| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Clear - Kernel tracing" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | EVENT_NAME="lttng_test_filter_event" |
| 12 | |
| 13 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 14 | TRACE_PATH=$(mktemp -d -t tmp.test_clear_kernel_trace_path.XXXXXX) |
| 15 | |
| 16 | NUM_TESTS=837 |
| 17 | |
| 18 | # shellcheck source=../utils/utils.sh |
| 19 | source "$TESTDIR/utils/utils.sh" |
| 20 | |
| 21 | function signal_cleanup () |
| 22 | { |
| 23 | stop_lttng_sessiond |
| 24 | modprobe --remove lttng-test |
| 25 | full_cleanup |
| 26 | } |
| 27 | |
| 28 | function clean_path () |
| 29 | { |
| 30 | local trace_path=$1 |
| 31 | set -u |
| 32 | rm -rf $trace_path |
| 33 | set +u |
| 34 | } |
| 35 | |
| 36 | function cond_start_tracing () |
| 37 | { |
| 38 | local session_name=$1 |
| 39 | local tracing_active=$2 |
| 40 | |
| 41 | if [[ $tracing_active -ne 1 ]]; then |
| 42 | start_lttng_tracing_ok $session_name |
| 43 | fi |
| 44 | } |
| 45 | |
| 46 | function cond_stop_tracing () |
| 47 | { |
| 48 | local session_name=$1 |
| 49 | local tracing_active=$2 |
| 50 | |
| 51 | if [[ $tracing_active -ne 1 ]]; then |
| 52 | stop_lttng_tracing_ok $session_name |
| 53 | fi |
| 54 | } |
| 55 | |
| 56 | function do_clear_session () |
| 57 | { |
| 58 | local session_name=$1 |
| 59 | local tracing_active=$2 |
| 60 | local clear_twice=$3 |
| 61 | local rotate_before=$4 |
| 62 | local rotate_after=$5 |
| 63 | |
| 64 | cond_stop_tracing $session_name $tracing_active |
| 65 | if [[ $rotate_before -eq 1 ]]; then |
| 66 | rotate_session_ok $SESSION_NAME |
| 67 | fi |
| 68 | lttng_clear_session_ok $SESSION_NAME |
| 69 | if [[ $clear_twice -eq 1 ]]; then |
| 70 | lttng_clear_session_ok $SESSION_NAME |
| 71 | fi |
| 72 | if [[ $rotate_after -eq 1 ]]; then |
| 73 | if [[ $tracing_active -eq 1 ]]; then |
| 74 | rotate_session_ok $SESSION_NAME |
| 75 | else |
| 76 | # Expect failure |
| 77 | rotate_session_fail $SESSION_NAME |
| 78 | fi |
| 79 | fi |
| 80 | cond_start_tracing $session_name $tracing_active |
| 81 | } |
| 82 | |
| 83 | function test_kernel_streaming () |
| 84 | { |
| 85 | local tracing_active=$1 |
| 86 | local clear_twice=$2 |
| 87 | local rotate_before=$3 |
| 88 | local rotate_after=$4 |
| 89 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 90 | |
| 91 | diag "Test kernel streaming clear" |
| 92 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 93 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 94 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 95 | start_lttng_tracing_ok $SESSION_NAME |
| 96 | # Generate 10 events that will sit in the buffers. |
| 97 | echo -n "10" > /proc/lttng-test-filter-event |
| 98 | |
| 99 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 100 | |
| 101 | stop_lttng_tracing_ok $SESSION_NAME |
| 102 | |
| 103 | if [[ $rotate_before -eq 1 ]]; then |
| 104 | validate_trace_count $EVENT_NAME $local_path 10 |
| 105 | else |
| 106 | validate_trace_empty $local_path |
| 107 | fi |
| 108 | |
| 109 | destroy_lttng_session_ok $SESSION_NAME |
| 110 | } |
| 111 | |
| 112 | function test_kernel_streaming_rotate_clear () |
| 113 | { |
| 114 | local tracing_active=$1 |
| 115 | local clear_twice=$2 |
| 116 | local rotate_before=$3 |
| 117 | local rotate_after=$4 |
| 118 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 119 | |
| 120 | diag "Test kernel streaming rotate-clear" |
| 121 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 122 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 123 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 124 | start_lttng_tracing_ok $SESSION_NAME |
| 125 | echo -n "1" > /proc/lttng-test-filter-event |
