| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2014 Jonathan Rajotte <jonathan.r.julien@gmail.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Machine interface testing" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../../ |
| 11 | XSD_PATH=$TESTDIR/../src/common/mi-lttng-4.0.xsd |
| 12 | |
| 13 | #Test app for ust event |
| 14 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 15 | TESTAPP_NAME="gen-ust-events" |
| 16 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 17 | NR_USEC_WAIT=0 |
| 18 | NR_ITER=10000 |
| 19 | |
| 20 | #Temp file output |
| 21 | OUTPUT_DIR=$(mktemp -d) |
| 22 | SESSIOND_LOAD_DIR=$(mktemp -d) |
| 23 | OUTPUT_FILE="default.xml" |
| 24 | |
| 25 | #Path to custom xml utilities |
| 26 | XML_VALIDATE="$CURDIR/validate_xml $XSD_PATH" |
| 27 | XML_EXTRACT="$CURDIR/extract_xml" |
| 28 | XML_NODE_CHECK="$CURDIR/extract_xml -e" |
| 29 | |
| 30 | XPATH_CMD_OUTPUT="//lttng:command/lttng:output" |
| 31 | XPATH_COMMAND_SUCCESS="/lttng:command/lttng:success/text()" |
| 32 | XPATH_SESSION="$XPATH_CMD_OUTPUT/lttng:sessions/lttng:session" |
| 33 | XPATH_ENABLE_CHANNEL_NAME="$XPATH_CMD_OUTPUT/lttng:channels/lttng:channel/lttng:name/text()" |
| 34 | XPATH_ENABLE_EVENT_SUCCESS="$XPATH_CMD_OUTPUT/lttng:events/lttng:event/lttng:success/text()" |
| 35 | XPATH_DISABLE_EVENT_SUCCESS="$XPATH_CMD_OUTPUT/lttng:channel/lttng:events/lttng:event/lttng:success/text()" |
| 36 | XPATH_LIST_DOMAIN="$XPATH_CMD_OUTPUT/lttng:sessions/lttng:session/lttng:domains/lttng:domain" |
| 37 | XPATH_LIST_CHANNEL="$XPATH_CMD_OUTPUT/lttng:sessions/lttng:session/lttng:domains/lttng:domain/lttng:channels/lttng:channel" |
| 38 | XPATH_LIST_UST_EVENT="$XPATH_CMD_OUTPUT/lttng:domains/lttng:domain[./lttng:type ='UST']/lttng:pids/lttng:pid/lttng:events/lttng:event" |
| 39 | XPATH_SNAPSHOT_ADD_SNAPSHOT="$XPATH_CMD_OUTPUT/lttng:snapshot_action[./lttng:name = 'add-output']/lttng:output" |
| 40 | XPATH_SNAPSHOT_LIST="$XPATH_CMD_OUTPUT/lttng:snapshot_action[./lttng:name = 'list-output']/lttng:output" |
| 41 | XPATH_SNAPSHOT_DEL="$XPATH_CMD_OUTPUT/lttng:snapshot_action[./lttng:name = 'del-output']/lttng:output" |
| 42 | XPATH_TRACK_UNTRACK_VPID="$XPATH_CMD_OUTPUT/lttng:trackers/lttng:vpid_tracker/lttng:targets/lttng:vpid_target/lttng:type" |
| 43 | XPATH_VPID_TRACKER="$XPATH_CMD_OUTPUT/lttng:sessions/lttng:session/lttng:domains/lttng:domain/lttng:trackers/lttng:vpid_tracker" |
| 44 | |
| 45 | DEVNULL=/dev/null 2>&1 |
| 46 | |
| 47 | DIR=$(readlink -f $TESTDIR) |
| 48 | |
| 49 | NUM_TESTS=246 |
| 50 | |
| 51 | source $TESTDIR/utils/utils.sh |
| 52 | |
| 53 | #Overwrite the lttng_bin to get mi output |
| 54 | LTTNG_BIN="lttng --mi xml" |
| 55 | |
| 56 | #Global declaration for simplification |
| 57 | LTTNG=$TESTDIR/../src/bin/lttng/$LTTNG_BIN |
| 58 | |
| 59 | #Overwrite the default output for utils.sh command |
| 60 | |
| 61 | #MUST set TESTDIR before calling those functions |
| 62 | plan_tests $NUM_TESTS |
| 63 | |
| 64 | print_test_banner "$TEST_DESC" |
| 65 | |
| 66 | function extract_xml () |
| 67 | { |
| 68 | local xml=$1 |
| 69 | local xpath=$2 |
| 70 | local __result=$3 |
| 71 | local output |
| 72 | output=$($XML_EXTRACT $xml "$xpath") |
| 73 | ok $? "Extraction of xpath $xpath" |
| 74 | eval $__result="'$output'" |
| 75 | } |
| 76 | |
| 77 | function node_check_xml () |
| 78 | { |
| 79 | local xml=$1 |
| 80 | local xpath=$2 |
| 81 | local __result=$3 |
| 82 | local output |
| 83 | output=$($XML_NODE_CHECK $xml "$xpath") |
| 84 | ok $? "Check of node existence with xpath $xpath" |
| 85 | eval $__result="'$output'" |
| 86 | } |
| 87 | |
| 88 | # Arg1 is path to xml file |
| 89 | # Arg2: |
| 90 | # is true if we expected the success element to be false |
| 91 | # else |
| 92 | # passe false |
| 93 | |
| 94 | function is_command_success () |
| 95 | { |
| 96 | local xml=$1 |
| 97 | local expect_false=$2 |
| 98 | |
| 99 | local xpath=$XPATH_COMMAND_SUCCESS |
| 100 | |
| 101 | echo $xml |
| 102 | #Extract the success element |
| 103 | #expect false |
| 104 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 105 | if [[ $expect_false = "true" ]]; then |
| 106 | if [[ $result ]]; then |
| 107 | pass "Mi test: $xml command failed as expected" |
| 108 | else |
| 109 | fail "Mi test: $xml command did not fail as expected" |
| 110 | fi |
| 111 | else |
| 112 | if [[ $result ]]; then |
| 113 | pass "Mi test: $xml command success" |
| 114 | else |
| 115 | fail "Mi test: $xml command failed" |
| 116 | fi |
| 117 | fi |
| 118 | } |
| 119 | |
| 120 | function mi_print_version () |
| 121 | { |
| 122 | local output_path=$1 |
| 123 | local opt=$2 |
| 124 | |
