST_DESC="Snapshots - UST tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="tp:tptest"
PID_RELAYD=0
SESSION_NAME=""
CHANNEL_NAME="snapchan"
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
NR_ITER=2000000
NR_USEC_WAIT=100
APPS_PID=

NUM_TESTS=76

TRACE_PATH=$(mktemp -d)

source $TESTDIR/utils/utils.sh

if [ ! -x "$TESTAPP_BIN" ]; then
	BAIL_OUT "No UST events binary detected."
fi

# Need the number of snapshot to do.
if [ -z $1 ]; then
	BAIL_OUT "A number of snapshot is needed."
fi
NR_SNAPSHOT=$1

NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 2)))

function start_test_app()
{
	local tmp_file="/tmp/lttng_test_ust.42.file"

	# Start application with a temporary file.
	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
	ret=$?
	APPS_PID="${APPS_PID} ${!}"
	ok $ret "Start application to trace"

	# Wait for the application file to appear indicating that at least one
	# tracepoint has been fired.
	while [ ! -f "$tmp_file" ]; do
		sleep 0.5
	done
	diag "Removing test app temporary file $tmp_file"
	rm -f $tmp_file
}

function stop_test_apps()
{
	diag "Stopping $TESTAPP_NAME"
	for p in ${APPS_PID}; do
		kill ${p}
		wait ${p} 2>/dev/null
	done
	APPS_PID=
}

function snapshot_add_output ()
{
	local sess_name=$1
	local trace_path=$2
	local name=$3
	local max_size=$4
	local extra_opt=""

	if [ ! -z $name ]; then
		extra_opt+=" -n $name "
	fi

	if [ ! -z $max_size ]; then
		extra_opt+=" -m $max_size "
	fi

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \
		-s $sess_name $extra_opt $trace_path > /dev/null 2>&1

	ok $? "Added snapshot output $trace_path ($extra_opt)"
}

function snapshot_del_output ()
{
	local sess_name=$1
	local name=$2

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
		-s $sess_name $name > /dev/null 2>&1

	ok $? "Deleted snapshot output named $name"
}

function enable_mmap_overwrite_subbuf_ust_channel ()
{
	local sess_name=$1
	local chan_name=$2
	local subbuf_size=$3

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
		$chan_name -u --output mmap --overwrite \
		--subbuf-size $subbuf_size > /dev/null 2>&1

	ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
}


function test_ust_list_output ()
{
	output_names=("randomname" "somesnapshot")

	diag "Test UST snapshot output listing"
	create_lttng_session_no_output $SESSION_NAME
	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME

	start_lttng_tracing $SESSION_NAME

	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
		-s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null
	ok $? "Snapshot named ${output_names[0]} present in list-output listing"

	snapshot_del_output $SESSION_NAME ${output_names[0]}

	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}

	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
		-s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null

	ok $? "Snapshot named ${output_names[1]} present in list-output listing"

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME
}

function test_ust_local_snapshot ()
{
	diag "Test local UST snapshots"
	create_lttng_session_no_output $SESSION_NAME
	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME
	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH

	# Returns once the application has at least fired ONE tracepoint.
	start_test_app

	lttng_snapshot_record $SESSION_NAME
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# Validate test
	validate_trace $EVENT_NAME $TRACE_PATH/
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	else
		break
	fi

	stop_test_apps
}

function test_ust_local_snapshot_max_size ()
{
	subbuf_size=8192
	num_cpus=`nproc`

	# The minimum size limit is min(subbuf_size) * nb_streams
	max_size=$(($subbuf_size*$num_cpus))

	diag "Test local UST snapshots with max size $max_size"
	create_lttng_session_no_output $SESSION_NAME

	enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size

	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME

	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size

	# Returns once the application has at least fired ONE tracepoint.
	start_test_app

	lttng_snapshot_record $SESSION_NAME

	# Check file size
	sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
		-exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}')

	if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
		fail "Tracefiles size sum validation"
		diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
	fi

	pass "Tracefiles size sum validation"

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# Validate test
	validate_trace $EVENT_NAME $TRACE_PATH/

	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	fi

	stop_test_apps
}

function test_ust_local_snapshot_large_metadata ()
{
	LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
	LM_PATH="$TESTDIR/utils/testapp"
	LM_NAME="gen-ust-nevents"
	LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"

	diag "Test local UST snapshots with > 4kB metadata"
	create_lttng_session_no_output $SESSION_NAME
	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME
	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
	$LM_BIN 1 1
	ok $? "Start application to trace"
	lttng_snapshot_record $SESSION_NAME
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# Validate test
	validate_trace $LM_EVENT $TRACE_PATH/
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	else
		break
	fi
}

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

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

function test_ust_per_uid_local_snapshot ()
{
	diag "Test local UST snapshots"
	create_lttng_session_no_output $SESSION_NAME
	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME
	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH

	# Returns once the application has at least fired ONE tracepoint.
	start_test_app

	lttng_snapshot_record $SESSION_NAME
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# Validate test
	validate_trace $EVENT_NAME $TRACE_PATH/
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	else
		break
	fi

	stop_test_apps
}

function test_ust_per_uid_local_snapshot_post_mortem ()
{
	diag "Test local UST snapshots post-mortem"
	create_lttng_session_no_output $SESSION_NAME
	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME
	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH

	# Returns once the application has at least fired ONE tracepoint.
	start_test_app
	stop_test_apps

	lttng_snapshot_record $SESSION_NAME
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	# Validate test
	validate_trace $EVENT_NAME $TRACE_PATH/
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	else
		break
	fi
}

function test_ust_local_snapshots ()
{
	diag "Test $NR_SNAPSHOT local UST snapshots"
	create_lttng_session_no_output $SESSION_NAME
	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	start_lttng_tracing $SESSION_NAME
	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH

	# Returns once the application has at least fired ONE tracepoint.
	start_test_app

	for i in $(seq 1 $NR_SNAPSHOT); do
		diag "Snapshot $i/$NR_SNAPSHOT"
		rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
		lttng_snapshot_record $SESSION_NAME
		# Validate test
		validate_trace $EVENT_NAME $TRACE_PATH/
		if [ $? -eq 0 ]; then
			# Only delete if successful
			rm -rf $TRACE_PATH
		else
			break
		fi
	done
	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	stop_test_apps
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

start_lttng_sessiond

tests=( test_ust_list_output
	test_ust_local_snapshot
	test_ust_local_snapshot_max_size
	test_ust_per_uid_local_snapshot
	test_ust_per_uid_local_snapshot_post_mortem
	test_ust_local_snapshot_large_metadata
	test_ust_local_snapshots)

for fct_test in ${tests[@]};
do
	SESSION_NAME=$(randstring 16 0)
	${fct_test}
done