| 126 | rotate_session_ok $SESSION_NAME |
| 127 | echo -n "2" > /proc/lttng-test-filter-event |
| 128 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 129 | echo -n "3" > /proc/lttng-test-filter-event |
| 130 | |
| 131 | stop_lttng_tracing_ok $SESSION_NAME |
| 132 | |
| 133 | if [[ $rotate_before -eq 1 ]]; then |
| 134 | local expect_count=6 |
| 135 | else |
| 136 | local expect_count=4 |
| 137 | fi |
| 138 | validate_trace_count $EVENT_NAME $local_path $expect_count |
| 139 | |
| 140 | destroy_lttng_session_ok $SESSION_NAME |
| 141 | } |
| 142 | |
| 143 | function test_kernel_streaming_clear_rotate() |
| 144 | { |
| 145 | local tracing_active=$1 |
| 146 | local clear_twice=$2 |
| 147 | local rotate_before=$3 |
| 148 | local rotate_after=$4 |
| 149 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 150 | |
| 151 | diag "Test kernel streaming clear-rotate" |
| 152 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 153 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 154 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 155 | start_lttng_tracing_ok $SESSION_NAME |
| 156 | echo -n "1" > /proc/lttng-test-filter-event |
| 157 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 158 | echo -n "2" > /proc/lttng-test-filter-event |
| 159 | rotate_session_ok $SESSION_NAME |
| 160 | echo -n "3" > /proc/lttng-test-filter-event |
| 161 | |
| 162 | stop_lttng_tracing_ok $SESSION_NAME |
| 163 | |
| 164 | if [[ $rotate_before -eq 1 ]]; then |
| 165 | local expect_count=6 |
| 166 | else |
| 167 | local expect_count=5 |
| 168 | fi |
| 169 | validate_trace_count $EVENT_NAME $local_path $expect_count |
| 170 | |
| 171 | destroy_lttng_session_ok $SESSION_NAME |
| 172 | } |
| 173 | |
| 174 | function test_kernel_streaming_live () |
| 175 | { |
| 176 | local tracing_active=$1 |
| 177 | local clear_twice=$2 |
| 178 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 179 | |
| 180 | diag "Test kernel streaming live clear" |
| 181 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 182 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 183 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 184 | start_lttng_tracing_ok $SESSION_NAME |
| 185 | # Generate 10 events that will sit in the buffers. |
| 186 | echo -n "10" > /proc/lttng-test-filter-event |
| 187 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 188 | stop_lttng_tracing_ok $SESSION_NAME |
| 189 | |
| 190 | validate_trace_empty $local_path |
| 191 | |
| 192 | destroy_lttng_session_ok $SESSION_NAME |
| 193 | } |
| 194 | |
| 195 | #no clear |
| 196 | function test_kernel_basic_streaming_live_viewer () |
| 197 | { |
| 198 | local tracing_active=$1 |
| 199 | local clear_twice=$2 |
| 200 | # 3, 4 unused |
| 201 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 202 | local remote_trace_path="${HOSTNAME}/${SESSION_NAME}" |
| 203 | local channel_name="chan" |
| 204 | local bt_output_path=$(mktemp -t "tmp.${FUNCNAME[0]}_bt_output.XXXXXX") |
| 205 | local file_sync_before_exit=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_exit.XXXXXX") |
| 206 | |
| 207 | diag "Test kernel basic streaming live with viewer" |
| 208 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 209 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 210 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name |
| 211 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 212 | start_lttng_tracing_ok $SESSION_NAME |
| 213 | |
| 214 | wait_live_trace_ready net://localhost |
| 215 | |
| 216 | # Connect a live viewer |
| 217 | $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path & |
| 218 | local viewer_pid=$! |
| 219 | |
| 220 | wait_live_viewer_connect net://localhost |
