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 # SPDX-License-Identifier: GPL-2.0-only
   7
   8 TEST_DESC="LTTng - Event traker test"
   9
  10 CURDIR=$(dirname "$0")/
  11 TESTDIR="$CURDIR/../../.."
  12 TESTAPP_PATH="$TESTDIR/utils/testapp"
  13 TESTAPP_NAME="gen-ust-events"
  14 TESTAPP_KERNEL_NAME="gen-kernel-test-events"
  15 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  16 TESTAPP_KERNEL_BIN="$TESTAPP_PATH/$TESTAPP_KERNEL_NAME/$TESTAPP_KERNEL_NAME"
  17 SESSION_NAME="tracker"
  18 NR_ITER=100
  19 NUM_GLOBAL_TESTS=2
  20 NUM_UST_TESTS=283
  21 NUM_KERNEL_TESTS=462
  22 NUM_TESTS=$((NUM_UST_TESTS+NUM_KERNEL_TESTS+NUM_GLOBAL_TESTS))
  23
  24 NR_USEC_WAIT=0  #for UST gen events
  25
  26 SCRIPT_UID="$(id -u)"
  27 SCRIPT_GID="$(id -g)"
  28 SCRIPT_USERNAME="$(id -un)"
  29 SCRIPT_GROUPNAME="$(id -gn)"
  30
  31 CHILD_PID=-1
  32 WAIT_PATH=
  33 AFTER_FIRST_PATH=
  34 BEFORE_LAST_PATH=
  35
  36 source $TESTDIR/utils/utils.sh
  37
  38 function prepare_ust_app
  39 {
  40         AFTER_FIRST_PATH=$(mktemp --tmpdir -u tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX)
  41         BEFORE_LAST_PATH=$(mktemp --tmpdir -u tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX)
  42
  43         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT -a "$AFTER_FIRST_PATH" -b "$BEFORE_LAST_PATH" &
  44         CHILD_PID=$!
  45 }
  46
  47 function trace_ust_app
  48 {
  49         touch "$BEFORE_LAST_PATH"
  50         wait
  51         ok $? "Traced application stopped."
  52         rm "$BEFORE_LAST_PATH"
  53         rm "$AFTER_FIRST_PATH"
  54 }
  55
  56 function prepare_kernel_app
  57 {
  58         WAIT_PATH=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_wait_path.XXXXXX")
  59
  60         "$TESTAPP_KERNEL_BIN" "$WAIT_PATH" $NR_ITER &
  61         CHILD_PID=$!
  62 }
  63
  64 function trace_kernel_app
  65 {
  66         touch "$WAIT_PATH"
  67         wait
  68         ok $? "Traced application stopped."
  69         rm "$WAIT_PATH"
  70 }
  71
  72 function test_event_tracker()
  73 {
  74         local trace_path
  75         local domain="$1"
  76         local expect_event="$2"
  77         local wildcard="$3"
  78         local tracker="$4"
  79         local channel=''
  80
  81         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
  82
  83         create_lttng_session_ok $SESSION_NAME "$trace_path"
  84
  85         if [ "$domain" = kernel ]; then
  86                 channel=chan
  87                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
  88         fi
  89
  90         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
  91
  92         start_lttng_tracing_ok
  93
  94         lttng_track_"$domain"_ok "${tracker}"
  95
  96         prepare_"$domain"_app
  97
  98         trace_"$domain"_app
  99
 100         stop_lttng_tracing_ok
 101         destroy_lttng_session_ok $SESSION_NAME
 102
 103         if [ "$expect_event" -eq 1 ]; then
 104                 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
 105         else
 106                 validate_trace_session_"$domain"_empty "$trace_path"
 107         fi
 108
 109         rm -rf "$trace_path"
 110 }
 111
 112 function test_event_vpid_tracker()
 113 {
 114         local trace_path
 115         local domain="$1"
 116         local expect_event="$2"
 117         local wildcard="$3"
 118         local channel=''
 119
 120         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 121
 122         create_lttng_session_ok $SESSION_NAME "$trace_path"
 123
 124         if [ "$domain" = kernel ]; then
 125                 channel=chan
 126                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 127         fi
 128
 129         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 130
 131         prepare_"$domain"_app
 132
 133         start_lttng_tracing_ok
 134
 135         if [ "$expect_event" -eq 1 ]; then
 136                 lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
 137         else
 138                 lttng_track_"$domain"_ok "--vpid $((CHILD_PID+1))"
 139         fi
 140
 141         trace_"$domain"_app
 142
 143         stop_lttng_tracing_ok
 144         destroy_lttng_session_ok $SESSION_NAME
 145
 146         if [ "$expect_event" -eq 1 ]; then
 147                 validate_trace "$EVENT_NAME" "$trace_path"
 148         else
 149                 validate_trace_empty "$trace_path"
 150         fi
 151
 152         rm -rf "$trace_path"
 153 }
 154
 155 function test_event_pid_tracker()
 156 {
 157         local trace_path
 158         local domain="$1"
 159         local expect_event="$2"
 160         local wildcard="$3"
 161         local channel=''
