| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
| 4 | # |
| 5 | # This library is free software; you can redistribute it and/or modify it under |
| 6 | # the terms of the GNU Lesser General Public License as published by the Free |
| 7 | # Software Foundation; version 2.1 of the License. |
| 8 | # |
| 9 | # This library is distributed in the hope that it will be useful, but WITHOUT |
| 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 11 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
| 12 | # details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU Lesser General Public License |
| 15 | # along with this library; if not, write to the Free Software Foundation, Inc., |
| 16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | |
| 18 | TEST_DESC="Clear - Kernel tracing" |
| 19 | |
| 20 | CURDIR=$(dirname $0)/ |
| 21 | TESTDIR=$CURDIR/../../.. |
| 22 | EVENT_NAME="lttng_test_filter_event" |
| 23 | |
| 24 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 25 | TRACE_PATH=$(mktemp -d) |
| 26 | |
| 27 | NUM_TESTS=837 |
| 28 | |
| 29 | source $TESTDIR/utils/utils.sh |
| 30 | |
| 31 | function signal_cleanup () |
| 32 | { |
| 33 | stop_lttng_sessiond |
| 34 | modprobe -r lttng-test |
| 35 | full_cleanup |
| 36 | } |
| 37 | |
| 38 | function clean_path () |
| 39 | { |
| 40 | local trace_path=$1 |
| 41 | set -u |
| 42 | rm -rf $trace_path/* |
| 43 | set +u |
| 44 | } |
| 45 | |
| 46 | function cond_start_tracing () |
| 47 | { |
| 48 | local session_name=$1 |
| 49 | local tracing_active=$2 |
| 50 | |
| 51 | if [[ $tracing_active -ne 1 ]]; then |
| 52 | start_lttng_tracing_ok $session_name |
| 53 | fi |
| 54 | } |
| 55 | |
| 56 | function cond_stop_tracing () |
| 57 | { |
| 58 | local session_name=$1 |
| 59 | local tracing_active=$2 |
| 60 | |
| 61 | if [[ $tracing_active -ne 1 ]]; then |
| 62 | stop_lttng_tracing_ok $session_name |
| 63 | fi |
| 64 | } |
| 65 | |
| 66 | function do_clear_session () |
| 67 | { |
| 68 | local session_name=$1 |
| 69 | local tracing_active=$2 |
| 70 | local clear_twice=$3 |
| 71 | local rotate_before=$4 |
| 72 | local rotate_after=$5 |
| 73 | |
| 74 | cond_stop_tracing $session_name $tracing_active |
| 75 | if [[ $rotate_before -eq 1 ]]; then |
| 76 | rotate_session_ok $SESSION_NAME |
| 77 | fi |
| 78 | lttng_clear_session_ok $SESSION_NAME |
| 79 | if [[ $clear_twice -eq 1 ]]; then |
| 80 | lttng_clear_session_ok $SESSION_NAME |
| 81 | fi |
| 82 | if [[ $rotate_after -eq 1 ]]; then |
| 83 | if [[ $tracing_active -eq 1 ]]; then |
| 84 | rotate_session_ok $SESSION_NAME |
| 85 | else |
| 86 | # Expect failure |
| 87 | rotate_session_fail $SESSION_NAME |
| 88 | fi |
| 89 | fi |
| 90 | cond_start_tracing $session_name $tracing_active |
| 91 | } |
| 92 | |
| 93 | function test_kernel_streaming () |
| 94 | { |
| 95 | local tracing_active=$1 |
| 96 | local clear_twice=$2 |
| 97 | local rotate_before=$3 |
| 98 | local rotate_after=$4 |
| 99 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 100 | |
| 101 | diag "Test kernel streaming clear" |
| 102 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 103 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 104 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 105 | start_lttng_tracing_ok $SESSION_NAME |
| 106 | # Generate 10 events that will sit in the buffers. |
| 107 | echo -n "10" > /proc/lttng-test-filter-event |
| 108 | |
| 109 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 110 | |
| 111 | stop_lttng_tracing_ok $SESSION_NAME |
| 112 | |
| 113 | if [[ $rotate_before -eq 1 ]]; then |
| 114 | validate_trace_count $EVENT_NAME $local_path 10 |
| 115 | else |