| 221 | |
| 222 | echo -n "10" > /proc/lttng-test-filter-event |
| 223 | |
| 224 | diag "Wait until viewer sees all 10 expected events" |
| 225 | local evcount=0 |
| 226 | while [ $evcount -ne 10 ]; do |
| 227 | evcount=$(cat $bt_output_path | wc -l) |
| 228 | sleep 0.5 |
| 229 | done |
| 230 | pass "Live viewer read $evcount events, expect 10" |
| 231 | |
| 232 | destroy_lttng_session_ok $SESSION_NAME |
| 233 | touch $file_sync_before_exit |
| 234 | diag "Wait for viewer to exit" |
| 235 | wait $viewer_pid |
| 236 | ok $? "Babeltrace succeeds" |
| 237 | pass "Wait for viewer to exit" |
| 238 | |
| 239 | rm -f $bt_output_path |
| 240 | rm -f $file_sync_before_exit |
| 241 | } |
| 242 | |
| 243 | function test_kernel_streaming_live_viewer () |
| 244 | { |
| 245 | local tracing_active=$1 |
| 246 | local clear_twice=$2 |
| 247 | # 3, 4 unused |
| 248 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 249 | local remote_trace_path="${HOSTNAME}/${SESSION_NAME}" |
| 250 | local channel_name="chan" |
| 251 | local bt_output_path=$(mktemp -t "tmp.${FUNCNAME[0]}_bt_output.XXXXXX") |
| 252 | |
| 253 | diag "Test kernel streaming live clear with viewer" |
| 254 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 255 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 256 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name |
| 257 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 258 | start_lttng_tracing_ok $SESSION_NAME |
| 259 | |
| 260 | wait_live_trace_ready net://localhost |
| 261 | |
| 262 | # Connect a live viewer |
| 263 | $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path & |
| 264 | local viewer_pid=$! |
| 265 | |
| 266 | wait_live_viewer_connect net://localhost |
| 267 | |
| 268 | echo -n "10" > /proc/lttng-test-filter-event |
| 269 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 270 | stop_lttng_tracing_ok $SESSION_NAME |
| 271 | |
| 272 | destroy_lttng_session_ok $SESSION_NAME |
| 273 | diag "Wait for viewer to exit" |
| 274 | wait $viewer_pid |
| 275 | ok $? "Babeltrace succeeds" |
| 276 | pass "Wait for viewer to exit" |
| 277 | |
| 278 | clean_path $bt_output_path |
| 279 | } |
| 280 | |
| 281 | function test_kernel_local () |
| 282 | { |
| 283 | local tracing_active=$1 |
| 284 | local clear_twice=$2 |
| 285 | local rotate_before=$3 |
| 286 | local rotate_after=$4 |
| 287 | |
| 288 | diag "Test kernel local" |
| 289 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 290 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 291 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 292 | start_lttng_tracing_ok $SESSION_NAME |
| 293 | # Generate 10 events that will sit in the buffers. |
| 294 | echo -n "10" > /proc/lttng-test-filter-event |
| 295 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 296 | stop_lttng_tracing_ok $SESSION_NAME |
| 297 | |
| 298 | if [[ $rotate_before -eq 1 ]]; then |
| 299 | validate_trace_count $EVENT_NAME $TRACE_PATH 10 |
| 300 | else |
| 301 | validate_trace_empty $TRACE_PATH |
| 302 | fi |
| 303 | |
| 304 | destroy_lttng_session_ok $SESSION_NAME |
| 305 | } |
| 306 | |
| 307 | function test_kernel_local_rotate_clear () |
| 308 | { |
| 309 | local tracing_active=$1 |
| 310 | local clear_twice=$2 |
| 311 | local rotate_before=$3 |
| 312 | local rotate_after=$4 |
| 313 | |
| 314 | diag "Test kernel local rotate-clear" |
| 315 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 316 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 317 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 318 | start_lttng_tracing_ok $SESSION_NAME |
| 319 | echo -n "1" > /proc/lttng-test-filter-event |
| 320 | rotate_session_ok $SESSION_NAME |