 162
 163         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 164
 165         create_lttng_session_ok $SESSION_NAME "$trace_path"
 166
 167         if [ "$domain" = kernel ]; then
 168                 channel=chan
 169                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 170         fi
 171
 172         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 173
 174         prepare_"$domain"_app
 175
 176         start_lttng_tracing_ok
 177
 178         if [ "$expect_event" -eq 1 ]; then
 179                 lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
 180         else
 181                 lttng_track_"$domain"_ok "--pid $((CHILD_PID+1))"
 182         fi
 183
 184         trace_"$domain"_app
 185
 186         stop_lttng_tracing_ok
 187         destroy_lttng_session_ok $SESSION_NAME
 188
 189         if [ "$expect_event" -eq 1 ]; then
 190                 validate_trace "$EVENT_NAME" "$trace_path"
 191         else
 192                 validate_trace_empty "$trace_path"
 193         fi
 194
 195         rm -rf "$trace_path"
 196 }
 197
 198
 199 function test_event_tracker_fail()
 200 {
 201         local trace_path
 202         local domain="$1"
 203         local wildcard="$2"
 204         local tracker="$3"
 205
 206         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 207
 208         create_lttng_session_ok $SESSION_NAME "$trace_path"
 209         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard"
 210         lttng_track_"$domain"_fail "${tracker}"
 211         destroy_lttng_session_ok $SESSION_NAME
 212
 213         rm -rf "$trace_path"
 214 }
 215
 216 function test_event_track_untrack()
 217 {
 218         local trace_path
 219         local domain="$1"
 220         local expect_event="$2"
 221         local wildcard="$3"
 222         local tracker="$4"
 223         local channel=''
 224
 225         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 226
 227         create_lttng_session_ok $SESSION_NAME "$trace_path"
 228
 229         if [ "$domain" = kernel ]; then
 230                 channel=chan
 231                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 232         fi
 233
 234         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 235
 236         start_lttng_tracing_ok
 237
 238         lttng_track_"$domain"_ok "${tracker}"
 239         lttng_untrack_"$domain"_ok "${tracker}"
 240
 241         prepare_"$domain"_app
 242
 243         trace_"$domain"_app
 244
 245         stop_lttng_tracing_ok
 246         destroy_lttng_session_ok $SESSION_NAME
 247
 248         if [ "$expect_event" -eq 1 ]; then
 249                 trace_matches "$EVENT_NAME" $NR_ITER "$trace_path"
 250         else
 251                 validate_trace_session_"$domain"_empty "$trace_path"
 252         fi
 253
 254         rm -rf "$trace_path"
 255 }
 256
 257 function test_event_vpid_track_untrack()
 258 {
 259         local trace_path
 260         local domain="$1"
 261         local expect_event="$2"
 262         local wildcard="$3"
 263         local channel=''
 264
 265         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 266
 267         create_lttng_session_ok $SESSION_NAME "$trace_path"
 268
 269         if [ "$domain" = kernel ]; then
 270                 channel=chan
 271                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 272         fi
 273
 274         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 275
 276         prepare_"$domain"_app
 277
 278         start_lttng_tracing_ok
 279
 280         lttng_track_"$domain"_ok "--vpid ${CHILD_PID}"
 281         lttng_untrack_"$domain"_ok "--vpid ${CHILD_PID}"
 282
 283         trace_"$domain"_app
 284
 285         stop_lttng_tracing_ok
 286         destroy_lttng_session_ok $SESSION_NAME
 287
 288         if [ "$expect_event" -eq 1 ]; then
 289                 validate_trace "$EVENT_NAME" "$trace_path"
 290         else
 291                 validate_trace_empty "$trace_path"
 292         fi
 293
 294         rm -rf "$trace_path"
 295 }
 296
 297 function test_event_pid_track_untrack()
 298 {
 299         local trace_path
 300         local domain="$1"
 301         local expect_event="$2"
 302         local wildcard="$3"
 303         local channel=''
 304
 305         trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 306
 307         create_lttng_session_ok $SESSION_NAME "$trace_path"
 308
 309         if [ "$domain" = kernel ]; then
 310                 channel=chan
 311                 lttng_enable_kernel_channel 1 0 $SESSION_NAME $channel "--subbuf-size=8M --num-subbuf=4"
 312         fi
 313
 314         enable_"$domain"_lttng_event_ok $SESSION_NAME "$wildcard" "$channel"