| 125 | $LTTNG version $opt > $output_path |
| 126 | ok $? "MI test: Lttng version" |
| 127 | |
| 128 | } |
| 129 | |
| 130 | function test_version () |
| 131 | { |
| 132 | OUTPUT_FILE="version.xml" |
| 133 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 134 | mi_print_version $OUTPUT_DEST |
| 135 | $XML_VALIDATE $OUTPUT_DEST |
| 136 | ok $? "MI test: Version xsd validation" |
| 137 | } |
| 138 | |
| 139 | function test_create_session () |
| 140 | { |
| 141 | local session_name="testSession" |
| 142 | |
| 143 | OUTPUT_FILE="create_session.xml" |
| 144 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 145 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 146 | $XML_VALIDATE $OUTPUT_DEST |
| 147 | ok $? "MI test: create session xsd validation" |
| 148 | |
| 149 | #try to recreate a session. Expecting it to fail |
| 150 | create_lttng_session_fail $session_name $OUTPUT_DIR |
| 151 | $XML_VALIDATE $OUTPUT_DEST |
| 152 | ok $? "MI test: expecting fail create session xsd validation" |
| 153 | is_command_success $OUTPUT_DEST true |
| 154 | |
| 155 | OUTPUT_DEST=$DEVNULL |
| 156 | destroy_lttng_session_ok $session_name |
| 157 | } |
| 158 | |
| 159 | function test_destroy_session () |
| 160 | { |
| 161 | local session_name=( |
| 162 | "testSession1" |
| 163 | "testSession2" |
| 164 | "testSession3") |
| 165 | |
| 166 | OUTPUT_FILE="destroy_session.xml" |
| 167 | |
| 168 | #Test build up |
| 169 | OUTPUT_DEST=$DEVNULL |
| 170 | for (( i = 0; i < 3; i++ )); do |
| 171 | create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR |
| 172 | done |
| 173 | |
| 174 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 175 | destroy_lttng_session_ok ${session_name[0]} |
| 176 | $XML_VALIDATE $OUTPUT_DEST |
| 177 | ok $? "MI test: destroy session ${session_name[0]} xsd validation" |
| 178 | |
| 179 | #Verify that we destroyed the good session |
| 180 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 181 | test "$result" = "${session_name[0]}" |
| 182 | ok $? "Mi test: deleted session: $result expected: ${session_name[0]}" |
| 183 | |
| 184 | #Destroy all and count:should be 2 |
| 185 | destroy_lttng_sessions |
| 186 | $XML_VALIDATE $OUTPUT_DEST |
| 187 | ok $? "MI test: destroy all session xsd validation" |
| 188 | |
| 189 | #Verify that we destroyed 2 sessions |
| 190 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 191 | num=$(echo "$result" | wc -l) |
| 192 | test "$num" -eq "2" |
| 193 | ok $? "Mi test: $num / 2 sessions discovered" |
| 194 | |
| 195 | #Verify that if no session is present command fail and mi report it. |
| 196 | destroy_lttng_session_fail ${session_name[0]} |
| 197 | $XML_VALIDATE $OUTPUT_DEST |
| 198 | ok $? "MI test: failing destroy session ${session_name[0]} xsd validation" |
| 199 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 200 | test "$result" = "false" |
| 201 | ok $? "Mi test: destroy command on ${session_name[0]} failed as expected" |
| 202 | |
| 203 | } |
| 204 | |
| 205 | function test_list_sessions () |
| 206 | { |
| 207 | local session_name=( |
| 208 | "testSession1" |
| 209 | "testSession2" |
| 210 | "testSession3") |
| 211 | |
| 212 | OUTPUT_FILE="list_sessions.xml" |
| 213 | |
| 214 | #Test buid up |
| 215 | OUTPUT_DEST=$DEVNULL |
| 216 | for (( i = 0; i < 3; i++ )); do |
| 217 | create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR |
| 218 | done |
| 219 | |
| 220 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 221 | list_lttng_with_opts |
| 222 | $XML_VALIDATE $OUTPUT_DEST |
| 223 | ok $? "Mi test: list sessions xsd validation" |
| 224 | |
| 225 | #We should have 3 session |
| 226 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 227 | num=$(echo "$result" | wc -l) |
| 228 | test "$num" -eq "3" |
| 229 | ok $? "Mi test: $num / 3 sessions discovered" |
| 230 | |
| 231 | #Teardown |
| 232 | OUTPUT_DEST=$DEVNULL |
| 233 | destroy_lttng_sessions |
| 234 | } |
| 235 | |
| 236 | function test_list_session_long_path () |
| 237 | { |
| 238 | local session_name="session_long_path" |
| 239 | |
| 240 | output_basedir=$OUTPUT_DIR/$(randstring 254 0) |
| 241 | mkdir -p ${output_basedir} |
| 242 | |
| 243 | OUTPUT_FILE="list_sessions.xml" |
| 244 | |
| 245 | #Test build up |
| 246 | OUTPUT_DEST=$DEVNULL |
| 247 | create_lttng_session_ok $session_name ${output_basedir} |
| 248 | |
| 249 | OUTPUT_DEST=${output_basedir}/$OUTPUT_FILE |
| 250 | list_lttng_with_opts |
| 251 | $XML_VALIDATE $OUTPUT_DEST |
| 252 | ok $? "Mi test: list session with long path xsd validation" |
| 253 | |
| 254 | #Teardown |
| 255 | OUTPUT_DEST=$DEVNULL |
| 256 | destroy_lttng_sessions |
| 257 | } |