| 321 | echo -n "2" > /proc/lttng-test-filter-event |
| 322 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 323 | echo -n "3" > /proc/lttng-test-filter-event |
| 324 | stop_lttng_tracing_ok $SESSION_NAME |
| 325 | |
| 326 | if [[ $rotate_before -eq 1 ]]; then |
| 327 | local expect_count=6 |
| 328 | else |
| 329 | local expect_count=4 |
| 330 | fi |
| 331 | validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count |
| 332 | |
| 333 | destroy_lttng_session_ok $SESSION_NAME |
| 334 | } |
| 335 | |
| 336 | function test_kernel_local_clear_rotate() |
| 337 | { |
| 338 | local tracing_active=$1 |
| 339 | local clear_twice=$2 |
| 340 | local rotate_before=$3 |
| 341 | local rotate_after=$4 |
| 342 | |
| 343 | diag "Test kernel local clear-rotate" |
| 344 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 345 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 346 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 347 | start_lttng_tracing_ok $SESSION_NAME |
| 348 | echo -n "1" > /proc/lttng-test-filter-event |
| 349 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 350 | echo -n "2" > /proc/lttng-test-filter-event |
| 351 | rotate_session_ok $SESSION_NAME |
| 352 | echo -n "3" > /proc/lttng-test-filter-event |
| 353 | stop_lttng_tracing_ok $SESSION_NAME |
| 354 | |
| 355 | if [[ $rotate_before -eq 1 ]]; then |
| 356 | local expect_count=6 |
| 357 | else |
| 358 | local expect_count=5 |
| 359 | fi |
| 360 | validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count |
| 361 | |
| 362 | destroy_lttng_session_ok $SESSION_NAME |
| 363 | } |
| 364 | |
| 365 | function do_kernel_snapshot () |
| 366 | { |
| 367 | local session_name=$1 |
| 368 | local trace_path=$2 |
| 369 | local tracing_active=$3 |
| 370 | local clear_twice=$4 |
| 371 | local rotate_before=$5 |
| 372 | local rotate_after=$6 |
| 373 | |
| 374 | lttng_enable_kernel_event $session_name $EVENT_NAME |
| 375 | start_lttng_tracing_ok $session_name |
| 376 | |
| 377 | # Generate 10 events that will sit in the buffers. |
| 378 | echo -n "10" > /proc/lttng-test-filter-event |
| 379 | |
| 380 | # Take a first snapshot and validate that the events are present. |
| 381 | lttng_snapshot_record $session_name |
| 382 | stop_lttng_tracing_ok $session_name |
| 383 | validate_trace_count $EVENT_NAME $trace_path 10 |
| 384 | |
| 385 | # Clean the output path |
| 386 | clean_path $trace_path |
| 387 | start_lttng_tracing_ok $session_name |
| 388 | |
| 389 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 390 | |
| 391 | # Make sure the subsequent snapshot is empty and valid. |
| 392 | lttng_snapshot_record $session_name |
| 393 | stop_lttng_tracing_ok $session_name |
| 394 | validate_trace_empty $trace_path |
| 395 | |
| 396 | # Clean the output path |
| 397 | clean_path $trace_path |
| 398 | start_lttng_tracing_ok $session_name |
| 399 | |
| 400 | # Make sure that everything still works, generate events and take a |
| 401 | # snapshot. |
| 402 | echo -n "10" > /proc/lttng-test-filter-event |
| 403 | lttng_snapshot_record $session_name |
| 404 | stop_lttng_tracing_ok $session_name |
| 405 | validate_trace_count $EVENT_NAME $trace_path 10 |
| 406 | } |
| 407 | |
| 408 | function test_kernel_streaming_snapshot () |
| 409 | { |
| 410 | local tracing_active=$1 |
| 411 | local clear_twice=$2 |
| 412 | |
| 413 | diag "Test kernel streaming snapshot clear" |
| 414 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 415 | |
| 416 | create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot" |
| 417 | do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice |
| 418 | destroy_lttng_session_ok $SESSION_NAME |
| 419 | } |
| 420 | |