| 116 | validate_trace_empty $local_path |
| 117 | fi |
| 118 | |
| 119 | destroy_lttng_session_ok $SESSION_NAME |
| 120 | } |
| 121 | |
| 122 | function test_kernel_streaming_rotate_clear () |
| 123 | { |
| 124 | local tracing_active=$1 |
| 125 | local clear_twice=$2 |
| 126 | local rotate_before=$3 |
| 127 | local rotate_after=$4 |
| 128 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 129 | |
| 130 | diag "Test kernel streaming rotate-clear" |
| 131 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 132 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 133 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 134 | start_lttng_tracing_ok $SESSION_NAME |
| 135 | echo -n "1" > /proc/lttng-test-filter-event |
| 136 | rotate_session_ok $SESSION_NAME |
| 137 | echo -n "2" > /proc/lttng-test-filter-event |
| 138 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 139 | echo -n "3" > /proc/lttng-test-filter-event |
| 140 | |
| 141 | stop_lttng_tracing_ok $SESSION_NAME |
| 142 | |
| 143 | if [[ $rotate_before -eq 1 ]]; then |
| 144 | local expect_count=6 |
| 145 | else |
| 146 | local expect_count=4 |
| 147 | fi |
| 148 | validate_trace_count $EVENT_NAME $local_path $expect_count |
| 149 | |
| 150 | destroy_lttng_session_ok $SESSION_NAME |
| 151 | } |
| 152 | |
| 153 | function test_kernel_streaming_clear_rotate() |
| 154 | { |
| 155 | local tracing_active=$1 |
| 156 | local clear_twice=$2 |
| 157 | local rotate_before=$3 |
| 158 | local rotate_after=$4 |
| 159 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 160 | |
| 161 | diag "Test kernel streaming clear-rotate" |
| 162 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 163 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 164 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 165 | start_lttng_tracing_ok $SESSION_NAME |
| 166 | echo -n "1" > /proc/lttng-test-filter-event |
| 167 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 168 | echo -n "2" > /proc/lttng-test-filter-event |
| 169 | rotate_session_ok $SESSION_NAME |
| 170 | echo -n "3" > /proc/lttng-test-filter-event |
| 171 | |
| 172 | stop_lttng_tracing_ok $SESSION_NAME |
| 173 | |
| 174 | if [[ $rotate_before -eq 1 ]]; then |
| 175 | local expect_count=6 |
| 176 | else |
| 177 | local expect_count=5 |
| 178 | fi |
| 179 | validate_trace_count $EVENT_NAME $local_path $expect_count |
| 180 | |
| 181 | destroy_lttng_session_ok $SESSION_NAME |
| 182 | } |
| 183 | |
| 184 | function test_kernel_streaming_live () |
| 185 | { |
| 186 | local tracing_active=$1 |
| 187 | local clear_twice=$2 |
| 188 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 189 | |
| 190 | diag "Test kernel streaming live clear" |
| 191 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 192 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 193 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 194 | start_lttng_tracing_ok $SESSION_NAME |
| 195 | # Generate 10 events that will sit in the buffers. |
| 196 | echo -n "10" > /proc/lttng-test-filter-event |
| 197 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 198 | stop_lttng_tracing_ok $SESSION_NAME |
| 199 | |
| 200 | validate_trace_empty $local_path |
| 201 | |
| 202 | destroy_lttng_session_ok $SESSION_NAME |
| 203 | } |
| 204 | |
| 205 | #no clear |
| 206 | function test_kernel_basic_streaming_live_viewer () |
| 207 | { |
| 208 | local tracing_active=$1 |
| 209 | local clear_twice=$2 |
| 210 | # 3, 4 unused |
| 211 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 212 | local remote_trace_path="${HOSTNAME}/${SESSION_NAME}" |
| 213 | local channel_name="chan" |
| 214 | local bt_output_path=$(mktemp -u) |
