[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

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 &
	ok $? "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_app()
{
	diag "Killing $TESTAPP_NAME"
	PID_APP=`pidof $TESTAPP_NAME`
	kill $PID_APP >/dev/null 2>&1
	diag "Waiting on $TESTAPP_NAME"
	wait
}

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_app
}

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_app
}

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_app
}

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_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
}

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_app
}

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
	30
1d20c959	31	NUM_TESTS=76
ebaaaf5e	32
1d20c959	33	TRACE_PATH=$(mktemp -d)
ebaaaf5e JD	34
	35	source $TESTDIR/utils/utils.sh
	36
	37	if [ ! -x "$TESTAPP_BIN" ]; then
	38	BAIL_OUT "No UST events binary detected."
	39	fi
	40
1d20c959 DG	41	# Need the number of snapshot to do.
	42	if [ -z $1 ]; then
	43	BAIL_OUT "A number of snapshot is needed."
	44	fi
	45	NR_SNAPSHOT=$1
	46
	47	NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 2)))
	48
209b934f DG	49	function start_test_app()
	50	{
	51	local tmp_file="/tmp/lttng_test_ust.42.file"
	52
	53	# Start application with a temporary file.
	54	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
	55	ok $? "Start application to trace"
	56
	57	# Wait for the application file to appear indicating that at least one
	58	# tracepoint has been fired.
	59	while [ ! -f "$tmp_file" ]; do
	60	sleep 0.5
	61	done
	62	diag "Removing test app temporary file $tmp_file"
	63	rm -f $tmp_file
	64	}
	65
5dca3876	66	function stop_test_app()
209b934f DG	67	{
	68	diag "Killing $TESTAPP_NAME"
	69	PID_APP=`pidof $TESTAPP_NAME`
	70	kill $PID_APP >/dev/null 2>&1
5dca3876 MD	71	diag "Waiting on $TESTAPP_NAME"
5dca3876 MD	72	wait
209b934f DG	73	}
209b934f DG	74
5e83c405 CB	75	function snapshot_add_output ()
	76	{
	77	local sess_name=$1
	78	local trace_path=$2
	79	local name=$3
	80	local max_size=$4
	81	local extra_opt=""
	82
	83	if [ ! -z $name ]; then
	84	extra_opt+=" -n $name "
	85	fi
	86
	87	if [ ! -z $max_size ]; then
	88	extra_opt+=" -m $max_size "
	89	fi
	90
	91	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \
	92	-s $sess_name $extra_opt $trace_path > /dev/null 2>&1
	93
	94	ok $? "Added snapshot output $trace_path ($extra_opt)"
	95	}
	96
	97	function snapshot_del_output ()
	98	{
	99	local sess_name=$1
	100	local name=$2
	101
	102	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
	103	-s $sess_name $name > /dev/null 2>&1
	104
	105	ok $? "Deleted snapshot output named $name"
	106	}
	107
	108	function enable_mmap_overwrite_subbuf_ust_channel ()
	109	{
	110	local sess_name=$1
	111	local chan_name=$2
	112	local subbuf_size=$3
	113
	114	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
	115	$chan_name -u --output mmap --overwrite \
	116	--subbuf-size $subbuf_size > /dev/null 2>&1
	117
	118	ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
	119	}
	120
	121
	122	function test_ust_list_output ()
	123	{
	124	output_names=("randomname" "somesnapshot")
	125
	126	diag "Test UST snapshot output listing"
	127	create_lttng_session_no_output $SESSION_NAME
	128	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	129	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	130
	131	start_lttng_tracing $SESSION_NAME
	132
	133	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}
	134
	135	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
	136	-s $SESSION_NAME 2>&1 \| grep ${output_names[0]} > /dev/null