| 421 | function test_kernel_local_snapshot () |
| 422 | { |
| 423 | local tracing_active=$1 |
| 424 | local clear_twice=$2 |
| 425 | |
| 426 | diag "Test kernel local snapshot clear" |
| 427 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 428 | |
| 429 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot" |
| 430 | do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice |
| 431 | destroy_lttng_session_ok $SESSION_NAME |
| 432 | } |
| 433 | |
| 434 | function test_kernel_streaming_tracefile_rotation () |
| 435 | { |
| 436 | local tracing_active=$1 |
| 437 | local clear_twice=$2 |
| 438 | local rotate_before=$3 |
| 439 | local rotate_after=$4 |
| 440 | local channel_name="rotchan" |
| 441 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 442 | |
| 443 | diag "Test kernel streaming clear with tracefile rotation" |
| 444 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 445 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 446 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \ |
| 447 | --tracefile-size=$PAGE_SIZE --tracefile-count=2 |
| 448 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 449 | start_lttng_tracing_ok $SESSION_NAME |
| 450 | echo -n "10" > /proc/lttng-test-filter-event |
| 451 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 452 | stop_lttng_tracing_ok $SESSION_NAME |
| 453 | |
| 454 | if [[ $rotate_before -eq 1 ]]; then |
| 455 | validate_trace_count $EVENT_NAME $local_path 10 |
| 456 | else |
| 457 | validate_trace_empty $local_path |
| 458 | fi |
| 459 | |
| 460 | start_lttng_tracing_ok $SESSION_NAME |
| 461 | echo -n "20" > /proc/lttng-test-filter-event |
| 462 | stop_lttng_tracing_ok |
| 463 | |
| 464 | if [[ $rotate_before -eq 1 ]]; then |
| 465 | validate_trace_count $EVENT_NAME $local_path 30 |
| 466 | else |
| 467 | validate_trace_count $EVENT_NAME $local_path 20 |
| 468 | fi |
| 469 | |
| 470 | destroy_lttng_session_ok $SESSION_NAME |
| 471 | } |
| 472 | |
| 473 | # With 1 byte per event (as strict minimum), generating 200000 events |
| 474 | # guarantees filling up 2 files of 64k in size, which is the maximum |
| 475 | # page size known on Linux |
| 476 | function test_kernel_streaming_tracefile_rotation_overwrite_files () |
| 477 | { |
| 478 | local tracing_active=$1 |
| 479 | local clear_twice=$2 |
| 480 | local rotate_before=$3 |
| 481 | local rotate_after=$4 |
| 482 | local channel_name="rotchan" |
| 483 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 484 | |
| 485 | diag "Test kernel streaming clear with tracefile rotation, overwrite files" |
| 486 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 487 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 488 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \ |
| 489 | --tracefile-size=$PAGE_SIZE --tracefile-count=2 |
| 490 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 491 | start_lttng_tracing_ok $SESSION_NAME |
| 492 | taskset -c "$(get_any_available_cpu)" echo -n "200000" > /proc/lttng-test-filter-event |
| 493 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 494 | stop_lttng_tracing_ok $SESSION_NAME |
| 495 | |
| 496 | if [[ $rotate_before -eq 1 ]]; then |
| 497 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000 |
| 498 | else |
| 499 | validate_trace_empty $local_path |
| 500 | fi |
| 501 | |
| 502 | start_lttng_tracing_ok $SESSION_NAME |
| 503 | taskset -c "$(get_any_available_cpu)" echo -n "400000" > /proc/lttng-test-filter-event |
| 504 | stop_lttng_tracing_ok |
| 505 | |
| 506 | if [[ $rotate_before -eq 1 ]]; then |
| 507 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 600000 |
| 508 | else |
| 509 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000 |
| 510 | fi |
