tests/regression/tools/tracker/test_event_tracker

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
   4 # Copyright (C) - 2015-2018 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5 #
   6 # This program is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License, version 2 only, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This program is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # this program; if not, write to the Free Software Foundation, Inc., 51
  17 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19 TEST_DESC="LTTng - Event traker test"
  20
  21 CURDIR=$(dirname "$0")/
  22 TESTDIR="$CURDIR/../../.."
  23 TESTAPP_PATH="$TESTDIR/utils/testapp"
  24 TESTAPP_NAME="gen-ust-events"
  25 TESTAPP_KERNEL_NAME="gen-kernel-test-events"
  26 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  27 TESTAPP_KERNEL_BIN="$TESTAPP_PATH/$TESTAPP_KERNEL_NAME/$TESTAPP_KERNEL_NAME"
  28 SESSION_NAME="tracker"
  29 NR_ITER=100
  30 NUM_GLOBAL_TESTS=2
  31 NUM_UST_TESTS=283
  32 NUM_KERNEL_TESTS=462
  33 NUM_TESTS=$((NUM_UST_TESTS+NUM_KERNEL_TESTS+NUM_GLOBAL_TESTS))
  34
  35 NR_USEC_WAIT=0  #for UST gen events
  36
  37 SCRIPT_UID="$(id -u)"
  38 SCRIPT_GID="$(id -g)"
  39 SCRIPT_USERNAME="$(id -un)"
  40 SCRIPT_GROUPNAME="$(id -gn)"
  41
  42 CHILD_PID=-1
  43 WAIT_PATH=
  44 AFTER_FIRST_PATH=
  45 BEFORE_LAST_PATH=
  46
  47 source $TESTDIR/utils/utils.sh
  48
  49 function prepare_ust_app
  50 {
  51         AFTER_FIRST_PATH=$(mktemp -u)
  52         BEFORE_LAST_PATH=$(mktemp -u)
  53
  54         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT -a "$AFTER_FIRST_PATH" -b "$BEFORE_LAST_PATH" &
  55         CHILD_PID=$!
  56 }
  57
  58 function trace_ust_app
  59 {
  60         touch "$BEFORE_LAST_PATH"
  61         wait
  62         ok $? "Traced application stopped."
  63         rm "$BEFORE_LAST_PATH"
  64         rm "$AFTER_FIRST_PATH"
  65 }
  66
  67 function prepare_kernel_app
  68 {
  69         WAIT_PATH=$(mktemp -u)
  70
  71         "$TESTAPP_KERNEL_BIN" "$WAIT_PATH" $NR_ITER &
  72         CHILD_PID=$!
  73 }
  74
  75 function trace_kernel_app
  76 {
  77         touch "$WAIT_PATH"
  78         wait
  79         ok $? "Traced application stopped."
  80         rm "$WAIT_PATH"
  81 }
  82
  83 function test_event_tracker()
  84 {
  85         local trace_path
  86         local domain="$1"
  87         local expect_event="$2"
  88         local wildcard="$3"
  89         local tracker="$4"
  90         local channel=''
  91
  92         trace_path=$(mktemp -d)
  93
  94         create_lttng_session_ok $SESSION_NAME "$trace_path"
  95
  96         if [ "$domain" = kernel ]; then
  97                 channel=chan
  98                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
  99         fi
 100
 101         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 102
 103         start_lttng_tracing_ok
 104
 105         lttng_track_"$domain"_ok "${tracker}"
 106
 107         prepare_"$domain"_app
 108
 109         trace_"$domain"_app
 110
 111         stop_lttng_tracing_ok
 112         destroy_lttng_session_ok $SESSION_NAME
 113
 114         if [ "$expect_event" -eq 1 ]; then
 115                 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
 116         else
 117                 validate_trace_session_"$domain"_empty "$trace_path"
 118         fi
 119
 120         rm -rf "$trace_path"
 121 }
 122
 123 function test_event_vpid_tracker()
 124 {
 125         local trace_path
 126         local domain="$1"
 127         local expect_event="$2"
 128         local wildcard="$3"
 129         local channel=''
 130
 131         trace_path=$(mktemp -d)
 132
 133         create_lttng_session_ok $SESSION_NAME "$trace_path"
 134
