[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 $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
	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

	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

	#FIXME: racy missing synchronization

	# 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

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

	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_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"
	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

	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"

	#FIXME: racy missing synchronization

	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"
	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
	55	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	56	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	57	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	58	start_lttng_tracing $SESSION_NAME
	59
	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
	77
	78	diag "Start multiple applications BEFORE tracing is started"
	79
	80	for i in `seq 1 5`; do
c7613334	81	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
7972aab2 DG	82	ok $? "Start application $i for tracing"
	83	done
	84
c7613334 MD	85	#FIXME: racy missing synchronization
c7613334 MD	86
7972aab2 DG	87	# BEFORE application is spawned
7972aab2 DG	88	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	89	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	90	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	91	start_lttng_tracing $SESSION_NAME
7972aab2 DG	92
5dca3876 MD	93	diag "Waiting for applications to end"
	94	wait
	95	pass "Waiting done"
7972aab2 DG	96
	97	stop_lttng_tracing $SESSION_NAME
	98	destroy_lttng_session $SESSION_NAME
	99
	100	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	101	if [ $out -eq 0 ]; then
	102	fail "Trace validation"
	103	diag "No event(s) found. We are supposed to have at least one."
	104	out=1
	105	else
	106	pass "Trace validation"
	107	diag "Found $out event(s). Coherent."
	108	out=0
	109	fi
	110
7972aab2 DG	111	return $out
	112	}
	113
	114	test_after_app() {
	115	local out
	116
	117	diag "Start application AFTER tracing is started"
	118
	119	# BEFORE application is spawned
	120	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	121	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	122	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
7972aab2 DG	123	start_lttng_tracing $SESSION_NAME
7972aab2 DG	124
c7613334	125	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
7972aab2	126	ok $? "Start application to trace"
c7613334	127	wait
7972aab2 DG	128
	129	stop_lttng_tracing $SESSION_NAME
	130	destroy_lttng_session $SESSION_NAME
	131
d53addeb	132	trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
7972aab2 DG	133
	134	return $?
	135	}
	136
	137	test_before_app() {
	138	local out
	139
	140	diag "Start application BEFORE tracing is started"
	141
7972aab2 DG	142
	143	# BEFORE application is spawned
	144	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9	145	enable_channel_per_pid $SESSION_NAME "channel0"
1afc6e74	146	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
f8ccb5c8 CB	147
	148	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
	149	ok $? "Start application to trace"
	150
c7613334 MD	151	#FIXME: racy missing synchronization
c7613334 MD	152
7972aab2 DG	153	start_lttng_tracing $SESSION_NAME
7972aab2 DG	154
c7613334	155	wait
7972aab2 DG	156
	157	stop_lttng_tracing $SESSION_NAME
	158	destroy_lttng_session $SESSION_NAME
	159
	160	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	161	if [ $out -eq 0 ]; then
	162	fail "Trace validation"
	163	diag "No event(s) found. We are supposed to have at least one."
	164	out=1
	165	else
	166	pass "Trace validation"
	167	diag "Found $out event(s). Coherent."
	168	out=0
	169	fi
	170
7972aab2 DG	171	return $out
	172	}
	173
	174	test_multiple_channels() {
	175	local out
	176
	177	diag "Start with multiple channels"
	178
	179	# BEFORE application is spawned
	180	create_lttng_session $SESSION_NAME $TRACE_PATH
f5481aa9 DG	181	enable_channel_per_pid $SESSION_NAME "channel0"
	182	enable_channel_per_pid $SESSION_NAME "channel1"
	183	enable_channel_per_pid $SESSION_NAME "channel2"
	184	enable_channel_per_pid $SESSION_NAME "channel3"
	185	enable_channel_per_pid $SESSION_NAME "channel4"
7972aab2 DG	186	# Enable event in all channels.
	187	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
	188	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
	189	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
	190	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
	191	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
	192	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
	193	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
	194	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
	195	$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
	196	ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
	197	start_lttng_tracing $SESSION_NAME
	198
c7613334	199	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
7972aab2	200	ok $? "Start application to trace"
c7613334	201	wait
7972aab2 DG	202
7972aab2 DG	203	stop_lttng_tracing $SESSION_NAME
d53addeb	204	trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
7972aab2 DG	205	out=$?
	206
	207	destroy_lttng_session $SESSION_NAME
	208
	209	return $out
	210	}
	211
	212	# MUST set TESTDIR before calling those functions
	213	plan_tests $NUM_TESTS
	214
e3bef725 CB	215	print_test_banner "$TEST_DESC"
e3bef725 CB	216
7972aab2 DG	217	TESTS=(
	218	"test_before_app"
	219	"test_after_app"
	220	"test_after_multiple_apps"
	221	"test_before_multiple_apps"
	222	"test_multiple_channels"
	223	)
	224
	225	TEST_COUNT=${#TESTS[@]}
	226	i=0
	227
	228	start_lttng_sessiond
	229
	230	while [ $i -lt $TEST_COUNT ]; do
	231	TRACE_PATH=$(mktemp -d)
	232	${TESTS[$i]}
7972aab2 DG	233	rm -rf $TRACE_PATH
	234	let "i++"
	235	done
	236
	237	stop_lttng_sessiond