| 258 | function test_ust_channel () |
| 259 | { |
| 260 | local session_name="testsession" |
| 261 | local channel_name=("channelUst0" |
| 262 | "channelUst1" |
| 263 | "channelUst2") |
| 264 | |
| 265 | OUTPUT_FILE="ust_channel.xml" |
| 266 | |
| 267 | #Test buil up |
| 268 | OUTPUT_DEST=$DEVNULL |
| 269 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 270 | |
| 271 | #Test the enable_channel command |
| 272 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 273 | enable_ust_lttng_channel_ok $session_name ${channel_name[0]} |
| 274 | $XML_VALIDATE $OUTPUT_DEST |
| 275 | ok $? "Mi test: enable ust channel xsd validation" |
| 276 | is_command_success $OUTPUT_DEST false |
| 277 | |
| 278 | #Expect the command to fail |
| 279 | enable_ust_lttng_channel_fail $session_name ${channel_name[0]} |
| 280 | $XML_VALIDATE $OUTPUT_DEST |
| 281 | ok $? "Mi test: fail enable ust channel xsd validation" |
| 282 | is_command_success $OUTPUT_DEST true |
| 283 | |
| 284 | #Create two ust channel to test multiple disable |
| 285 | for (( i = 1; i < 3; i++ )); do |
| 286 | enable_ust_lttng_channel_ok $session_name ${channel_name[$i]} |
| 287 | done |
| 288 | |
| 289 | #Test the disable_channel command |
| 290 | disable_ust_lttng_channel $session_name ${channel_name[0]} |
| 291 | $XML_VALIDATE $OUTPUT_DEST |
| 292 | ok $? "Mi test: disable ust channel xsd validation" |
| 293 | is_command_success $OUTPUT_DEST false |
| 294 | #Check that we delete the good channel |
| 295 | extract_xml $OUTPUT_DEST $XPATH_ENABLE_CHANNEL_NAME result |
| 296 | test "$result" = "${channel_name[0]}" |
| 297 | ok $? "MI test: ${channel_name[0]} disabled" |
| 298 | |
| 299 | #Test multiple disable_channel; |
| 300 | disable_ust_lttng_channel $session_name ${channel_name[1]},${channel_name[2]} |
| 301 | $XML_VALIDATE $OUTPUT_DEST |
| 302 | ok $? "Mi test: multiple disable ust channel xsd validation" |
| 303 | is_command_success $OUTPUT_DEST false |
| 304 | |
| 305 | #Make sure we have two disabled channel |
| 306 | extract_xml $OUTPUT_DEST $XPATH_ENABLE_CHANNEL_NAME result |
| 307 | local num=$(echo "$result" | wc -l) |
| 308 | test "$num" = "2" |
| 309 | ok $? "Mi test: disabled ust channel $num/2" |
| 310 | |
| 311 | #Teardown |
| 312 | OUTPUT_DEST=$DEVNULL |
| 313 | destroy_lttng_sessions |
| 314 | |
| 315 | } |
| 316 | |
| 317 | function test_ust_lttng_event () |
| 318 | { |
| 319 | local session_name="testSession" |
| 320 | local channel_name="testChannel" |
| 321 | local event=("ev1" "ev2" "ev3") |
| 322 | |
| 323 | OUTPUT_FILE="ust_event.xml" |
| 324 | |
| 325 | #Test build up |
| 326 | OUTPUT_DEST=$DEVNULL |
| 327 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 328 | enable_ust_lttng_channel_ok $session_name $channel_name |
| 329 | |
| 330 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 331 | #Test the enable event for ust domain |
| 332 | enable_ust_lttng_event_ok $session_name ${event[0]} $channel_name |
| 333 | $XML_VALIDATE $OUTPUT_DEST |
| 334 | ok $? "Mi test: Enable_event for ust domain xsd validation" |
| 335 | is_command_success $OUTPUT_DEST false |
| 336 | |
| 337 | #Try to reenable an enabled event. Should fail |
| 338 | enable_ust_lttng_event_fail $session_name ${event[0]} $channel_name |
| 339 | $XML_VALIDATE $OUTPUT_DEST |
| 340 | ok $? "Mi test: Fail enable_event for ust domain xsd validation" |
| 341 | is_command_success $OUTPUT_DEST true |
| 342 | |
| 343 | #Enable multiple event including the last one command will fail |
| 344 | #But 2 events should success |
| 345 | |
| 346 | #Nice little hack, create a string ev,ev,ev |
| 347 | #IFS stand for Internal field separator |
| 348 | #Event[*] print all the element inside the array with the IFS in between |
| 349 | concat_event=$( IFS=$','; echo "${event[*]}" ) |
| 350 | |
| 351 | enable_ust_lttng_event_fail $session_name $concat_event $channel_name |
| 352 | $XML_VALIDATE $OUTPUT_DEST |
| 353 | ok $? "Mi test: Multiple enable ust event with inside fail xsd validation" |
| 354 | |
| 355 | #Check for 2 success = true and 1 success = false |
| 356 | extract_xml $OUTPUT_DEST $XPATH_ENABLE_EVENT_SUCCESS result |
| 357 | num_ocur=$(grep -o "true" <<< "$result" | wc -l) |
| 358 | test "$num_ocur" -eq "2" |
| 359 | ok $? "Mi test: Enabled event on failing enable command $num_ocur_true/2" |
| 360 | |
| 361 | extract_xml $OUTPUT_DEST $XPATH_ENABLE_EVENT_SUCCESS result |
| 362 | num_ocur=$(grep -o "false" <<< "$result" | wc -l) |
| 363 | test "$num_ocur" -eq "1" |
| 364 | ok $? "Mi test: Enabled event on failing enable command $num_ocur_true/2" |
| 365 | |
| 366 | #Disable the event |
| 367 | disable_ust_lttng_event $session_name ${event[0]} $channel_name |