 135         if [ "$domain" = kernel ]; then
 136                 channel=chan
 137                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 138         fi
 139
 140         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 141
 142         prepare_"$domain"_app
 143
 144         start_lttng_tracing_ok
 145
 146         if [ "$expect_event" -eq 1 ]; then
 147                 lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
 148         else
 149                 lttng_track_"$domain"_ok "--vpid $((CHILD_PID+1))"
 150         fi
 151
 152         trace_"$domain"_app
 153
 154         stop_lttng_tracing_ok
 155         destroy_lttng_session_ok $SESSION_NAME
 156
 157         if [ "$expect_event" -eq 1 ]; then
 158                 validate_trace "$EVENT_NAME" "$trace_path"
 159         else
 160                 validate_trace_empty "$trace_path"
 161         fi
 162
 163         rm -rf "$trace_path"
 164 }
 165
 166 function test_event_pid_tracker()
 167 {
 168         local trace_path
 169         local domain="$1"
 170         local expect_event="$2"
 171         local wildcard="$3"
 172         local channel=''
 173
 174         trace_path=$(mktemp -d)
 175
 176         create_lttng_session_ok $SESSION_NAME "$trace_path"
 177
 178         if [ "$domain" = kernel ]; then
 179                 channel=chan
 180                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 181         fi
 182
 183         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 184
 185         prepare_"$domain"_app
 186
 187         start_lttng_tracing_ok
 188
 189         if [ "$expect_event" -eq 1 ]; then
 190                 lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
 191         else
 192                 lttng_track_"$domain"_ok "--pid $((CHILD_PID+1))"
 193         fi
 194
 195         trace_"$domain"_app
 196
 197         stop_lttng_tracing_ok
 198         destroy_lttng_session_ok $SESSION_NAME
 199
 200         if [ "$expect_event" -eq 1 ]; then
 201                 validate_trace "$EVENT_NAME" "$trace_path"
 202         else
 203                 validate_trace_empty "$trace_path"
 204         fi
 205
 206         rm -rf "$trace_path"
 207 }
 208
 209
 210 function test_event_tracker_fail()
 211 {
 212         local trace_path
 213         local domain="$1"
 214         local wildcard="$2"
 215         local tracker="$3"
 216
 217         trace_path=$(mktemp -d)
 218
 219         create_lttng_session_ok $SESSION_NAME "$trace_path"
 220         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard"
 221         lttng_track_"$domain"_fail "${tracker}"
 222         destroy_lttng_session_ok $SESSION_NAME
 223
 224         rm -rf "$trace_path"
 225 }
 226
 227 function test_event_track_untrack()
 228 {
 229         local trace_path
 230         local domain="$1"
 231         local expect_event="$2"
 232         local wildcard="$3"
 233         local tracker="$4"
 234         local channel=''
 235
 236         trace_path=$(mktemp -d)
 237
 238         create_lttng_session_ok $SESSION_NAME "$trace_path"
 239
 240         if [ "$domain" = kernel ]; then
 241                 channel=chan
 242                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 243         fi
 244
 245         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 246
 247         start_lttng_tracing_ok
 248
 249         lttng_track_"$domain"_ok "${tracker}"
 250         lttng_untrack_"$domain"_ok "${tracker}"
 251
 252         prepare_"$domain"_app
 253
 254         trace_"$domain"_app
 255
 256         stop_lttng_tracing_ok
 257         destroy_lttng_session_ok $SESSION_NAME
 258
 259         if [ "$expect_event" -eq 1 ]; then
 260                 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
