[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=58

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"
}

function wait_apps
{
	diag "Waiting for applications to end..."
	while [ -n "$(pidof $TESTAPP_NAME)" ]; do
		sleep 1
	done
}

test_after_multiple_apps() {
	local out
	local i

	diag "Start multiple applications AFTER tracing is started"

	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing $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

	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

	diag "Start multiple applications BEFORE tracing is started"

	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

	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing $SESSION_NAME

	# At least hit one event
	sleep 2

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	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

	wait_apps

	return $out
}

test_after_app() {
	local out

	diag "Start application AFTER tracing is started"

	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
	start_lttng_tracing $SESSION_NAME

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

	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

	diag "Start application BEFORE tracing is started"


	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_channel_per_pid $SESSION_NAME "channel0"
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"

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

	start_lttng_tracing $SESSION_NAME

	wait ${!}

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	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 $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 $SESSION_NAME

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

	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"
7972aab2 DG	29	NUM_TESTS=58
	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 $sess_name"
7972aab2 DG	46	}
	47
	48	function wait_apps
	49	{
	50	diag "Waiting for applications to end..."
b6a8c35e	51	while [ -n "$(pidof $TESTAPP_NAME)" ]; do
7972aab2 DG	52	sleep 1
	53	done
	54	}
	55
	56	test_after_multiple_apps() {
	57	local out
	58	local i
	59
	60	diag "Start multiple applications AFTER tracing is started"
	61
	62	# BEFORE application is spawned
	63	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	64	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	65	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	66	start_lttng_tracing $SESSION_NAME
	67
	68	for i in `seq 1 5`; do
d7ee608c	69	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1
7972aab2 DG	70	ok $? "Start application $i for tracing"
7972aab2 DG	71	done
7972aab2 DG	72
	73	stop_lttng_tracing $SESSION_NAME
	74	destroy_lttng_session $SESSION_NAME
	75
d53addeb	76	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
7972aab2 DG	77
	78	return $?
	79	}
	80
	81	test_before_multiple_apps() {
	82	local out
	83	local i
	84
	85	diag "Start multiple applications BEFORE tracing is started"
	86
	87	for i in `seq 1 5`; do
b6a8c35e	88	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & >/dev/null 2>&1
7972aab2 DG	89	ok $? "Start application $i for tracing"
	90	done
	91
	92	# BEFORE application is spawned
	93	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	94	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	95	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	96	start_lttng_tracing $SESSION_NAME
	97
	98	# At least hit one event
	99	sleep 2
	100
	101	stop_lttng_tracing $SESSION_NAME
	102	destroy_lttng_session $SESSION_NAME
	103
	104	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	105	if [ $out -eq 0 ]; then
	106	fail "Trace validation"
	107	diag "No event(s) found. We are supposed to have at least one."
	108	out=1
	109	else
	110	pass "Trace validation"
	111	diag "Found $out event(s). Coherent."
	112	out=0
	113	fi
	114
	115	wait_apps
	116
	117	return $out
	118	}
	119
	120	test_after_app() {
	121	local out
	122
	123	diag "Start application AFTER tracing is started"
	124
	125	# BEFORE application is spawned
	126	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	127	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	128	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	129	start_lttng_tracing $SESSION_NAME
7972aab2 DG	130
b6a8c35e	131	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
7972aab2 DG	132	ok $? "Start application to trace"
	133
	134	stop_lttng_tracing $SESSION_NAME
	135	destroy_lttng_session $SESSION_NAME
	136
d53addeb	137	trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
7972aab2 DG	138
	139	return $?
	140	}
	141
	142	test_before_app() {
	143	local out
	144
	145	diag "Start application BEFORE tracing is started"
	146
7972aab2 DG	147
	148	# BEFORE application is spawned
	149	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	150	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	151	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
f8ccb5c8 CB	152
	153	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
	154	ok $? "Start application to trace"
	155
7972aab2 DG	156	start_lttng_tracing $SESSION_NAME
7972aab2 DG	157
f8ccb5c8	158	wait ${!}
7972aab2 DG	159
	160	stop_lttng_tracing $SESSION_NAME
	161	destroy_lttng_session $SESSION_NAME
	162
	163	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	164	if [ $out -eq 0 ]; then
	165	fail "Trace validation"
	166	diag "No event(s) found. We are supposed to have at least one."
	167	out=1
	168	else
	169	pass "Trace validation"
	170	diag "Found $out event(s). Coherent."
	171	out=0
	172	fi
	173
7972aab2 DG	174	return $out
	175	}
	176
	177	test_multiple_channels() {
	178	local out
	179
	180	diag "Start with multiple channels"
	181
	182	# BEFORE application is spawned
	183	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9 DG	184	enable_channel_per_pid $SESSION_NAME "channel0"
	185	enable_channel_per_pid $SESSION_NAME "channel1"
	186	enable_channel_per_pid $SESSION_NAME "channel2"
	187	enable_channel_per_pid $SESSION_NAME "channel3"
	188	enable_channel_per_pid $SESSION_NAME "channel4"
7972aab2 DG	189	# Enable event in all channels.
	190	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
	191	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
	192	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
	193	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
	194	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
	195	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
	196	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
	197	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
	198	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
	199	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
	200	start_lttng_tracing $SESSION_NAME
	201
b6a8c35e	202	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
7972aab2 DG	203	ok $? "Start application to trace"
	204
	205	stop_lttng_tracing $SESSION_NAME
d53addeb	206	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
7972aab2 DG	207	out=$?
	208
	209	destroy_lttng_session $SESSION_NAME
	210
	211	return $out
	212	}
	213
	214	# MUST set TESTDIR before calling those functions
	215	plan_tests $NUM_TESTS
	216
e3bef725 CB	217	print_test_banner "$TEST_DESC"
e3bef725 CB	218
7972aab2 DG	219	TESTS=(
	220	"test_before_app"
	221	"test_after_app"
	222	"test_after_multiple_apps"
	223	"test_before_multiple_apps"
	224	"test_multiple_channels"
	225	)
	226
	227	TEST_COUNT=${#TESTS[@]}
	228	i=0
	229
	230	start_lttng_sessiond
	231
	232	while [ $i -lt $TEST_COUNT ]; do
	233	TRACE_PATH=$(mktemp -d)
	234	${TESTS[$i]}
7972aab2 DG	235	rm -rf $TRACE_PATH
	236	let "i++"
	237	done
	238
	239	stop_lttng_sessiond