| 368 | $XML_VALIDATE $OUTPUT_DEST |
| 369 | ok $? "Mi test: Disable ust event xsd validation" |
| 370 | is_command_success $OUTPUT_DEST false |
| 371 | |
| 372 | #Disable the 3 event combined. Should pass |
| 373 | disable_ust_lttng_event $session_name $concat_event $channel_name |
| 374 | $XML_VALIDATE $OUTPUT_DEST |
| 375 | ok $? "Mi test: Disable multiple ust event xsd validation" |
| 376 | is_command_success $OUTPUT_DEST false |
| 377 | |
| 378 | #Make sure we have 3 inner success |
| 379 | extract_xml $OUTPUT_DEST $XPATH_DISABLE_EVENT_SUCCESS result |
| 380 | num_ocur=$(grep -o "true" <<< "$result" | wc -l) |
| 381 | test "$num_ocur" -eq "3" |
| 382 | ok $? "Mi test: Disable multiple ust event success $num_ocur/3" |
| 383 | |
| 384 | #Teardown |
| 385 | OUTPUT_DEST=$DEVNULL |
| 386 | destroy_lttng_sessions |
| 387 | } |
| 388 | |
| 389 | function test_list_channel () |
| 390 | { |
| 391 | local session_name="testSession" |
| 392 | local channel_name="testChannel" |
| 393 | local event=("ev1" "ev2" "ev3") |
| 394 | |
| 395 | OUTPUT_FILE="list_channel.xml" |
| 396 | |
| 397 | #Test buid up |
| 398 | OUTPUT_DEST=$DEVNULL |
| 399 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 400 | enable_ust_lttng_channel_ok $session_name $channel_name |
| 401 | |
| 402 | #Enable ust and jul events |
| 403 | concat_event=$( IFS=$','; echo "${event[*]}" ) |
| 404 | enable_ust_lttng_event_ok $session_name $concat_event $channel_name |
| 405 | |
| 406 | #Begin testing |
| 407 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 408 | list_lttng_with_opts "$session_name -c $channel_name" |
| 409 | $XML_VALIDATE $OUTPUT_DEST |
| 410 | ok $? "Mi test: list channel xsd validation" |
| 411 | |
| 412 | #Expect 1 domain: UST |
| 413 | extract_xml $OUTPUT_DEST $XPATH_LIST_DOMAIN"/lttng:type/text()" result |
| 414 | num=$(echo "$result" | wc -l) |
| 415 | test "$num" -eq "1" |
| 416 | ok $? "Mi test: $num / 1 domains discovered" |
| 417 | |
| 418 | #Expect 1 channel: test |
| 419 | extract_xml $OUTPUT_DEST $XPATH_LIST_CHANNEL"/lttng:name/text()" result |
| 420 | num=$(echo "$result" | wc -l) |
| 421 | test "$num" -eq "1" |
| 422 | ok $? "Mi test: $num / 1 channel discovered" |
| 423 | |
| 424 | test "$result" = "$channel_name" |
| 425 | ok $? "Mi test: expected channel: $channel_name found: $result" |
| 426 | |
| 427 | #Add a channel and make sure we have 2 channel now |
| 428 | OUTPUT_DEST=$DEVNULL |
| 429 | enable_ust_lttng_channel_ok $session_name $channel_name"a" |
| 430 | |
| 431 | #Teardown |
| 432 | OUTPUT_DEST=$DEVNULL |
| 433 | destroy_lttng_sessions |
| 434 | } |
| 435 | |
| 436 | function test_list_domain () |
| 437 | { |
| 438 | local session_name="testSession" |
| 439 | local channel_name="testChannel" |
| 440 | local event=("ev1" "ev2" "ev3") |
| 441 | |
| 442 | OUTPUT_FILE="list_domain.xml" |
| 443 | |
| 444 | #Test buid up |
| 445 | OUTPUT_DEST=$DEVNULL |
| 446 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 447 | enable_ust_lttng_channel_ok $session_name $channel_name |
| 448 | |
| 449 | #Enable ust and jul events |
| 450 | concat_event=$( IFS=$','; echo "${event[*]}" ) |
| 451 | enable_ust_lttng_event_ok $session_name $concat_event $channel_name |
| 452 | enable_jul_lttng_event $session_name $concat_event $channel_name |
| 453 | |
| 454 | #Begin testing |
| 455 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 456 | list_lttng_with_opts "$session_name -d" |
| 457 | $XML_VALIDATE $OUTPUT_DEST |
| 458 | ok $? "Mi test: list domain xsd validation" |
| 459 | |
| 460 | #Expect 2 domain: Jul and UST |
| 461 | extract_xml $OUTPUT_DEST $XPATH_LIST_DOMAIN"/lttng:type/text()" result |
| 462 | num=$(echo "$result" | wc -l) |
| 463 | test "$num" -eq "2" |
| 464 | ok $? "Mi test: $num / 2 domains discovered" |
| 465 | |
| 466 | #Test for valid value |
| 467 | if [[ "$result" = *"JUL"* ]]; then |
| 468 | pass "Mi test: domains Jul is present" |
| 469 | else |
| 470 | fail "Mi test: domains Jul is absent" |
| 471 | fi |
| 472 | |
| 473 | if [[ "$result" = *"UST"* ]]; then |
| 474 | pass "Mi test: domains UST is present" |
| 475 | else |
| 476 | fail "Mi test: domains UST is absent" |
| 477 | fi |
| 478 | |
| 479 | #Teardown |
| 480 | OUTPUT_DEST=$DEVNULL |
| 481 | destroy_lttng_sessions |
| 482 | } |
| 483 | |
| 484 | function test_list_session () |
| 485 | { |
| 486 | local session_name="testSession" |
| 487 | local channel_name="testChannel" |
| 488 | local event=("ev1" "ev2" "ev3") |
| 489 | |
| 490 | OUTPUT_FILE="list_session.xml" |
| 491 | |
| 492 | #Test buid up |
| 493 | OUTPUT_DEST=$DEVNULL |