stop_lttng_sessiond
Commit	Line	Data
ebaaaf5e JD	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2013 Julien Desfossez <jdesfossez@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	TEST_DESC="Snapshots - UST tracing"
	18
	19	CURDIR=$(dirname $0)/
	20	TESTDIR=$CURDIR/../../..
	21	EVENT_NAME="tp:tptest"
ebaaaf5e JD	22	PID_RELAYD=0
	23	SESSION_NAME=""
	24	CHANNEL_NAME="snapchan"
	25	TESTAPP_PATH="$TESTDIR/utils/testapp"
	26	TESTAPP_NAME="gen-ust-events"
	27	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	28	NR_ITER=2000000
	29	NR_USEC_WAIT=100
0fc2834c	30	APPS_PID=
ebaaaf5e	31
1d20c959	32	NUM_TESTS=76
ebaaaf5e	33
1d20c959	34	TRACE_PATH=$(mktemp -d)
ebaaaf5e JD	35
	36	source $TESTDIR/utils/utils.sh
	37
	38	if [ ! -x "$TESTAPP_BIN" ]; then
	39	BAIL_OUT "No UST events binary detected."
	40	fi
	41
1d20c959 DG	42	# Need the number of snapshot to do.
	43	if [ -z $1 ]; then
	44	BAIL_OUT "A number of snapshot is needed."
	45	fi
	46	NR_SNAPSHOT=$1
	47
	48	NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 2)))
	49
209b934f DG	50	function start_test_app()
	51	{
	52	local tmp_file="/tmp/lttng_test_ust.42.file"
	53
	54	# Start application with a temporary file.
	55	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
0fc2834c MD	56	ret=$?
	57	APPS_PID="${APPS_PID} ${!}"
	58	ok $ret "Start application to trace"
209b934f DG	59
	60	# Wait for the application file to appear indicating that at least one
	61	# tracepoint has been fired.
	62	while [ ! -f "$tmp_file" ]; do
	63	sleep 0.5
	64	done
	65	diag "Removing test app temporary file $tmp_file"
	66	rm -f $tmp_file
	67	}
	68
0fc2834c	69	function stop_test_apps()
209b934f	70	{
0fc2834c MD	71	diag "Stopping $TESTAPP_NAME"
	72	for p in ${APPS_PID}; do
	73	kill ${p}
5402fe87	74	wait ${p} 2>/dev/null
0fc2834c	75	done
c7613334	76	APPS_PID=
209b934f DG	77	}
209b934f DG	78
5e83c405 CB	79	function snapshot_add_output ()
	80	{
	81	local sess_name=$1
	82	local trace_path=$2
	83	local name=$3
	84	local max_size=$4
	85	local extra_opt=""
	86
	87	if [ ! -z $name ]; then
	88	extra_opt+=" -n $name "
	89	fi
	90
	91	if [ ! -z $max_size ]; then
	92	extra_opt+=" -m $max_size "
	93	fi
	94
	95	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \
	96	-s $sess_name $extra_opt $trace_path > /dev/null 2>&1
	97
	98	ok $? "Added snapshot output $trace_path ($extra_opt)"
	99	}
	100
	101	function snapshot_del_output ()
	102	{
	103	local sess_name=$1
	104	local name=$2
	105
	106	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
	107	-s $sess_name $name > /dev/null 2>&1
	108
	109	ok $? "Deleted snapshot output named $name"
	110	}
	111
	112	function enable_mmap_overwrite_subbuf_ust_channel ()
	113	{
	114	local sess_name=$1
	115	local chan_name=$2
	116	local subbuf_size=$3
	117
	118	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
	119	$chan_name -u --output mmap --overwrite \
	120	--subbuf-size $subbuf_size > /dev/null 2>&1
	121
	122	ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
	123	}
	124
	125
	126	function test_ust_list_output ()
	127	{
	128	output_names=("randomname" "somesnapshot")
	129
	130	diag "Test UST snapshot output listing"
	131	create_lttng_session_no_output $SESSION_NAME
	132	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	133	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	134
	135	start_lttng_tracing $SESSION_NAME
	136
	137	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}
	138
	139	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
	140	-s $SESSION_NAME 2>&1 \| grep ${output_names[0]} > /dev/null
	141	ok $? "Snapshot named ${output_names[0]} present in list-output listing"
	142
143	snapshot_del_output $SESSION_NAME ${output_names[0]}
144
145	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}
146
147	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
148	-s $SESSION_NAME 2>&1 \| grep ${output_names[1]} > /dev/null
149
150	ok $? "Snapshot named ${output_names[1]} present in list-output listing"
151
152	stop_lttng_tracing $SESSION_NAME
153	destroy_lttng_session $SESSION_NAME
154	}
155
ebaaaf5e JD	156	function test_ust_local_snapshot ()
	157	{
	158	diag "Test local UST snapshots"
	159	create_lttng_session_no_output $SESSION_NAME
	160	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	161	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	162	start_lttng_tracing $SESSION_NAME
	163	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	164
	165	# Returns once the application has at least fired ONE tracepoint.
	166	start_test_app
	167
ebaaaf5e JD	168	lttng_snapshot_record $SESSION_NAME
	169	stop_lttng_tracing $SESSION_NAME
	170	destroy_lttng_session $SESSION_NAME
	171
	172	# Validate test
	173	validate_trace $EVENT_NAME $TRACE_PATH/
	174	if [ $? -eq 0 ]; then
	175	# Only delete if successful
	176	rm -rf $TRACE_PATH
	177	else
	178	break
	179	fi
209b934f	180
0fc2834c	181	stop_test_apps
ebaaaf5e JD	182	}
ebaaaf5e JD	183
5e83c405 CB	184	function test_ust_local_snapshot_max_size ()
	185	{
	186	subbuf_size=8192
	187	num_cpus=`nproc`
	188
	189	# The minimum size limit is min(subbuf_size) * nb_streams
	190	max_size=$(($subbuf_size*$num_cpus))
	191
	192	diag "Test local UST snapshots with max size $max_size"
	193	create_lttng_session_no_output $SESSION_NAME
	194
	195	enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
	196
	197	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	198	start_lttng_tracing $SESSION_NAME
	199
	200	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