 261         else
 262                 validate_trace_session_"$domain"_empty "$trace_path"
 263         fi
 264
 265         rm -rf "$trace_path"
 266 }
 267
 268 function test_event_vpid_track_untrack()
 269 {
 270         local trace_path
 271         local domain="$1"
 272         local expect_event="$2"
 273         local wildcard="$3"
 274         local channel=''
 275
 276         trace_path=$(mktemp -d)
 277
 278         create_lttng_session_ok $SESSION_NAME "$trace_path"
 279
 280         if [ "$domain" = kernel ]; then
 281                 channel=chan
 282                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 283         fi
 284
 285         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 286
 287         prepare_"$domain"_app
 288
 289         start_lttng_tracing_ok
 290
 291         lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
 292         lttng_untrack_"$domain"_ok "--vpid ${CHILD_PID}"
 293
 294         trace_"$domain"_app
 295
 296         stop_lttng_tracing_ok
 297         destroy_lttng_session_ok $SESSION_NAME
 298
 299         if [ "$expect_event" -eq 1 ]; then
 300                 validate_trace "$EVENT_NAME" "$trace_path"
 301         else
 302                 validate_trace_empty "$trace_path"
 303         fi
 304
 305         rm -rf "$trace_path"
 306 }
 307
 308 function test_event_pid_track_untrack()
 309 {
 310         local trace_path
 311         local domain="$1"
 312         local expect_event="$2"
 313         local wildcard="$3"
 314         local channel=''
 315
 316         trace_path=$(mktemp -d)
 317
 318         create_lttng_session_ok $SESSION_NAME "$trace_path"
 319
 320         if [ "$domain" = kernel ]; then
 321                 channel=chan
 322                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 323         fi
 324
 325         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 326
 327         prepare_"$domain"_app
 328
 329         start_lttng_tracing_ok
 330
 331         lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
 332         lttng_untrack_"$domain"_ok "--pid ${CHILD_PID}"
 333
 334         trace_"$domain"_app
 335
 336         stop_lttng_tracing_ok
 337         destroy_lttng_session_ok $SESSION_NAME
 338
 339         if [ "$expect_event" -eq 1 ]; then
 340                 validate_trace "$EVENT_NAME" "$trace_path"
 341         else
 342                 validate_trace_empty "$trace_path"
 343         fi
 344
 345         rm -rf "$trace_path"
 346 }
 347
 348 function test_event_ust_vpid_untrack_snapshot()
 349 {
 350         local trace_path
 351
 352         trace_path=$(mktemp -d)
 353
 354         diag "Test_event_ust_vpid_untrack_snapshot"
 355
 356         create_lttng_session_ok $SESSION_NAME "$trace_path" "--snapshot"
 357
 358         enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
 359
 360         prepare_ust_app
 361
 362         lttng_untrack_ust_ok "--vpid --all"
 363
 364         start_lttng_tracing_ok
 365
 366         trace_ust_app
 367         lttng_snapshot_record $SESSION_NAME
 368
 369         stop_lttng_tracing_ok
 370         destroy_lttng_session_ok $SESSION_NAME
 371
 372         snapshot_count=$(find "$trace_path" -name metadata | wc -l)
 373         is "$snapshot_count" 0 "Number of snapshot is zero"
 374
 375         rm -rf "$trace_path"
 376 }
 377
 378 # MUST set TESTDIR before calling those functions
 379 plan_tests $NUM_TESTS
 380
 381 print_test_banner "$TEST_DESC"
 382
 383 start_lttng_sessiond
 384
 385 diag "Test UST tracker"
 386
 387 if [ ! -x "$TESTAPP_BIN" ]; then
 388         BAIL_OUT "No UST nevents binary detected."
 389 fi
 390
 391 EVENT_NAME="tp:tptest"
 392
 393 # Both ordering of tracker type and `--all` are valid.