| 494 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 495 | enable_ust_lttng_channel_ok $session_name $channel_name |
| 496 | |
| 497 | #Enable ust and jul events |
| 498 | concat_event=$( IFS=$','; echo "${event[*]}" ) |
| 499 | enable_ust_lttng_event_ok $session_name $concat_event $channel_name |
| 500 | enable_jul_lttng_event $session_name $concat_event $channel_name |
| 501 | |
| 502 | #Begin testing |
| 503 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 504 | list_lttng_with_opts $session_name |
| 505 | $XML_VALIDATE $OUTPUT_DEST |
| 506 | ok $? "Mi test: list session xsd validation" |
| 507 | |
| 508 | #Expect 2 domain: Jul and UST |
| 509 | extract_xml $OUTPUT_DEST $XPATH_LIST_DOMAIN"/lttng:type/text()" result |
| 510 | num=$(echo "$result" | wc -l) |
| 511 | test "$num" -eq "2" |
| 512 | ok $? "Mi test: $num / 2 domains discovered" |
| 513 | |
| 514 | #Expect 2 channel: test and lttng_jul_event |
| 515 | extract_xml $OUTPUT_DEST $XPATH_LIST_CHANNEL"/lttng:name/text()" result |
| 516 | num=$(echo "$result" | wc -l) |
| 517 | test "$num" -eq "2" |
| 518 | ok $? "Mi test: $num / 2 channel discovered" |
| 519 | |
| 520 | #Teardown |
| 521 | OUTPUT_DEST=$DEVNULL |
| 522 | destroy_lttng_sessions |
| 523 | } |
| 524 | |
| 525 | function test_list_ust_event () |
| 526 | { |
| 527 | local file_sync_after_first=$(mktemp -u) |
| 528 | local file_sync_before_last=$(mktemp -u) |
| 529 | |
| 530 | OUTPUT_FILE="list_ust_event.xml" |
| 531 | |
| 532 | #Test buid up |
| 533 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 534 | |
| 535 | #Begin testing |
| 536 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 537 | --sync-after-first-event ${file_sync_after_first} \ |
| 538 | --sync-before-last-event ${file_sync_before_last} & 2>/dev/null |
| 539 | |
| 540 | while [ ! -f "${file_sync_after_first}" ]; do |
| 541 | sleep 0.5 |
| 542 | done |
| 543 | |
| 544 | list_lttng_with_opts "-u -f" |
| 545 | |
| 546 | touch ${file_sync_before_last} |
| 547 | |
| 548 | $XML_VALIDATE $OUTPUT_DEST |
| 549 | ok $? "Mi test: list ust event xsd validation" |
| 550 | |
| 551 | #Extract events |
| 552 | extract_xml $OUTPUT_DEST "$XPATH_LIST_UST_EVENT""/lttng:name/text()" result |
| 553 | num=$(echo "$result" | wc -l) |
| 554 | |
| 555 | #Since the number of events is prone to change we only look for >= from a |
| 556 | #base number. An alternative would be to look for each events but this |
| 557 | #is complicated for nothing. |
| 558 | test "$num" -ge "5" |
| 559 | ok $? "Mi test: $num / 5 ust events discovered" |
| 560 | |
| 561 | #Extract field from tp:tptest event. Expect >= to 12 because number of |
| 562 | #field is prone to change. |
| 563 | extract_xml $OUTPUT_DEST "$XPATH_LIST_UST_EVENT""[./lttng:name = 'tp:tptest']/lttng:event_fields/lttng:event_field/lttng:name/text()" result |
| 564 | num=$(echo "$result" | wc -l) |
| 565 | test "$num" -ge "12" |
| 566 | ok $? "Mi test: $num / 12 ust event fields discovered" |
| 567 | |
| 568 | #Wait for all background processes |
| 569 | wait |
| 570 | |
| 571 | rm -f ${file_sync_after_first} |
| 572 | rm -f ${file_sync_before_last} |
| 573 | } |
| 574 | |
| 575 | function test_start_stop () { |
| 576 | local session_name="testStartStopSession" |
| 577 | local channel_name="startStopChannel" |
| 578 | |
| 579 | OUTPUT_FILE="list_start_stop.xml" |
| 580 | |
| 581 | #Test buid up |
| 582 | OUTPUT_DEST=$DEVNULL |
| 583 | create_lttng_session_ok $session_name $OUTPUT_DIR |
| 584 | |
| 585 | #Test fail command |
| 586 | #No channel enable start command should return element success false |
| 587 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 588 | start_lttng_tracing_fail $session_name |
| 589 | $XML_VALIDATE $OUTPUT_DEST |
| 590 | ok $? "Mi test: failed start xsd validation" |
| 591 | |
| 592 | #Expect a false element |
| 593 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 594 | test "$result" = "false" |
| 595 | ok $? "Mi test: mi report failure on start command as expected" |
| 596 | |
| 597 | #Enable a channel to test success |
| 598 | OUTPUT_DEST=$DEVNULL |
| 599 | enable_ust_lttng_channel_ok $session_name $channel_name |
| 600 | |
| 601 | #Start tracing |
| 602 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 603 | start_lttng_tracing_ok $session_name |
| 604 | $XML_VALIDATE $OUTPUT_DEST |
| 605 | ok $? "Mi test: start xsd validation" |
| 606 | |
| 607 | #Expect a true element |
| 608 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 609 | test "$result" = "true" |
| 610 | ok $? "Mi test: mi report success on start command as expected" |
| 611 | |
| 612 | #Extract session name from xml |