	137	ok $? "Snapshot named ${output_names[0]} present in list-output listing"
	138
139	snapshot_del_output $SESSION_NAME ${output_names[0]}
140
141	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}
142
143	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
144	-s $SESSION_NAME 2>&1 \| grep ${output_names[1]} > /dev/null
145
146	ok $? "Snapshot named ${output_names[1]} present in list-output listing"
147
148	stop_lttng_tracing $SESSION_NAME
149	destroy_lttng_session $SESSION_NAME
150	}
151
ebaaaf5e JD	152	function test_ust_local_snapshot ()
	153	{
	154	diag "Test local UST snapshots"
	155	create_lttng_session_no_output $SESSION_NAME
	156	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	157	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	158	start_lttng_tracing $SESSION_NAME
	159	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	160
	161	# Returns once the application has at least fired ONE tracepoint.
	162	start_test_app
	163
ebaaaf5e JD	164	lttng_snapshot_record $SESSION_NAME
	165	stop_lttng_tracing $SESSION_NAME
	166	destroy_lttng_session $SESSION_NAME
	167
	168	# Validate test
	169	validate_trace $EVENT_NAME $TRACE_PATH/
	170	if [ $? -eq 0 ]; then
	171	# Only delete if successful
	172	rm -rf $TRACE_PATH
	173	else
	174	break
	175	fi
209b934f	176
5dca3876	177	stop_test_app
ebaaaf5e JD	178	}
ebaaaf5e JD	179
5e83c405 CB	180	function test_ust_local_snapshot_max_size ()
	181	{
	182	subbuf_size=8192
	183	num_cpus=`nproc`
	184
	185	# The minimum size limit is min(subbuf_size) * nb_streams
	186	max_size=$(($subbuf_size*$num_cpus))
	187
	188	diag "Test local UST snapshots with max size $max_size"
	189	create_lttng_session_no_output $SESSION_NAME
	190
	191	enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
	192
	193	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	194	start_lttng_tracing $SESSION_NAME
	195
	196	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
	197
209b934f DG	198	# Returns once the application has at least fired ONE tracepoint.
209b934f DG	199	start_test_app
5e83c405 CB	200
	201	lttng_snapshot_record $SESSION_NAME
	202
	203	# Check file size
	204	sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
	205	-exec stat -c '%s' {} \; \| awk '{s = s + $1}END{print s}')
	206
	207	if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
	208	fail "Tracefiles size sum validation"
	209	diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
	210	fi
	211
	212	pass "Tracefiles size sum validation"
	213
	214	stop_lttng_tracing $SESSION_NAME
	215	destroy_lttng_session $SESSION_NAME
	216
	217	# Validate test
	218	validate_trace $EVENT_NAME $TRACE_PATH/
	219
	220	if [ $? -eq 0 ]; then
	221	# Only delete if successful
	222	rm -rf $TRACE_PATH
	223	fi
	224
5dca3876	225	stop_test_app
5e83c405 CB	226	}
5e83c405 CB	227
a54047ec JD	228	function test_ust_local_snapshot_large_metadata ()
	229	{
	230	LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
	231	LM_PATH="$TESTDIR/utils/testapp"
	232	LM_NAME="gen-ust-nevents"
	233	LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
	234
	235	diag "Test local UST snapshots with > 4kB metadata"
	236	create_lttng_session_no_output $SESSION_NAME
	237	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	238	enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
	239	start_lttng_tracing $SESSION_NAME
	240	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
	241	$LM_BIN 1 1
	242	ok $? "Start application to trace"
	243	lttng_snapshot_record $SESSION_NAME
	244	stop_lttng_tracing $SESSION_NAME
	245	destroy_lttng_session $SESSION_NAME
	246
	247	# Validate test
	248	validate_trace $LM_EVENT $TRACE_PATH/
	249	if [ $? -eq 0 ]; then
	250	# Only delete if successful
