[lttng-tools.git] / tests / regression / ust / buffers-pid / test_buffers_pid

#!/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
TEST_DESC="UST tracer - Tracing with per PID buffers"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_ITER=100
NR_USEC_WAIT=100000
SESSION_NAME="buffers-pid"

TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
EVENT_NAME="tp:tptest"
NUM_TESTS=59

source $TESTDIR/utils/utils.sh

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

# MUST set TESTDIR before calling those functions

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

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

test_after_multiple_apps() {
	local out
	local i

	diag "Start multiple applications AFTER tracing is started"

	# BEFORE application is spawned
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing_ok $SESSION_NAME

	for i in `seq 1 5`; do
		$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
		ok $? "Start application $i for tracing"
	done
	wait

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH

	return $?
}

test_before_multiple_apps() {
	local out
	local i
	local file_sync_after_first=$(mktemp -u)
	local file_sync_before_last=$(mktemp -u)

	diag "Start multiple applications BEFORE tracing is started"

	for i in `seq 1 5`; do
		$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first}_${i} ${file_sync_before_last}_${i} >/dev/null 2>&1 &
		ok $? "Start application $i for tracing"
	done

	# BEFORE application is spawned
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing_ok $SESSION_NAME

	for i in `seq 1 5`; do
		touch ${file_sync_before_last}_${i}
	done

	diag "Waiting for applications to end"
	wait
	pass "Waiting done"

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	for i in `seq 1 5`; do
		rm -f ${file_sync_after_first}_${i}
		rm -f ${file_sync_before_last}_${i}
	done

	out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
	if [ $out -eq 0 ]; then
		fail "Trace validation"
		diag "No event(s) found. We are supposed to have at least one."
		out=1
	else
		pass "Trace validation"
		diag "Found $out event(s). Coherent."
		out=0
	fi

	return $out
}

test_after_app() {
	local out

	diag "Start application AFTER tracing is started"

	# BEFORE application is spawned
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing_ok $SESSION_NAME

	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
	ok $? "Start application to trace"
	wait

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH

	return $?
}

test_before_app() {
	local out
	local file_sync_after_first=$(mktemp -u)
	local file_sync_before_last=$(mktemp -u)

	diag "Start application BEFORE tracing is started"


	# BEFORE application is spawned
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"

	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} &
	ok $? "Start application to trace"

	start_lttng_tracing_ok $SESSION_NAME

	touch ${file_sync_before_last}

	wait

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	rm -f ${file_sync_after_first}
	rm -f ${file_sync_before_last}

	out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
	if [ $out -eq 0 ]; then
		fail "Trace validation"
		diag "No event(s) found. We are supposed to have at least one."
		out=1
	else
		pass "Trace validation"
		diag "Found $out event(s). Coherent."
		out=0
	fi

	return $out
}

test_multiple_channels() {
	local out

	diag "Start with multiple channels"

	# BEFORE application is spawned
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_channel_per_pid $SESSION_NAME "channel1"
	enable_channel_per_pid $SESSION_NAME "channel2"
	enable_channel_per_pid $SESSION_NAME "channel3"
	enable_channel_per_pid $SESSION_NAME "channel4"
	# Enable event in all channels.
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
	start_lttng_tracing_ok $SESSION_NAME

	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
	ok $? "Start application to trace"
	wait

	stop_lttng_tracing $SESSION_NAME
	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
	out=$?

	destroy_lttng_session $SESSION_NAME

	return $out
}

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

TESTS=(
	"test_before_app"
	"test_after_app"
	"test_after_multiple_apps"
	"test_before_multiple_apps"
	"test_multiple_channels"
)