 315
 316         prepare_"$domain"_app
 317
 318         start_lttng_tracing_ok
 319
 320         lttng_track_"$domain"_ok "--pid ${CHILD_PID}"
 321         lttng_untrack_"$domain"_ok "--pid ${CHILD_PID}"
 322
 323         trace_"$domain"_app
 324
 325         stop_lttng_tracing_ok
 326         destroy_lttng_session_ok $SESSION_NAME
 327
 328         if [ "$expect_event" -eq 1 ]; then
 329                 validate_trace "$EVENT_NAME" "$trace_path"
 330         else
 331                 validate_trace_empty "$trace_path"
 332         fi
 333
 334         rm -rf "$trace_path"
 335 }
 336
 337 function test_event_ust_vpid_untrack_snapshot()
 338 {
 339         local trace_path=$(mktemp --tmpdir -d tmp.${FUNCNAME[0]}_trace_path.XXXXXX)
 340
 341         diag "Test_event_ust_vpid_untrack_snapshot"
 342
 343         create_lttng_session_ok $SESSION_NAME "$trace_path" "--snapshot"
 344
 345         enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
 346
 347         prepare_ust_app
 348
 349         lttng_untrack_ust_ok "--vpid --all"
 350
 351         start_lttng_tracing_ok
 352
 353         trace_ust_app
 354         lttng_snapshot_record $SESSION_NAME
 355
 356         stop_lttng_tracing_ok
 357         destroy_lttng_session_ok $SESSION_NAME
 358
 359         snapshot_count=$(find "$trace_path" -name metadata | wc -l)
 360         is "$snapshot_count" 0 "Number of snapshot is zero"
 361
 362         rm -rf "$trace_path"
 363 }
 364
 365 # MUST set TESTDIR before calling those functions
 366 plan_tests $NUM_TESTS
 367
 368 print_test_banner "$TEST_DESC"
 369
 370 start_lttng_sessiond
 371
 372 diag "Test UST tracker"
 373
 374 if [ ! -x "$TESTAPP_BIN" ]; then
 375         BAIL_OUT "No UST nevents binary detected."
 376 fi
 377
 378 EVENT_NAME="tp:tptest"
 379
 380 # Both ordering of tracker type and `--all` are valid.
 381 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid --all"
 382 test_event_track_untrack ust 0 "${EVENT_NAME}" "--all --vgid"
 383
 384 #vuid, vgid
 385
 386 # non-matching
 387 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
 388 test_event_tracker ust 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
 389 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
 390 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
 391 test_event_tracker ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
 392 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 393 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 394 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vuid --all"
 395 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vgid --all"
 396
 397 # matching
 398 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 399 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 400 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
 401 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
 402 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
 403 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 404 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 405 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 406 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 407 test_event_tracker ust 1 "${EVENT_NAME}" "--vuid --all"
 408 test_event_tracker ust 1 "${EVENT_NAME}" "--vgid --all"
 409
 410 #fail
 411 test_event_tracker_fail ust "${EVENT_NAME}" "--vuid lttng_unexisting_user"
 412 test_event_tracker_fail ust "${EVENT_NAME}" "--vgid lttng_unexisting_group"
 413
 414
 415 #vpid
 416
 417 #non-matching
 418 test_event_track_untrack ust 0 "${EVENT_NAME}" "--vpid --all"
 419 test_event_vpid_tracker ust 0 "${EVENT_NAME}"
 420 test_event_vpid_track_untrack ust 0 "${EVENT_NAME}"
 421
 422 #matching
 423 test_event_tracker ust 1 "${EVENT_NAME}" "--vpid --all"
 424 test_event_vpid_tracker ust 1 "${EVENT_NAME}"
 425
 426 #snapshot untrack vpid
 427
 428 test_event_ust_vpid_untrack_snapshot
 429
 430 #pid (backward compat)
 431
 432 #non-matching
 433 test_event_pid_tracker ust 0 "${EVENT_NAME}"
 434 test_event_pid_track_untrack ust 0 "${EVENT_NAME}"
 435 test_event_track_untrack ust 0 "${EVENT_NAME}" "--pid --all"    # backward compat
 436
 437 #matching
 438 test_event_tracker ust 1 "${EVENT_NAME}" "--pid --all"  # backward compat
 439 test_event_pid_tracker ust 1 "${EVENT_NAME}"
 440
 441 if [ "$(id -u)" == "0" ]; then
 442         isroot=1
 443 else
 444         isroot=0
 445 fi
 446
 447 skip $isroot "Root access is needed. Skipping all kernel tracker tests." $NUM_KERNEL_TESTS ||
 448 {
 449         diag "Test kernel tracker"
 450
 451         modprobe lttng-test
 452         ok $? "Loading lttng-test module"
 453