| 215 | local file_sync_before_exit=$(mktemp -u) |
| 216 | |
| 217 | diag "Test kernel basic streaming live with viewer" |
| 218 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 219 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 220 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name |
| 221 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 222 | start_lttng_tracing_ok $SESSION_NAME |
| 223 | |
| 224 | wait_live_trace_ready net://localhost |
| 225 | |
| 226 | # Connect a live viewer |
| 227 | $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path & |
| 228 | local viewer_pid=$! |
| 229 | |
| 230 | wait_live_viewer_connect net://localhost |
| 231 | |
| 232 | echo -n "10" > /proc/lttng-test-filter-event |
| 233 | |
| 234 | diag "Wait until viewer sees all 10 expected events" |
| 235 | local evcount=0 |
| 236 | while [ $evcount -ne 10 ]; do |
| 237 | evcount=$(cat $bt_output_path | wc -l) |
| 238 | sleep 0.5 |
| 239 | done |
| 240 | pass "Live viewer read $evcount events, expect 10" |
| 241 | |
| 242 | destroy_lttng_session_ok $SESSION_NAME |
| 243 | touch $file_sync_before_exit |
| 244 | diag "Wait for viewer to exit" |
| 245 | wait $viewer_pid |
| 246 | ok $? "Babeltrace succeeds" |
| 247 | pass "Wait for viewer to exit" |
| 248 | |
| 249 | rm -f $bt_output_path |
| 250 | rm -f $file_sync_before_exit |
| 251 | } |
| 252 | |
| 253 | function test_kernel_streaming_live_viewer () |
| 254 | { |
| 255 | local tracing_active=$1 |
| 256 | local clear_twice=$2 |
| 257 | # 3, 4 unused |
| 258 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 259 | local remote_trace_path="${HOSTNAME}/${SESSION_NAME}" |
| 260 | local channel_name="chan" |
| 261 | local bt_output_path=$(mktemp -d)/bt-output.txt |
| 262 | |
| 263 | diag "Test kernel streaming live clear with viewer" |
| 264 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 265 | create_lttng_session_uri $SESSION_NAME net://localhost "--live" |
| 266 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name |
| 267 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 268 | start_lttng_tracing_ok $SESSION_NAME |
| 269 | |
| 270 | wait_live_trace_ready net://localhost |
| 271 | |
| 272 | # Connect a live viewer |
| 273 | $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path & |
| 274 | local viewer_pid=$! |
| 275 | |
| 276 | wait_live_viewer_connect net://localhost |
| 277 | |
| 278 | echo -n "10" > /proc/lttng-test-filter-event |
| 279 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 280 | stop_lttng_tracing_ok $SESSION_NAME |
| 281 | |
| 282 | destroy_lttng_session_ok $SESSION_NAME |
| 283 | diag "Wait for viewer to exit" |
| 284 | wait $viewer_pid |
| 285 | ok $? "Babeltrace succeeds" |
| 286 | pass "Wait for viewer to exit" |
| 287 | |
| 288 | clean_path $bt_output_path |
| 289 | } |
| 290 | |
| 291 | function test_kernel_local () |
| 292 | { |
| 293 | local tracing_active=$1 |
| 294 | local clear_twice=$2 |
| 295 | local rotate_before=$3 |
| 296 | local rotate_after=$4 |
| 297 | |
| 298 | diag "Test kernel local" |
| 299 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 300 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 301 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 302 | start_lttng_tracing_ok $SESSION_NAME |
| 303 | # Generate 10 events that will sit in the buffers. |
| 304 | echo -n "10" > /proc/lttng-test-filter-event |
| 305 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 306 | stop_lttng_tracing_ok $SESSION_NAME |
| 307 | |
| 308 | if [[ $rotate_before -eq 1 ]]; then |
| 309 | validate_trace_count $EVENT_NAME $TRACE_PATH 10 |