TEST_COUNT=${#TESTS[@]}
i=0

start_lttng_sessiond

while [ $i -lt $TEST_COUNT ]; do
	TRACE_PATH=$(mktemp -d)
	${TESTS[$i]}
	rm -rf $TRACE_PATH
	let "i++"
done

stop_lttng_sessiond
Commit	Line	Data
7972aab2 DG	1	#!/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
f5481aa9	17	TEST_DESC="UST tracer - Tracing with per PID buffers"
7972aab2 DG	18
	19	CURDIR=$(dirname $0)/
	20	TESTDIR=$CURDIR/../../..
	21	NR_ITER=100
b6a8c35e	22	NR_USEC_WAIT=100000
f5481aa9	23	SESSION_NAME="buffers-pid"
b6a8c35e CB	24
	25	TESTAPP_PATH="$TESTDIR/utils/testapp"
	26	TESTAPP_NAME="gen-ust-events"
	27	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	28	EVENT_NAME="tp:tptest"
5dca3876	29	NUM_TESTS=59
7972aab2 DG	30
	31	source $TESTDIR/utils/utils.sh
	32
b6a8c35e CB	33	if [ ! -x "$TESTAPP_BIN" ]; then
b6a8c35e CB	34	BAIL_OUT "No UST events binary detected."
7972aab2 DG	35	fi
	36
	37	# MUST set TESTDIR before calling those functions
	38
f5481aa9	39	function enable_channel_per_pid()
7972aab2 DG	40	{
	41	sess_name=$1
	42	channel_name=$2
	43
f5481aa9 DG	44	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
f5481aa9 DG	45	ok $? "Enable channel $channel_name per PID for session $sess_name"
7972aab2 DG	46	}
7972aab2 DG	47
7972aab2 DG	48	test_after_multiple_apps() {
	49	local out
	50	local i
	51
	52	diag "Start multiple applications AFTER tracing is started"
	53
	54	# BEFORE application is spawned
bf6ae429	55	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
f5481aa9	56	enable_channel_per_pid $SESSION_NAME "channel0"
c4926bb5	57	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
e563bbdb	58	start_lttng_tracing_ok $SESSION_NAME
7972aab2 DG	59
7972aab2 DG	60	for i in `seq 1 5`; do
c7613334	61	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
7972aab2 DG	62	ok $? "Start application $i for tracing"
7972aab2 DG	63	done
c7613334	64	wait
7972aab2 DG	65
	66	stop_lttng_tracing $SESSION_NAME
	67	destroy_lttng_session $SESSION_NAME
	68
d53addeb	69	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
7972aab2 DG	70
	71	return $?
	72	}
	73
	74	test_before_multiple_apps() {
	75	local out
	76	local i
5fcaccbc MD	77	local file_sync_after_first=$(mktemp -u)
5fcaccbc MD	78	local file_sync_before_last=$(mktemp -u)
7972aab2 DG	79
	80	diag "Start multiple applications BEFORE tracing is started"
	81
	82	for i in `seq 1 5`; do
5fcaccbc	83	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first}_${i} ${file_sync_before_last}_${i} >/dev/null 2>&1 &
7972aab2 DG	84	ok $? "Start application $i for tracing"
	85	done
	86
	87	# BEFORE application is spawned
bf6ae429	88	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
f5481aa9	89	enable_channel_per_pid $SESSION_NAME "channel0"
c4926bb5	90	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
e563bbdb	91	start_lttng_tracing_ok $SESSION_NAME
7972aab2	92
5fcaccbc MD	93	for i in `seq 1 5`; do
	94	touch ${file_sync_before_last}_${i}
	95	done
	96
5dca3876 MD	97	diag "Waiting for applications to end"
	98	wait
	99	pass "Waiting done"
7972aab2 DG	100
	101	stop_lttng_tracing $SESSION_NAME
	102	destroy_lttng_session $SESSION_NAME
	103
5fcaccbc MD	104	for i in `seq 1 5`; do
	105	rm -f ${file_sync_after_first}_${i}
	106	rm -f ${file_sync_before_last}_${i}
	107	done
	108
7972aab2 DG	109	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	110	if [ $out -eq 0 ]; then
	111	fail "Trace validation"
	112	diag "No event(s) found. We are supposed to have at least one."
	113	out=1
	114	else
	115	pass "Trace validation"
	116	diag "Found $out event(s). Coherent."
	117	out=0
	118	fi
	119
7972aab2 DG	120	return $out
	121	}
	122
	123	test_after_app() {
	124	local out
	125
	126	diag "Start application AFTER tracing is started"
	127
	128	# BEFORE application is spawned
bf6ae429	129	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
f5481aa9	130	enable_channel_per_pid $SESSION_NAME "channel0"
c4926bb5	131	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