| 511 | |
| 512 | destroy_lttng_session_ok $SESSION_NAME |
| 513 | } |
| 514 | |
| 515 | function test_kernel_disallow_clear () |
| 516 | { |
| 517 | diag "Test kernel disallow clear on relay daemon" |
| 518 | SESSION_NAME=$(randstring 16 0) |
| 519 | |
| 520 | LTTNG_RELAYD_DISALLOW_CLEAR=1 start_lttng_relayd "-o $TRACE_PATH" |
| 521 | |
| 522 | start_lttng_sessiond |
| 523 | |
| 524 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 525 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 526 | start_lttng_tracing_ok $SESSION_NAME |
| 527 | lttng_clear_session_fail $SESSION_NAME |
| 528 | destroy_lttng_session_ok $SESSION_NAME |
| 529 | |
| 530 | stop_lttng_sessiond |
| 531 | stop_lttng_relayd |
| 532 | clean_path $TRACE_PATH |
| 533 | } |
| 534 | |
| 535 | plan_tests $NUM_TESTS |
| 536 | |
| 537 | print_test_banner "$TEST_DESC" |
| 538 | |
| 539 | bail_out_if_no_babeltrace |
| 540 | |
| 541 | streaming_tests=(test_kernel_streaming |
| 542 | test_kernel_streaming_rotate_clear |
| 543 | test_kernel_streaming_clear_rotate |
| 544 | test_kernel_streaming_tracefile_rotation |
| 545 | test_kernel_streaming_tracefile_rotation_overwrite_files |
| 546 | ) |
| 547 | |
| 548 | live_tests=(test_kernel_streaming_live |
| 549 | test_kernel_basic_streaming_live_viewer |
| 550 | test_kernel_streaming_live_viewer |
| 551 | ) |
| 552 | |
| 553 | local_tests=(test_kernel_local |
| 554 | test_kernel_local_rotate_clear |
| 555 | test_kernel_local_clear_rotate |
| 556 | ) |
| 557 | |
| 558 | snapshot_tests=(test_kernel_streaming_snapshot |
| 559 | test_kernel_local_snapshot |
| 560 | ) |
| 561 | |
| 562 | check_skip_kernel_test "$NUM_TESTS" "Skipping kernel streaming tests." || |
| 563 | { |
| 564 | trap signal_cleanup SIGTERM SIGINT |
| 565 | |
| 566 | validate_lttng_modules_present |
| 567 | |
| 568 | start_lttng_relayd "-o $TRACE_PATH" |
| 569 | start_lttng_sessiond |
| 570 | modprobe lttng-test |
| 571 | |
| 572 | # Clear with tracing active, clear once |
| 573 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 574 | do |
| 575 | SESSION_NAME=$(randstring 16 0) |
| 576 | ${fct_test} 1 0 0 0 |
| 577 | clean_path $TRACE_PATH |
| 578 | done |
| 579 | |
| 580 | # Clear with tracing active, clear twice |
| 581 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 582 | do |
| 583 | SESSION_NAME=$(randstring 16 0) |
| 584 | ${fct_test} 1 1 0 0 |
| 585 | clean_path $TRACE_PATH |
| 586 | done |
| 587 | |
| 588 | # Clear with tracing inactive, clear once |
| 589 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 590 | do |
| 591 | SESSION_NAME=$(randstring 16 0) |
| 592 | ${fct_test} 0 0 0 0 |
| 593 | clean_path $TRACE_PATH |
| 594 | done |
| 595 | |
| 596 | # Clear with tracing inactive, clear twice |
| 597 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 598 | do |
| 599 | SESSION_NAME=$(randstring 16 0) |
| 600 | ${fct_test} 0 1 0 0 |
| 601 | clean_path $TRACE_PATH |
| 602 | done |
| 603 | |
| 604 | # Clear with tracing inactive, rotate-clear once |
| 605 | for fct_test in ${streaming_tests[@]} ${local_tests[@]}; |
| 606 | do |
| 607 | SESSION_NAME=$(randstring 16 0) |
| 608 | ${fct_test} 0 0 1 0 |
| 609 | clean_path $TRACE_PATH |
| 610 | done |
| 611 | |
| 612 | # Clear with tracing inactive, clear once-rotate(fail) |
| 613 | for fct_test in ${streaming_tests[@]} ${local_tests[@]}; |
| 614 | do |
| 615 | SESSION_NAME=$(randstring 16 0) |
| 616 | ${fct_test} 0 0 0 1 |
| 617 | clean_path $TRACE_PATH |
| 618 | done |
| 619 | |
| 620 | modprobe --remove lttng-test |
| 621 | stop_lttng_sessiond |
| 622 | stop_lttng_relayd |
| 623 | |
| 624 | test_kernel_disallow_clear |
| 625 | } |
| 626 | |
| 627 | clean_path $TRACE_PATH |