	201
209b934f DG	202	# Returns once the application has at least fired ONE tracepoint.
209b934f DG	203	start_test_app
5e83c405 CB	204
	205	lttng_snapshot_record $SESSION_NAME
	206
	207	# Check file size
	208	sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
	209	-exec stat -c '%s' {} \; \| awk '{s = s + $1}END{print s}')
	210
	211	if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
	212	fail "Tracefiles size sum validation"
	213	diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
	214	fi
	215
	216	pass "Tracefiles size sum validation"
	217
	218	stop_lttng_tracing $SESSION_NAME
	219	destroy_lttng_session $SESSION_NAME
	220
	221	# Validate test
	222	validate_trace $EVENT_NAME $TRACE_PATH/
	223
	224	if [ $? -eq 0 ]; then
	225	# Only delete if successful
	226	rm -rf $TRACE_PATH
	227	fi
	228
0fc2834c	229	stop_test_apps
5e83c405 CB	230	}
5e83c405 CB	231
a54047ec JD	232	function test_ust_local_snapshot_large_metadata ()
	233	{
	234	LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
	235	LM_PATH="$TESTDIR/utils/testapp"
	236	LM_NAME="gen-ust-nevents"
	237	LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
	238
	239	diag "Test local UST snapshots with > 4kB metadata"
	240	create_lttng_session_no_output $SESSION_NAME
	241	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	242	enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
	243	start_lttng_tracing $SESSION_NAME
	244	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
	245	$LM_BIN 1 1
	246	ok $? "Start application to trace"
	247	lttng_snapshot_record $SESSION_NAME
	248	stop_lttng_tracing $SESSION_NAME
	249	destroy_lttng_session $SESSION_NAME
	250
	251	# Validate test
	252	validate_trace $LM_EVENT $TRACE_PATH/
	253	if [ $? -eq 0 ]; then
	254	# Only delete if successful
	255	rm -rf $TRACE_PATH
	256	else
	257	break
	258	fi
	259	}
	260
5f4c2d80 JD	261	function enable_channel_per_uid_mmap_overwrite()
	262	{
	263	sess_name=$1
	264	channel_name=$2
	265
	266	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
	267	ok $? "Enable channel $channel_name per UID for session $sess_name"
	268	}
	269
	270	function test_ust_per_uid_local_snapshot ()
	271	{
	272	diag "Test local UST snapshots"
	273	create_lttng_session_no_output $SESSION_NAME
	274	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	275	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	276	start_lttng_tracing $SESSION_NAME
	277	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	278
	279	# Returns once the application has at least fired ONE tracepoint.
	280	start_test_app
	281
5f4c2d80 JD	282	lttng_snapshot_record $SESSION_NAME
	283	stop_lttng_tracing $SESSION_NAME
	284	destroy_lttng_session $SESSION_NAME
	285
	286	# Validate test
	287	validate_trace $EVENT_NAME $TRACE_PATH/
	288	if [ $? -eq 0 ]; then
	289	# Only delete if successful
	290	rm -rf $TRACE_PATH
	291	else
	292	break
	293	fi
209b934f	294
0fc2834c	295	stop_test_apps
5f4c2d80 JD	296	}
5f4c2d80 JD	297
4f03c06d JD	298	function test_ust_per_uid_local_snapshot_post_mortem ()
	299	{
	300	diag "Test local UST snapshots post-mortem"
	301	create_lttng_session_no_output $SESSION_NAME
	302	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	303	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	304	start_lttng_tracing $SESSION_NAME
	305	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	306
	307	# Returns once the application has at least fired ONE tracepoint.
	308	start_test_app
0fc2834c	309	stop_test_apps
209b934f	310
4f03c06d JD	311	lttng_snapshot_record $SESSION_NAME
	312	stop_lttng_tracing $SESSION_NAME
	313	destroy_lttng_session $SESSION_NAME
	314
	315	# Validate test
	316	validate_trace $EVENT_NAME $TRACE_PATH/
	317	if [ $? -eq 0 ]; then
	318	# Only delete if successful
	319	rm -rf $TRACE_PATH
	320	else
	321	break
	322	fi
	323	}
	324
1d20c959	325	function test_ust_local_snapshots ()
ebaaaf5e	326	{
1d20c959	327	diag "Test $NR_SNAPSHOT local UST snapshots"
ebaaaf5e JD	328	create_lttng_session_no_output $SESSION_NAME
	329	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	330	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	331	start_lttng_tracing $SESSION_NAME
	332	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	333
	334	# Returns once the application has at least fired ONE tracepoint.
	335	start_test_app
	336
1d20c959 DG	337	for i in $(seq 1 $NR_SNAPSHOT); do
1d20c959 DG	338	diag "Snapshot $i/$NR_SNAPSHOT"
ebaaaf5e JD	339	rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
	340	lttng_snapshot_record $SESSION_NAME
	341	# Validate test
	342	validate_trace $EVENT_NAME $TRACE_PATH/
	343	if [ $? -eq 0 ]; then
	344	# Only delete if successful
	345	rm -rf $TRACE_PATH
	346	else
	347	break
	348	fi
	349	done
	350	stop_lttng_tracing $SESSION_NAME
	351	destroy_lttng_session $SESSION_NAME
209b934f	352
0fc2834c	353	stop_test_apps
ebaaaf5e JD	354	}
	355
	356	plan_tests $NUM_TESTS
	357
	358	print_test_banner "$TEST_DESC"
	359
ebaaaf5e JD	360	start_lttng_sessiond
ebaaaf5e JD	361
5e83c405 CB	362	tests=( test_ust_list_output
	363	test_ust_local_snapshot
	364	test_ust_local_snapshot_max_size
	365	test_ust_per_uid_local_snapshot
	366	test_ust_per_uid_local_snapshot_post_mortem
	367	test_ust_local_snapshot_large_metadata
1d20c959	368	test_ust_local_snapshots)
ebaaaf5e JD	369
	370	for fct_test in ${tests[@]};
	371	do
	372	SESSION_NAME=$(randstring 16 0)
	373	${fct_test}
ebaaaf5e JD	374	done
	375
	376	stop_lttng_sessiond