 394 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid --all"
 395 test_event_track_untrack ust 0 "${EVENT_NAME}" "--all --vgid"
 396
 397 #vuid, vgid
 398
 399 # non-matching
 400 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
 401 test_event_tracker ust 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
 402 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
 403 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
 404 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
 405 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 406 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 407 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid --all"
 408 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid --all"
 409
 410 # matching
 411 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 412 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 413 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
 414 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
 415 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
 416 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 417 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 418 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 419 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 420 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid --all"
 421 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid --all"
 422
 423 #fail
 424 test_event_tracker_fail ust "${EVENT_NAME}" "--vuid lttng_unexisting_user"
 425 test_event_tracker_fail ust "${EVENT_NAME}" "--vgid lttng_unexisting_group"
 426
 427
 428 #vpid
 429
 430 #non-matching
 431 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vpid --all"
 432 test_event_vpid_tracker ust 0 "${EVENT_NAME}"
 433 test_event_vpid_track_untrack ust 0 "${EVENT_NAME}"
 434
 435 #matching
 436 test_event_tracker ust 1 "${EVENT_NAME}" "--vpid --all"
 437 test_event_vpid_tracker ust 1 "${EVENT_NAME}"
 438
 439 #snapshot untrack vpid
 440
 441 test_event_ust_vpid_untrack_snapshot
 442
 443 #pid (backward compat)
 444
 445 #non-matching
 446 test_event_pid_tracker ust 0 "${EVENT_NAME}"
 447 test_event_pid_track_untrack ust 0 "${EVENT_NAME}"
 448 test_event_track_untrack ust 0 "${EVENT_NAME}" "--pid --all"    # backward compat
 449
 450 #matching
 451 test_event_tracker ust 1 "${EVENT_NAME}" "--pid --all"  # backward compat
 452 test_event_pid_tracker ust 1 "${EVENT_NAME}"
 453
 454 if [ "$(id -u)" == "0" ]; then
 455         isroot=1
 456 else
 457         isroot=0
 458 fi
 459
 460 skip $isroot "Root access is needed. Skipping all kernel tracker tests." $NUM_KERNEL_TESTS ||
 461 {
 462         diag "Test kernel tracker"
 463
 464         modprobe lttng-test
 465         ok $? "Loading lttng-test module"
 466
 467         EVENT_NAME="lttng_test_filter_event"
 468
 469         # vuid, vgid, vpid
 470
 471         # non-matching
 472         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
 473         test_event_tracker kernel 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
 474         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
 475         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
 476         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
 477         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 478         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 479         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid --all"
 480         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid --all"
 481
 482         # matching
 483         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 484         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 485         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
 486         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
 487         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
 488         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 489         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 490         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 491         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 492         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid --all"
 493         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid --all"
 494
 495         #fail
 496         test_event_tracker_fail kernel "${EVENT_NAME}" "--vuid lttng_unexisting_user"
 497         test_event_tracker_fail kernel "${EVENT_NAME}" "--vgid lttng_unexisting_group"
 498
 499
 500         #uid, gid
 501
 502         # non-matching
 503         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1))"
 504         test_event_tracker kernel 0 "${EVENT_NAME}" "--gid $((SCRIPT_GID+1))"
 505         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid $((SCRIPT_GID+1))"
 506         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid ${SCRIPT_GID}"
 507         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid $((SCRIPT_GID+1))"
 508         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
 509         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
 510         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid --all"
 511         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid --all"
 512
 513         # matching
 514         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
 515         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
 516         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid ${SCRIPT_GID}"
 517         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME}"
 518         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME}"
 519         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 520         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 521         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 522         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 523
 524         #fail
 525         test_event_tracker_fail kernel "${EVENT_NAME}" "--uid lttng_unexisting_user"
 526         test_event_tracker_fail kernel "${EVENT_NAME}" "--gid lttng_unexisting_group"
 527
 528
 529         #vpid
 530
 531         #non-matching
 532         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vpid --all"
 533         test_event_vpid_tracker kernel 0 "${EVENT_NAME}"
 534         test_event_vpid_track_untrack kernel 0 "${EVENT_NAME}"
 535
 536         #matching
 537         test_event_tracker kernel 1 "${EVENT_NAME}" "--vpid --all"
 538         test_event_vpid_tracker kernel 1 "${EVENT_NAME}"
 539
 540         #pid
 541
 542         #non-matching
 543         test_event_pid_tracker kernel 0 "${EVENT_NAME}"
 544         test_event_pid_track_untrack kernel 0 "${EVENT_NAME}"
 545         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--pid --all"
 546
 547         #matching
 548         test_event_tracker kernel 1 "${EVENT_NAME}" "--pid --all"
 549         test_event_pid_tracker kernel 1 "${EVENT_NAME}"
 550
 551         rmmod lttng-test
 552         ok $? "Unloading lttng-test module"
 553 }
 554
 555 stop_lttng_sessiond