 454         EVENT_NAME="lttng_test_filter_event"
 455
 456         # vuid, vgid, vpid
 457
 458         # non-matching
 459         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1))"
 460         test_event_tracker kernel 0 "${EVENT_NAME}" "--vgid $((SCRIPT_GID+1))"
 461         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid $((SCRIPT_GID+1))"
 462         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid $((SCRIPT_UID+1)) --vgid ${SCRIPT_GID}"
 463         test_event_tracker kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid $((SCRIPT_GID+1))"
 464         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 465         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 466         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vuid --all"
 467         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vgid --all"
 468
 469         # matching
 470         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID}"
 471         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID}"
 472         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID} --vgid ${SCRIPT_GID}"
 473         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME}"
 474         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME}"
 475         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 476         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 477         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 478         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 479         test_event_tracker kernel 1 "${EVENT_NAME}" "--vuid --all"
 480         test_event_tracker kernel 1 "${EVENT_NAME}" "--vgid --all"
 481
 482         #fail
 483         test_event_tracker_fail kernel "${EVENT_NAME}" "--vuid lttng_unexisting_user"
 484         test_event_tracker_fail kernel "${EVENT_NAME}" "--vgid lttng_unexisting_group"
 485
 486
 487         #uid, gid
 488
 489         # non-matching
 490         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1))"
 491         test_event_tracker kernel 0 "${EVENT_NAME}" "--gid $((SCRIPT_GID+1))"
 492         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid $((SCRIPT_GID+1))"
 493         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid $((SCRIPT_UID+1)) --gid ${SCRIPT_GID}"
 494         test_event_tracker kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid $((SCRIPT_GID+1))"
 495         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
 496         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
 497         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--uid --all"
 498         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--gid --all"
 499
 500         # matching
 501         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID}"
 502         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID}"
 503         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID} --gid ${SCRIPT_GID}"
 504         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME}"
 505         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME}"
 506         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_UID},$((SCRIPT_UID+1))"
 507         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GID},$((SCRIPT_GID+1))"
 508         test_event_tracker kernel 1 "${EVENT_NAME}" "--uid ${SCRIPT_USERNAME},$((SCRIPT_UID+1))"
 509         test_event_tracker kernel 1 "${EVENT_NAME}" "--gid ${SCRIPT_GROUPNAME},$((SCRIPT_GID+1))"
 510
 511         #fail
 512         test_event_tracker_fail kernel "${EVENT_NAME}" "--uid lttng_unexisting_user"
 513         test_event_tracker_fail kernel "${EVENT_NAME}" "--gid lttng_unexisting_group"
 514
 515
 516         #vpid
 517
 518         #non-matching
 519         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--vpid --all"
 520         test_event_vpid_tracker kernel 0 "${EVENT_NAME}"
 521         test_event_vpid_track_untrack kernel 0 "${EVENT_NAME}"
 522
 523         #matching
 524         test_event_tracker kernel 1 "${EVENT_NAME}" "--vpid --all"
 525         test_event_vpid_tracker kernel 1 "${EVENT_NAME}"
 526
 527         #pid
 528
 529         #non-matching
 530         test_event_pid_tracker kernel 0 "${EVENT_NAME}"
 531         test_event_pid_track_untrack kernel 0 "${EVENT_NAME}"
 532         test_event_track_untrack kernel 0 "${EVENT_NAME}" "--pid --all"
 533
 534         #matching
 535         test_event_tracker kernel 1 "${EVENT_NAME}" "--pid --all"
 536         test_event_pid_tracker kernel 1 "${EVENT_NAME}"
 537
 538         modprobe --remove lttng-test
 539         ok $? "Unloading lttng-test module"
 540 }
 541
 542 stop_lttng_sessiond