[lttng-tools.git] / tests / regression / ust / getcpu-override / test_getcpu_override

#!/bin/bash
#
# Copyright (C) - 2015 Jonathan Rajotte <jonathan.rajotte-julien@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 - Getcpu override plugin"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
SESSION_NAME="sequence-cpu"

TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
TESTAPP_WRAPPER="run-getcpu-override"
NUM_EVENT=256
EVENT_WAIT_USEC=1
EVENT_NAME="tp:tptest"

NUM_TESTS=20

SEQUENCE_SEED=(
100 57 232 236 42 193 224 184 216 150 92 91 108 118 55 243 65 101 209 0 147 36
29 34 49 188 174 105 253 245 227 238 112 20 222 201 102 175 119 19 132 41 78 90
114 64 138 14 48 18 162 85 204 124 133 73 172 106 241 126 28 104 111 21 127 219
9 244 237 189 59 214 52 141 107 26 25 199 3 157 117 234 33 44 46 84 69 155 122
250 231 86 239 76 190 120 1 94 206 8 148 159 167 215 164 31 217 61 71 125 68 109
195 177 95 82 142 182 129 87 37 140 134 186 173 39 116 143 254 229 131 67 121
192 240 15 221 30 242 185 80 170 135 51 187 194 246 12 225 181 137 211 228 88
218 27 233 161 77 252 123 93 220 248 205 223 144 128 196 70 247 210 178 203 154
24 169 149 163 35 7 151 103 197 139 165 158 207 72 113 145 45 183 11 198 43 81
230 97 96 2 66 213 146 179 22 58 54 38 160 200 235 226 156 56 208 249 32 176 168
110 191 79 152 115 10 74 60 251 17 83 180 171 202 40 166 255 53 212 98 5 50 99 4
89 13 63 6 136 153 23 16 47 130 75 62
)

source $TESTDIR/utils/utils.sh

# Equivalent to the syconf(_SC_NPROCESSORS_CONF) call.
num_cpus=$(conf_proc_count)

if [ ! -x "$CURDIR/.libs/lttng-ust-getcpu-override-test.so" ]; then
	BAIL_OUT "No shared object generated"
fi

# MUST set TESTDIR before calling those functions

run_app()
{
	diag "Launching app without getcpu-plugin wrapper"
	$TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
	ok $? "Application without wrapper done"
}

run_getcpu_plugin_app()
{
	diag "Launching app with getcpu-plugin wrapper"
	$CURDIR/$TESTAPP_WRAPPER $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
	ok $? "Application with wrapper done"
}

compare_ok()
{
	compare 0 "$@"
}

compare_fail()
{
	compare 1 "$@"
}

compare()
{
	local expected_to_fail=$1
	declare -a array_to_compare=("${!2}")
	local valid=0

	test ${#array_to_compare[*]} -eq ${#SEQUENCE_SEED[*]}
	ok $? "Sequence seed and cpuid sequence have the same size ${#SEQUENCE_SEED[*]}/${#array_to_compare[*]}"

	for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
		if [ "${array_to_compare[$i]}" -ne "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" ]; then
			valid=1
			break
		fi
	done

	if [[ $expected_to_fail -eq "1" ]]; then
		test $valid -ne "0"
		ok $? "Cpuid extraction and seed sequence comparison fails as expected"
	else
		ok $valid "Cpuid extraction and seed sequence comparison"
		if [[ $valid -ne "0" ]]; then
			diag "Dumping arrays after failed comparison"
			for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
				echo -n "# array value is "
				echo -n "${array_to_compare[$i]}"
				echo -n " expected "
				echo "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))"
			done
			diag "Dumping trace"
			$BABELTRACE_BIN $TRACE_PATH | awk '{print "# " $0}'
		fi
	fi
}

test_getcpu_override_fail()
{
	diag "Getcpu plugin - no preloaded plugin"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
	start_lttng_tracing_ok $SESSION_NAME
	run_app
	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME

	# Move output to an array by using =($())
	local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p'))
	local num_events=${#cpuid_events[*]}
	test $num_events -eq $NUM_EVENT
	ok $? "Extraction without getcpu plugin have $num_events/$NUM_EVENT"
	compare_fail cpuid_events[@]

	return $?
}

test_getcpu_override()
{
	diag "Getcpu plugin - with plugin preloaded"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
	start_lttng_tracing_ok $SESSION_NAME
	run_getcpu_plugin_app
	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME

	local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p'))
	local num_events=${#cpuid_events[*]}
	test $num_events -eq $NUM_EVENT
	ok $? "Extraction with getcpu plugin have $num_events/$NUM_EVENT"

	compare_ok cpuid_events[@]

	return $?
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

TESTS=(
	test_getcpu_override_fail
	test_getcpu_override
)

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

start_lttng_sessiond

for fct_test in ${TESTS[@]};
do
	TRACE_PATH=$(mktemp -d)

	${fct_test}
	if [ $? -ne 0 ]; then
		break;
	fi

	rm -rf $TRACE_PATH
done

stop_lttng_sessiond
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2015 Jonathan Rajotte <jonathan.rajotte-julien@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="UST - Getcpu override plugin"
	18
	19	CURDIR=$(dirname $0)/
	20	TESTDIR=$CURDIR/../../..
	21	SESSION_NAME="sequence-cpu"
	22
	23	TESTAPP_PATH="$TESTDIR/utils/testapp"
	24	TESTAPP_NAME="gen-ust-events"
	25	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	26	TESTAPP_WRAPPER="run-getcpu-override"
	27	NUM_EVENT=256
	28	EVENT_WAIT_USEC=1
	29	EVENT_NAME="tp:tptest"
	30
	31	NUM_TESTS=20
	32
	33	SEQUENCE_SEED=(
	34	100 57 232 236 42 193 224 184 216 150 92 91 108 118 55 243 65 101 209 0 147 36
	35	29 34 49 188 174 105 253 245 227 238 112 20 222 201 102 175 119 19 132 41 78 90
	36	114 64 138 14 48 18 162 85 204 124 133 73 172 106 241 126 28 104 111 21 127 219
	37	9 244 237 189 59 214 52 141 107 26 25 199 3 157 117 234 33 44 46 84 69 155 122
	38	250 231 86 239 76 190 120 1 94 206 8 148 159 167 215 164 31 217 61 71 125 68 109
	39	195 177 95 82 142 182 129 87 37 140 134 186 173 39 116 143 254 229 131 67 121
	40	192 240 15 221 30 242 185 80 170 135 51 187 194 246 12 225 181 137 211 228 88
	41	218 27 233 161 77 252 123 93 220 248 205 223 144 128 196 70 247 210 178 203 154
	42	24 169 149 163 35 7 151 103 197 139 165 158 207 72 113 145 45 183 11 198 43 81
	43	230 97 96 2 66 213 146 179 22 58 54 38 160 200 235 226 156 56 208 249 32 176 168
	44	110 191 79 152 115 10 74 60 251 17 83 180 171 202 40 166 255 53 212 98 5 50 99 4
	45	89 13 63 6 136 153 23 16 47 130 75 62
	46	)
	47
	48	source $TESTDIR/utils/utils.sh
	49
	50	# Equivalent to the syconf(_SC_NPROCESSORS_CONF) call.
	51	num_cpus=$(conf_proc_count)
	52
	53	if [ ! -x "$CURDIR/.libs/lttng-ust-getcpu-override-test.so" ]; then
	54	BAIL_OUT "No shared object generated"
	55	fi
	56
	57	# MUST set TESTDIR before calling those functions
	58
	59	run_app()
	60	{
	61	diag "Launching app without getcpu-plugin wrapper"
	62	$TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
	63	ok $? "Application without wrapper done"
	64	}
	65
	66	run_getcpu_plugin_app()
	67	{
	68	diag "Launching app with getcpu-plugin wrapper"
