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

#!/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

TRACE_PATH=$(mktemp -d)

NUM_TESTS=2076

source $TESTDIR/utils/utils.sh

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

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 kill_test_app()
{
	diag "Killing $TESTAPP_NAME"
	PID_APP=`pidof $TESTAPP_NAME`
	kill $PID_APP >/dev/null 2>&1
}

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

	kill_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

	kill_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

	kill_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
	kill_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_1000_local_snapshots ()
{
	NB_SNAP=1000

	diag "Test $NB_SNAP 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 $NB_SNAP); do
		diag "Snapshot $i/$NB_SNAP"
		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

	kill_test_app
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

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_1000_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
	31	TRACE_PATH=$(mktemp -d)
	32
209b934f	33	NUM_TESTS=2076
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
209b934f DG	41	function start_test_app()
	42	{
	43	local tmp_file="/tmp/lttng_test_ust.42.file"
	44
	45	# Start application with a temporary file.
	46	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
	47	ok $? "Start application to trace"
	48
	49	# Wait for the application file to appear indicating that at least one
	50	# tracepoint has been fired.
	51	while [ ! -f "$tmp_file" ]; do
	52	sleep 0.5
	53	done
	54	diag "Removing test app temporary file $tmp_file"
	55	rm -f $tmp_file
	56	}
	57
	58	function kill_test_app()
	59	{
	60	diag "Killing $TESTAPP_NAME"
	61	PID_APP=`pidof $TESTAPP_NAME`
	62	kill $PID_APP >/dev/null 2>&1
	63	}
	64
5e83c405 CB	65	function snapshot_add_output ()
	66	{
	67	local sess_name=$1
	68	local trace_path=$2
	69	local name=$3
	70	local max_size=$4
	71	local extra_opt=""
	72
	73	if [ ! -z $name ]; then
	74	extra_opt+=" -n $name "
	75	fi
	76
	77	if [ ! -z $max_size ]; then
	78	extra_opt+=" -m $max_size "
	79	fi
	80
	81	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \
	82	-s $sess_name $extra_opt $trace_path > /dev/null 2>&1
	83
	84	ok $? "Added snapshot output $trace_path ($extra_opt)"
	85	}
	86
	87	function snapshot_del_output ()
	88	{
	89	local sess_name=$1
	90	local name=$2
	91
	92	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
	93	-s $sess_name $name > /dev/null 2>&1
	94
	95	ok $? "Deleted snapshot output named $name"
	96	}
	97
	98	function enable_mmap_overwrite_subbuf_ust_channel ()
	99	{
	100	local sess_name=$1
	101	local chan_name=$2
	102	local subbuf_size=$3
	103
	104	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
	105	$chan_name -u --output mmap --overwrite \
	106	--subbuf-size $subbuf_size > /dev/null 2>&1
	107
	108	ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
	109	}
	110
	111
	112	function test_ust_list_output ()
	113	{
	114	output_names=("randomname" "somesnapshot")
	115
	116	diag "Test UST snapshot output listing"
	117	create_lttng_session_no_output $SESSION_NAME
	118	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	119	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	120
	121	start_lttng_tracing $SESSION_NAME
	122
	123	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}
	124
	125	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
	126	-s $SESSION_NAME 2>&1 \| grep ${output_names[0]} > /dev/null
	127	ok $? "Snapshot named ${output_names[0]} present in list-output listing"
	128
129	snapshot_del_output $SESSION_NAME ${output_names[0]}
130
131	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}
132
133	$TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
134	-s $SESSION_NAME 2>&1 \| grep ${output_names[1]} > /dev/null
135
136	ok $? "Snapshot named ${output_names[1]} present in list-output listing"
137
138	stop_lttng_tracing $SESSION_NAME
139	destroy_lttng_session $SESSION_NAME
140	}
141
ebaaaf5e JD	142	function test_ust_local_snapshot ()
	143	{
	144	diag "Test local UST snapshots"
	145	create_lttng_session_no_output $SESSION_NAME
	146	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	147	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	148	start_lttng_tracing $SESSION_NAME
	149	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	150
	151	# Returns once the application has at least fired ONE tracepoint.
	152	start_test_app
	153
ebaaaf5e JD	154	lttng_snapshot_record $SESSION_NAME
	155	stop_lttng_tracing $SESSION_NAME
	156	destroy_lttng_session $SESSION_NAME
	157
	158	# Validate test
	159	validate_trace $EVENT_NAME $TRACE_PATH/
	160	if [ $? -eq 0 ]; then
	161	# Only delete if successful
	162	rm -rf $TRACE_PATH
	163	else
	164	break
	165	fi
209b934f DG	166
209b934f DG	167	kill_test_app
ebaaaf5e JD	168	}
ebaaaf5e JD	169
5e83c405 CB	170	function test_ust_local_snapshot_max_size ()
	171	{
	172	subbuf_size=8192
	173	num_cpus=`nproc`
	174
	175	# The minimum size limit is min(subbuf_size) * nb_streams
	176	max_size=$(($subbuf_size*$num_cpus))
	177
	178	diag "Test local UST snapshots with max size $max_size"
	179	create_lttng_session_no_output $SESSION_NAME
	180
	181	enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
	182
	183	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	184	start_lttng_tracing $SESSION_NAME
	185
	186	snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