e563bbdb	132	start_lttng_tracing_ok $SESSION_NAME
7972aab2	133
c7613334	134	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
7972aab2	135	ok $? "Start application to trace"
c7613334	136	wait
7972aab2 DG	137
	138	stop_lttng_tracing $SESSION_NAME
	139	destroy_lttng_session $SESSION_NAME
	140
d53addeb	141	trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
7972aab2 DG	142
	143	return $?
	144	}
	145
	146	test_before_app() {
	147	local out
5fcaccbc MD	148	local file_sync_after_first=$(mktemp -u)
5fcaccbc MD	149	local file_sync_before_last=$(mktemp -u)
7972aab2 DG	150
	151	diag "Start application BEFORE tracing is started"
	152
7972aab2 DG	153
7972aab2 DG	154	# BEFORE application is spawned
bf6ae429	155	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
f5481aa9	156	enable_channel_per_pid $SESSION_NAME "channel0"
c4926bb5	157	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
f8ccb5c8	158
5fcaccbc	159	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} &
f8ccb5c8 CB	160	ok $? "Start application to trace"
f8ccb5c8 CB	161
e563bbdb	162	start_lttng_tracing_ok $SESSION_NAME
7972aab2	163
5fcaccbc MD	164	touch ${file_sync_before_last}
5fcaccbc MD	165
c7613334	166	wait
7972aab2 DG	167
	168	stop_lttng_tracing $SESSION_NAME
	169	destroy_lttng_session $SESSION_NAME
	170
5fcaccbc MD	171	rm -f ${file_sync_after_first}
	172	rm -f ${file_sync_before_last}
	173
7972aab2 DG	174	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	175	if [ $out -eq 0 ]; then
	176	fail "Trace validation"
	177	diag "No event(s) found. We are supposed to have at least one."
	178	out=1
	179	else
	180	pass "Trace validation"
	181	diag "Found $out event(s). Coherent."
	182	out=0
	183	fi
	184
7972aab2 DG	185	return $out
	186	}
	187
	188	test_multiple_channels() {
	189	local out
	190
	191	diag "Start with multiple channels"
	192
	193	# BEFORE application is spawned
bf6ae429	194	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
f5481aa9 DG	195	enable_channel_per_pid $SESSION_NAME "channel0"
	196	enable_channel_per_pid $SESSION_NAME "channel1"
	197	enable_channel_per_pid $SESSION_NAME "channel2"
	198	enable_channel_per_pid $SESSION_NAME "channel3"
	199	enable_channel_per_pid $SESSION_NAME "channel4"
7972aab2 DG	200	# Enable event in all channels.
	201	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
	202	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
	203	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
	204	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
	205	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
	206	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
	207	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
	208	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
	209	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
	210	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
e563bbdb	211	start_lttng_tracing_ok $SESSION_NAME
7972aab2	212
c7613334	213	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
7972aab2	214	ok $? "Start application to trace"
c7613334	215	wait
7972aab2 DG	216
7972aab2 DG	217	stop_lttng_tracing $SESSION_NAME
d53addeb	218	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
7972aab2 DG	219	out=$?
	220
	221	destroy_lttng_session $SESSION_NAME
	222
	223	return $out
	224	}
	225
	226	# MUST set TESTDIR before calling those functions
	227	plan_tests $NUM_TESTS
	228
e3bef725 CB	229	print_test_banner "$TEST_DESC"
e3bef725 CB	230
7972aab2 DG	231	TESTS=(
	232	"test_before_app"
	233	"test_after_app"
	234	"test_after_multiple_apps"
	235	"test_before_multiple_apps"
	236	"test_multiple_channels"
	237	)
	238
	239	TEST_COUNT=${#TESTS[@]}
	240	i=0
	241
	242	start_lttng_sessiond
	243
	244	while [ $i -lt $TEST_COUNT ]; do
	245	TRACE_PATH=$(mktemp -d)
	246	${TESTS[$i]}
7972aab2 DG	247	rm -rf $TRACE_PATH
	248	let "i++"
	249	done
	250
	251	stop_lttng_sessiond