| 613 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 614 | test "$result" = "$session_name" |
| 615 | ok $? "Mi test: started $session_name" |
| 616 | |
| 617 | #Extract enabled expect true |
| 618 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:enabled/text()" result |
| 619 | test "$result" = "true" |
| 620 | ok $? "Mi test: enabled element : $result expected: true" |
| 621 | |
| 622 | #Test metadata regenerate command |
| 623 | regenerate_metadata_ok $session_name |
| 624 | $XML_VALIDATE $OUTPUT_DEST |
| 625 | ok $? "Mi test: regenerate metadata" |
| 626 | |
| 627 | #Test stop command |
| 628 | stop_lttng_tracing_ok $session_name |
| 629 | $XML_VALIDATE $OUTPUT_DEST |
| 630 | ok $? "Mi test: stop xsd validation" |
| 631 | |
| 632 | #Extract session name from xml |
| 633 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 634 | test "$result" = "$session_name" |
| 635 | ok $? "Mi test: stopped $session_name" |
| 636 | |
| 637 | #Extract enabled expect false |
| 638 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:enabled/text()" result |
| 639 | test "$result" = "false" |
| 640 | ok $? "Mi test: enabled element : $result expected: false" |
| 641 | |
| 642 | #Test failing stop command |
| 643 | stop_lttng_tracing_fail $session_name |
| 644 | $XML_VALIDATE $OUTPUT_DEST |
| 645 | ok $? "Mi test: failed stop xsd validation" |
| 646 | |
| 647 | #Expect a false element |
| 648 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 649 | test "$result" = "false" |
| 650 | ok $? "Mi test: mi report failure on start command as expected" |
| 651 | |
| 652 | #Teardown |
| 653 | OUTPUT_DEST=$DEVNULL |
| 654 | destroy_lttng_sessions |
| 655 | } |
| 656 | |
| 657 | function test_snapshot () { |
| 658 | local session_name="testSnapshotAdd" |
| 659 | local snapshot_path="$OUTPUT_DIR/snapshotoutput" |
| 660 | OUTPUT_FILE="snapshot.xml" |
| 661 | |
| 662 | |
| 663 | #Test buid up |
| 664 | OUTPUT_DEST=$DEVNULL |
| 665 | create_lttng_session_no_output $session_name |
| 666 | |
| 667 | #Test fail command |
| 668 | #No channel enable start command should return element success false |
| 669 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 670 | lttng_snapshot_add_output_ok $session_name file://$snapshot_path |
| 671 | $XML_VALIDATE $OUTPUT_DEST |
| 672 | ok $? "Mi test: snapshot xsd validation" |
| 673 | |
| 674 | #Expect a true element |
| 675 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 676 | test "$result" = "true" |
| 677 | ok $? "Mi test: add snapshot is a success" |
| 678 | |
| 679 | #Get data |
| 680 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_ADD_SNAPSHOT""/lttng:snapshot/lttng:session_name/text()" result |
| 681 | test "$result" = "$session_name" |
| 682 | ok $? "Mi test: added snapshot for: $result expected $session_name" |
| 683 | |
| 684 | #Get name of generated output and id |
| 685 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_ADD_SNAPSHOT""/lttng:snapshot/lttng:name/text()" snapshot_name |
| 686 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_ADD_SNAPSHOT""/lttng:snapshot/lttng:id/text()" snapshot_id |
| 687 | |
| 688 | #Test list output |
| 689 | lttng_snapshot_list $session_name |
| 690 | $XML_VALIDATE $OUTPUT_DEST |
| 691 | ok $? "Mi test: snapshot list xsd validation" |
| 692 | |
| 693 | #Expect a true element |
| 694 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 695 | test "$result" = "true" |
| 696 | ok $? "Mi test: add snapshot is a success" |
| 697 | |
| 698 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_LIST""/lttng:session[./lttng:name ='$session_name']/lttng:snapshots/lttng:snapshot/lttng:name/text()" result |
| 699 | test "$result" = "$snapshot_name" |
| 700 | ok $? "Mi test: snapshot list extracted snapshot: $result expected: $snapshot_name" |
| 701 | |
| 702 | #Test del output |
| 703 | lttng_snapshot_del_output_ok $session_name $snapshot_id |
| 704 | $XML_VALIDATE $OUTPUT_DEST |
| 705 | ok $? "Mi test: snapshot delete xsd validation" |
| 706 | |
| 707 | #Success ? |
| 708 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 709 | test "$result" = "true" |
| 710 | ok $? "Mi test: del snapshot is a success" |
| 711 | |
| 712 | #Test data |
| 713 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_DEL""/lttng:snapshot/lttng:id/text()" result |
| 714 | test "$result" = "$snapshot_id" |
| 715 | ok $? "Mi test: snapshot del extracted snapshot id: $result expected: $snapshot_id" |
| 716 | |
| 717 | extract_xml $OUTPUT_DEST "$XPATH_SNAPSHOT_DEL""/lttng:snapshot/lttng:session_name/text()" result |
| 718 | test "$result" = "$session_name" |