	187
209b934f DG	188	# Returns once the application has at least fired ONE tracepoint.
209b934f DG	189	start_test_app
5e83c405 CB	190
	191	lttng_snapshot_record $SESSION_NAME
	192
	193	# Check file size
	194	sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
	195	-exec stat -c '%s' {} \; \| awk '{s = s + $1}END{print s}')
	196
	197	if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
	198	fail "Tracefiles size sum validation"
	199	diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
	200	fi
	201
	202	pass "Tracefiles size sum validation"
	203
	204	stop_lttng_tracing $SESSION_NAME
	205	destroy_lttng_session $SESSION_NAME
	206
	207	# Validate test
	208	validate_trace $EVENT_NAME $TRACE_PATH/
	209
	210	if [ $? -eq 0 ]; then
	211	# Only delete if successful
	212	rm -rf $TRACE_PATH
	213	fi
	214
209b934f	215	kill_test_app
5e83c405 CB	216	}
5e83c405 CB	217
a54047ec JD	218	function test_ust_local_snapshot_large_metadata ()
	219	{
	220	LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
	221	LM_PATH="$TESTDIR/utils/testapp"
	222	LM_NAME="gen-ust-nevents"
	223	LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
	224
	225	diag "Test local UST snapshots with > 4kB metadata"
	226	create_lttng_session_no_output $SESSION_NAME
	227	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	228	enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
	229	start_lttng_tracing $SESSION_NAME
	230	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
	231	$LM_BIN 1 1
	232	ok $? "Start application to trace"
	233	lttng_snapshot_record $SESSION_NAME
	234	stop_lttng_tracing $SESSION_NAME
	235	destroy_lttng_session $SESSION_NAME
	236
	237	# Validate test
	238	validate_trace $LM_EVENT $TRACE_PATH/
	239	if [ $? -eq 0 ]; then
	240	# Only delete if successful
	241	rm -rf $TRACE_PATH
	242	else
	243	break
	244	fi
	245	}
	246
5f4c2d80 JD	247	function enable_channel_per_uid_mmap_overwrite()
	248	{
	249	sess_name=$1
	250	channel_name=$2
	251
	252	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
	253	ok $? "Enable channel $channel_name per UID for session $sess_name"
	254	}
	255
	256	function test_ust_per_uid_local_snapshot ()
	257	{
	258	diag "Test local UST snapshots"
	259	create_lttng_session_no_output $SESSION_NAME
	260	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	261	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	262	start_lttng_tracing $SESSION_NAME
	263	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	264
	265	# Returns once the application has at least fired ONE tracepoint.
	266	start_test_app
	267
5f4c2d80 JD	268	lttng_snapshot_record $SESSION_NAME
	269	stop_lttng_tracing $SESSION_NAME
	270	destroy_lttng_session $SESSION_NAME
	271
	272	# Validate test
	273	validate_trace $EVENT_NAME $TRACE_PATH/
	274	if [ $? -eq 0 ]; then
	275	# Only delete if successful
	276	rm -rf $TRACE_PATH
	277	else
	278	break
	279	fi
209b934f DG	280
209b934f DG	281	kill_test_app
5f4c2d80 JD	282	}
5f4c2d80 JD	283
4f03c06d JD	284	function test_ust_per_uid_local_snapshot_post_mortem ()
	285	{
	286	diag "Test local UST snapshots post-mortem"
	287	create_lttng_session_no_output $SESSION_NAME
	288	enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
	289	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	290	start_lttng_tracing $SESSION_NAME
	291	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	292
	293	# Returns once the application has at least fired ONE tracepoint.
	294	start_test_app
	295	kill_test_app
	296
4f03c06d JD	297	lttng_snapshot_record $SESSION_NAME
	298	stop_lttng_tracing $SESSION_NAME
	299	destroy_lttng_session $SESSION_NAME
	300
	301	# Validate test
	302	validate_trace $EVENT_NAME $TRACE_PATH/
	303	if [ $? -eq 0 ]; then
	304	# Only delete if successful
	305	rm -rf $TRACE_PATH
	306	else
	307	break
	308	fi
	309	}
	310
ebaaaf5e JD	311	function test_ust_1000_local_snapshots ()
	312	{
	313	NB_SNAP=1000
	314
	315	diag "Test $NB_SNAP local UST snapshots"
	316	create_lttng_session_no_output $SESSION_NAME
	317	enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
	318	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
	319	start_lttng_tracing $SESSION_NAME
	320	lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
209b934f DG	321
	322	# Returns once the application has at least fired ONE tracepoint.
	323	start_test_app
	324
ebaaaf5e JD	325	for i in $(seq 1 $NB_SNAP); do
	326	diag "Snapshot $i/$NB_SNAP"
	327	rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
	328	lttng_snapshot_record $SESSION_NAME
	329	# Validate test
	330	validate_trace $EVENT_NAME $TRACE_PATH/
	331	if [ $? -eq 0 ]; then
	332	# Only delete if successful
	333	rm -rf $TRACE_PATH
	334	else
	335	break
	336	fi
	337	done
	338	stop_lttng_tracing $SESSION_NAME
	339	destroy_lttng_session $SESSION_NAME
209b934f DG	340
209b934f DG	341	kill_test_app
ebaaaf5e JD	342	}
	343
	344	plan_tests $NUM_TESTS
	345
	346	print_test_banner "$TEST_DESC"
	347
	348	if [ "$(id -u)" == "0" ]; then
	349	isroot=1
	350	else
	351	isroot=0
	352	fi
	353
	354	start_lttng_sessiond
	355
5e83c405 CB	356	tests=( test_ust_list_output
	357	test_ust_local_snapshot
	358	test_ust_local_snapshot_max_size
	359	test_ust_per_uid_local_snapshot
	360	test_ust_per_uid_local_snapshot_post_mortem
	361	test_ust_local_snapshot_large_metadata
4f03c06d	362	test_ust_1000_local_snapshots )
ebaaaf5e JD	363
	364	for fct_test in ${tests[@]};
	365	do
	366	SESSION_NAME=$(randstring 16 0)
	367	${fct_test}
ebaaaf5e JD	368	done
	369
	370	stop_lttng_sessiond