	69	$CURDIR/$TESTAPP_WRAPPER $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
	70	ok $? "Application with wrapper done"
	71	}
	72
	73	compare_ok()
	74	{
	75	compare 0 "$@"
	76	}
	77
	78	compare_fail()
	79	{
	80	compare 1 "$@"
	81	}
	82
	83	compare()
	84	{
	85	local expected_to_fail=$1
	86	declare -a array_to_compare=("${!2}")
	87	local valid=0
	88
	89	test ${#array_to_compare[]} -eq ${#SEQUENCE_SEED[]}
	90	ok $? "Sequence seed and cpuid sequence have the same size ${#SEQUENCE_SEED[]}/${#array_to_compare[]}"
	91
	92	for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
	93	if [ "${array_to_compare[$i]}" -ne "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" ]; then
	94	valid=1
	95	break
	96	fi
	97	done
	98
	99	if [[ $expected_to_fail -eq "1" ]]; then
	100	test $valid -ne "0"
	101	ok $? "Cpuid extraction and seed sequence comparison fails as expected"
	102	else
	103	ok $valid "Cpuid extraction and seed sequence comparison"
	104	if [[ $valid -ne "0" ]]; then
	105	diag "Dumping arrays after failed comparison"
	106	for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
	107	echo -n "# array value is "
	108	echo -n "${array_to_compare[$i]}"
	109	echo -n " expected "
	110	echo "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))"
	111	done
	112	diag "Dumping trace"
	113	$BABELTRACE_BIN $TRACE_PATH \| awk '{print "# " $0}'
	114	fi
	115	fi
	116	}
	117
	118	test_getcpu_override_fail()
	119	{
	120	diag "Getcpu plugin - no preloaded plugin"
	121
	122	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	123	enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
	124	start_lttng_tracing_ok $SESSION_NAME
	125	run_app
	126	stop_lttng_tracing_ok $SESSION_NAME
	127	destroy_lttng_session_ok $SESSION_NAME
	128
	129	# Move output to an array by using =($())
	130	local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH \| sed -n 's/.cpu_id = \([0-9]\).*/\1/p'))
	131	local num_events=${#cpuid_events[*]}
	132	test $num_events -eq $NUM_EVENT
	133	ok $? "Extraction without getcpu plugin have $num_events/$NUM_EVENT"
	134	compare_fail cpuid_events[@]
	135
	136	return $?
	137	}
	138
	139	test_getcpu_override()
	140	{
	141	diag "Getcpu plugin - with plugin preloaded"
	142
	143	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	144	enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
	145	start_lttng_tracing_ok $SESSION_NAME
	146	run_getcpu_plugin_app
	147	stop_lttng_tracing_ok $SESSION_NAME
	148	destroy_lttng_session_ok $SESSION_NAME
	149
	150	local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH \| sed -n 's/.cpu_id = \([0-9]\).*/\1/p'))
	151	local num_events=${#cpuid_events[*]}
	152	test $num_events -eq $NUM_EVENT
	153	ok $? "Extraction with getcpu plugin have $num_events/$NUM_EVENT"
	154
	155	compare_ok cpuid_events[@]
	156
	157	return $?
	158	}
	159
	160	plan_tests $NUM_TESTS
	161
	162	print_test_banner "$TEST_DESC"
	163
	164	TESTS=(
	165	test_getcpu_override_fail
	166	test_getcpu_override
	167	)
	168
	169	TEST_COUNT=${#TESTS[@]}
	170	i=0
	171
	172	start_lttng_sessiond
	173
	174	for fct_test in ${TESTS[@]};
	175	do
	176	TRACE_PATH=$(mktemp -d)
	177
	178	${fct_test}
	179	if [ $? -ne 0 ]; then
	180	break;
	181	fi
	182
	183	rm -rf $TRACE_PATH
	184	done
	185
	186	stop_lttng_sessiond