| 719 | ok $? "Mi test: snapshot del extracted snapshot id: $result expected: $session_name" |
| 720 | |
| 721 | #Test fail on delete command |
| 722 | lttng_snapshot_del_output_fail $session_name $snapshot_id |
| 723 | $XML_VALIDATE $OUTPUT_DEST |
| 724 | ok $? "Mi test: snapshot delete xsd validation" |
| 725 | |
| 726 | #Success ? |
| 727 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 728 | test "$result" = "false" |
| 729 | ok $? "Mi test: del snapshot is a success" |
| 730 | |
| 731 | OUTPUT_DEST=$DEVNULL |
| 732 | destroy_lttng_sessions |
| 733 | } |
| 734 | |
| 735 | function test_track_untrack () |
| 736 | { |
| 737 | diag "Test track/untrack pid" |
| 738 | |
| 739 | local session_name="testTrack" |
| 740 | local pid="1,2,3" |
| 741 | OUTPUT_FILE="track.xml" |
| 742 | |
| 743 | #Test buid up |
| 744 | OUTPUT_DEST=$DEVNULL |
| 745 | create_lttng_session_no_output $session_name |
| 746 | |
| 747 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 748 | lttng_track_ok "-p $pid -u" |
| 749 | $XML_VALIDATE $OUTPUT_DEST |
| 750 | ok $? "Mi test: track pid xsd validation" |
| 751 | |
| 752 | #Expect a true element |
| 753 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 754 | test "$result" = "true" |
| 755 | ok $? "Mi test: track pid is a success" |
| 756 | |
| 757 | #Verify that there is 3 process |
| 758 | extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_VPID"/lttng:id" result |
| 759 | num=$(echo "$result" | wc -l) |
| 760 | test "$num" -eq "3" |
| 761 | ok $? "Mi test: track pid expecting 3 processes got $num" |
| 762 | |
| 763 | #Test the pid_tracker listing |
| 764 | list_lttng_with_opts $session_name |
| 765 | $XML_VALIDATE $OUTPUT_DEST |
| 766 | ok $? "Mi test: session list with pid_tracker validate" |
| 767 | |
| 768 | #Check the good count |
| 769 | extract_xml $OUTPUT_DEST $XPATH_VPID_TRACKER"/lttng:targets/lttng:vpid_target/lttng:type/lttng:id" result |
| 770 | num=$(echo "$result" | wc -l) |
| 771 | test "$num" -eq "3" |
| 772 | ok $? "Mi test: tracker pid listing expecting 3 target got $num" |
| 773 | |
| 774 | #Untrack pid 2,3 |
| 775 | lttng_untrack_ok "-p 2,3 -u" |
| 776 | $XML_VALIDATE $OUTPUT_DEST |
| 777 | ok $? "Mi test: untrack pid xsd validation" |
| 778 | |
| 779 | #Expect a true element |
| 780 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 781 | test "$result" = "true" |
| 782 | ok $? "Mi test: untrack pid is a success" |
| 783 | |
| 784 | #Verify that there is 2 untracked pids |
| 785 | extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_VPID"/lttng:id" result |
| 786 | num=$(echo "$result" | wc -l) |
| 787 | test "$num" -eq "2" |
| 788 | ok $? "Mi test: untrack pid expecting 2 process got $num" |
| 789 | |
| 790 | #Check pid_tracker listing |
| 791 | list_lttng_with_opts $session_name |
| 792 | $XML_VALIDATE $OUTPUT_DEST |
| 793 | ok $? "Mi test: session list with pid_tracker validate" |
| 794 | |
| 795 | #Check the good count |
| 796 | extract_xml $OUTPUT_DEST $XPATH_VPID_TRACKER"/lttng:targets/lttng:vpid_target/lttng:type/lttng:pid" result |
| 797 | num=$(echo "$result" | wc -l) |
| 798 | test "$num" -eq "1" |
| 799 | ok $? "Mi test: tracker pid listing expecting 1 process got $num" |
| 800 | |
| 801 | #Untrack all |
| 802 | lttng_untrack_ok "-p -u -a" |
| 803 | $XML_VALIDATE $OUTPUT_DEST |
| 804 | ok $? "Mi test: untrack pid xsd validation" |
| 805 | |
| 806 | #Expect a true element |
| 807 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 808 | test "$result" = "true" |
| 809 | ok $? "Mi test: untrack all pid is a success" |
| 810 | |
| 811 | #Verify that there is 1 untracked pid |
| 812 | extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_VPID"/lttng:all" result |
| 813 | num=$(echo "$result" | wc -l) |
| 814 | test "$num" -eq "1" |
| 815 | ok $? "Mi test: untrack pid expecting 1 process got $num" |
| 816 | |
| 817 | #Test if type "all" is "true" which represent the all argument |
| 818 | test "$result" = "true" |
| 819 | ok $? "Mi test: pid expected is true got $result" |
| 820 | |
| 821 | #Test if pid_tracker is enabled as definied by pid_tracker |
| 822 | #behavior. If all pid are untrack than the pid_tracker is still |
| 823 | #enabled (pid_tracker node is present). |
| 824 | list_lttng_with_opts $session_name |
| 825 | $XML_VALIDATE $OUTPUT_DEST |
| 826 | ok $? "Mi test: session list with pid_tracker validate" |
| 827 | |
| 828 | #Check the good count |
| 829 | extract_xml $OUTPUT_DEST $XPATH_VPID_TRACKER"/lttng:targets/lttng:vpid_target/lttng:type/lttng:pid" result |
| 830 | num=$(echo -n "$result" | wc -l) |
| 831 | test "$num" -eq "0" |
| 832 | ok $? "Mi test: tracker pid listing expecting 0 process got $num" |