	251	rm -rf $TRACE_PATH
	252	else
	253	break
	254	fi
	255	}
	256
5f4c2d80 JD	257	function enable_channel_per_uid_mmap_overwrite()
	258	{
	259	sess_name=$1
	260	channel_name=$2
	261
	262	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
	263	ok $? "Enable channel $channel_name per UID for session $sess_name"
	264	}
	265
	266	function test_ust_per_uid_local_snapshot ()
	267	{
	268	diag "Test local UST snapshots"
	269	create_lttng_session_no_output $SESSION_NAME
	270	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	271	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	272	start_lttng_tracing $SESSION_NAME
	273	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	274
	275	# Returns once the application has at least fired ONE tracepoint.
	276	start_test_app
	277
5f4c2d80 JD	278	lttng_snapshot_record $SESSION_NAME
	279	stop_lttng_tracing $SESSION_NAME
	280	destroy_lttng_session $SESSION_NAME
	281
	282	# Validate test
	283	validate_trace $EVENT_NAME $TRACE_PATH/
	284	if [ $? -eq 0 ]; then
	285	# Only delete if successful
	286	rm -rf $TRACE_PATH
	287	else
	288	break
	289	fi
209b934f	290
5dca3876	291	stop_test_app
5f4c2d80 JD	292	}
5f4c2d80 JD	293
4f03c06d JD	294	function test_ust_per_uid_local_snapshot_post_mortem ()
	295	{
	296	diag "Test local UST snapshots post-mortem"
	297	create_lttng_session_no_output $SESSION_NAME
	298	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	299	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	300	start_lttng_tracing $SESSION_NAME
	301	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	302
	303	# Returns once the application has at least fired ONE tracepoint.
	304	start_test_app
5dca3876	305	stop_test_app
209b934f	306
4f03c06d JD	307	lttng_snapshot_record $SESSION_NAME
	308	stop_lttng_tracing $SESSION_NAME
	309	destroy_lttng_session $SESSION_NAME
	310
	311	# Validate test
	312	validate_trace $EVENT_NAME $TRACE_PATH/
	313	if [ $? -eq 0 ]; then
	314	# Only delete if successful
	315	rm -rf $TRACE_PATH
	316	else
	317	break
	318	fi
	319	}
	320
1d20c959	321	function test_ust_local_snapshots ()
ebaaaf5e	322	{
1d20c959	323	diag "Test $NR_SNAPSHOT local UST snapshots"
ebaaaf5e JD	324	create_lttng_session_no_output $SESSION_NAME
	325	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	326	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	327	start_lttng_tracing $SESSION_NAME
	328	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	329
	330	# Returns once the application has at least fired ONE tracepoint.
	331	start_test_app
	332
1d20c959 DG	333	for i in $(seq 1 $NR_SNAPSHOT); do
1d20c959 DG	334	diag "Snapshot $i/$NR_SNAPSHOT"
ebaaaf5e JD	335	rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
	336	lttng_snapshot_record $SESSION_NAME
	337	# Validate test
	338	validate_trace $EVENT_NAME $TRACE_PATH/
	339	if [ $? -eq 0 ]; then
	340	# Only delete if successful
	341	rm -rf $TRACE_PATH
	342	else
	343	break
	344	fi
	345	done
	346	stop_lttng_tracing $SESSION_NAME
	347	destroy_lttng_session $SESSION_NAME
209b934f	348
5dca3876	349	stop_test_app
ebaaaf5e JD	350	}
	351
	352	plan_tests $NUM_TESTS
	353
	354	print_test_banner "$TEST_DESC"
	355
ebaaaf5e JD	356	start_lttng_sessiond
ebaaaf5e JD	357
5e83c405 CB	358	tests=( test_ust_list_output
	359	test_ust_local_snapshot
	360	test_ust_local_snapshot_max_size
	361	test_ust_per_uid_local_snapshot
	362	test_ust_per_uid_local_snapshot_post_mortem
	363	test_ust_local_snapshot_large_metadata
1d20c959	364	test_ust_local_snapshots)
ebaaaf5e JD	365
	366	for fct_test in ${tests[@]};
	367	do
	368	SESSION_NAME=$(randstring 16 0)
	369	${fct_test}
ebaaaf5e JD	370	done
	371
	372	stop_lttng_sessiond