| 833 | |
| 834 | #Test track all |
| 835 | lttng_track_ok "-p -u -a" |
| 836 | $XML_VALIDATE $OUTPUT_DEST |
| 837 | ok $? "Mi test: track pid xsd validation" |
| 838 | |
| 839 | #Expect a true element |
| 840 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 841 | test "$result" = "true" |
| 842 | ok $? "Mi test: track all pid is a success" |
| 843 | |
| 844 | #Verify that there is 1 tracked process |
| 845 | extract_xml $OUTPUT_DEST $XPATH_TRACK_UNTRACK_VPID"/lttng:all" result |
| 846 | num=$(echo "$result" | wc -l) |
| 847 | test "$num" -eq "1" |
| 848 | ok $? "Mi test: track pid expecting 1 process got $num" |
| 849 | |
| 850 | #Test if the id is true wich represent the all argument |
| 851 | test "$result" = "true" |
| 852 | ok $? "Mi test: pid expected is true got $result" |
| 853 | |
| 854 | #Test if pid_tracker is enabled as definied by pid_tracker |
| 855 | #behavior. If all pid are untrack thant the pid_tracker is |
| 856 | #disabled (node pid_tracker do not exist) |
| 857 | list_lttng_with_opts $session_name |
| 858 | $XML_VALIDATE $OUTPUT_DEST |
| 859 | ok $? "Mi test: session list with pid_tracker validate" |
| 860 | |
| 861 | node_check_xml $OUTPUT_DEST $XPATH_VPID_TRACKER result |
| 862 | test "$result" = "" |
| 863 | ok $? "Mi test: VPID_tracker node is absent as defined" |
| 864 | |
| 865 | OUTPUT_DEST=$DEVNULL |
| 866 | destroy_lttng_sessions |
| 867 | } |
| 868 | |
| 869 | function test_add_context_list() |
| 870 | { |
| 871 | diag "Test context listing" |
| 872 | |
| 873 | OUTPUT_FILE="list-context.xml" |
| 874 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 875 | lttng_add_context_list |
| 876 | |
| 877 | $XML_VALIDATE $OUTPUT_DEST |
| 878 | ok $? "Mi test: context listing validation" |
| 879 | } |
| 880 | |
| 881 | function test_clear_session () |
| 882 | { |
| 883 | # Since the session are not started there is no real clear done. |
| 884 | # We are testing the MI output only here. |
| 885 | local session_name=( |
| 886 | "testSession1" |
| 887 | "testSession2" |
| 888 | "testSession3") |
| 889 | |
| 890 | OUTPUT_FILE="clear_session.xml" |
| 891 | |
| 892 | #Test build up |
| 893 | OUTPUT_DEST=$DEVNULL |
| 894 | for (( i = 0; i < 3; i++ )); do |
| 895 | create_lttng_session_ok ${session_name[$i]} $OUTPUT_DIR |
| 896 | done |
| 897 | |
| 898 | OUTPUT_DEST=$OUTPUT_DIR/$OUTPUT_FILE |
| 899 | lttng_clear_session_ok ${session_name[0]} |
| 900 | $XML_VALIDATE $OUTPUT_DEST |
| 901 | ok $? "MI test: clear session ${session_name[0]} xsd validation" |
| 902 | |
| 903 | #Verify that we cleared the good session |
| 904 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 905 | test "$result" = "${session_name[0]}" |
| 906 | ok $? "Mi test: cleared session: $result expected: ${session_name[0]}" |
| 907 | |
| 908 | #Destroy all and count:should be 3 |
| 909 | lttng_clear_all |
| 910 | $XML_VALIDATE $OUTPUT_DEST |
| 911 | ok $? "MI test: clear all session xsd validation" |
| 912 | |
| 913 | #Verify that we cleared 3 sessions |
| 914 | extract_xml $OUTPUT_DEST $XPATH_SESSION"/lttng:name/text()" result |
| 915 | num=$(echo "$result" | wc -l) |
| 916 | test "$num" -eq "3" |
| 917 | ok $? "Mi test: $num / 3 sessions discovered" |
| 918 | |
| 919 | destroy_lttng_sessions |
| 920 | |
| 921 | #Verify that if no session is present command fail and mi report it. |
| 922 | lttng_clear_session_fail ${session_name[0]} |
| 923 | $XML_VALIDATE $OUTPUT_DEST |
| 924 | ok $? "MI test: failing clear session ${session_name[0]} xsd validation" |
| 925 | extract_xml $OUTPUT_DEST $XPATH_COMMAND_SUCCESS result |
| 926 | test "$result" = "false" |
| 927 | ok $? "Mi test: clear command on ${session_name[0]} failed as expected" |
| 928 | |
| 929 | } |
| 930 | |
| 931 | start_lttng_sessiond $SESSIOND_LOAD_DIR |
| 932 | TESTS=( |
| 933 | test_version |
| 934 | test_create_session |
| 935 | test_destroy_session |
| 936 | test_list_sessions |
| 937 | test_ust_channel |
| 938 | test_ust_lttng_event |
| 939 | test_list_channel |
| 940 | test_list_domain |
| 941 | test_list_session |
| 942 | test_list_ust_event |
| 943 | test_start_stop |
| 944 | test_snapshot |
| 945 | test_track_untrack |
| 946 | test_list_session_long_path |
| 947 | test_add_context_list |
| 948 | test_clear_session |
| 949 | ) |
| 950 | |
| 951 | |
| 952 | echo $OUTPUT_DIR |
| 953 | for fct_test in ${TESTS[@]}; |
| 954 | do |
| 955 | ${fct_test} |
| 956 | if [ $? -ne 0 ]; then |
| 957 | break; |
| 958 | fi |
| 959 | done |
| 960 | rm -rf $OUTPUT_DIR |
| 961 | rm -rf $FOO_LOAD_DIR |
| 962 | |
| 963 | OUTPUT_DEST=/dev/null 2>&1 |
| 964 | stop_lttng_sessiond |