| 310 | else |
| 311 | validate_trace_empty $TRACE_PATH |
| 312 | fi |
| 313 | |
| 314 | destroy_lttng_session_ok $SESSION_NAME |
| 315 | } |
| 316 | |
| 317 | function test_kernel_local_rotate_clear () |
| 318 | { |
| 319 | local tracing_active=$1 |
| 320 | local clear_twice=$2 |
| 321 | local rotate_before=$3 |
| 322 | local rotate_after=$4 |
| 323 | |
| 324 | diag "Test kernel local rotate-clear" |
| 325 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 326 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 327 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 328 | start_lttng_tracing_ok $SESSION_NAME |
| 329 | echo -n "1" > /proc/lttng-test-filter-event |
| 330 | rotate_session_ok $SESSION_NAME |
| 331 | echo -n "2" > /proc/lttng-test-filter-event |
| 332 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 333 | echo -n "3" > /proc/lttng-test-filter-event |
| 334 | stop_lttng_tracing_ok $SESSION_NAME |
| 335 | |
| 336 | if [[ $rotate_before -eq 1 ]]; then |
| 337 | local expect_count=6 |
| 338 | else |
| 339 | local expect_count=4 |
| 340 | fi |
| 341 | validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count |
| 342 | |
| 343 | destroy_lttng_session_ok $SESSION_NAME |
| 344 | } |
| 345 | |
| 346 | function test_kernel_local_clear_rotate() |
| 347 | { |
| 348 | local tracing_active=$1 |
| 349 | local clear_twice=$2 |
| 350 | local rotate_before=$3 |
| 351 | local rotate_after=$4 |
| 352 | |
| 353 | diag "Test kernel local clear-rotate" |
| 354 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 355 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 356 | lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME |
| 357 | start_lttng_tracing_ok $SESSION_NAME |
| 358 | echo -n "1" > /proc/lttng-test-filter-event |
| 359 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 360 | echo -n "2" > /proc/lttng-test-filter-event |
| 361 | rotate_session_ok $SESSION_NAME |
| 362 | echo -n "3" > /proc/lttng-test-filter-event |
| 363 | stop_lttng_tracing_ok $SESSION_NAME |
| 364 | |
| 365 | if [[ $rotate_before -eq 1 ]]; then |
| 366 | local expect_count=6 |
| 367 | else |
| 368 | local expect_count=5 |
| 369 | fi |
| 370 | validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count |
| 371 | |
| 372 | destroy_lttng_session_ok $SESSION_NAME |
| 373 | } |
| 374 | |
| 375 | function do_kernel_snapshot () |
| 376 | { |
| 377 | local session_name=$1 |
| 378 | local trace_path=$2 |
| 379 | local tracing_active=$3 |
| 380 | local clear_twice=$4 |
| 381 | local rotate_before=$5 |
| 382 | local rotate_after=$6 |
| 383 | |
| 384 | lttng_enable_kernel_event $session_name $EVENT_NAME |
| 385 | start_lttng_tracing_ok $session_name |
| 386 | |
| 387 | # Generate 10 events that will sit in the buffers. |
| 388 | echo -n "10" > /proc/lttng-test-filter-event |
| 389 | |
| 390 | # Take a first snapshot and validate that the events are present. |
| 391 | lttng_snapshot_record $session_name |
| 392 | stop_lttng_tracing_ok $session_name |
| 393 | validate_trace_count $EVENT_NAME $trace_path 10 |
| 394 | |
| 395 | # Clean the output path |
| 396 | clean_path $trace_path |
| 397 | start_lttng_tracing_ok $session_name |
| 398 | |
| 399 | do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0 |
| 400 | |
| 401 | # Make sure the subsequent snapshot is empty and valid. |
| 402 | lttng_snapshot_record $session_name |
| 403 | stop_lttng_tracing_ok $session_name |
| 404 | validate_trace_empty $trace_path |
| 405 | |
| 406 | # Clean the output path |
| 407 | clean_path $trace_path |
| 408 | start_lttng_tracing_ok $session_name |
| 409 | |
| 410 | # Make sure that everything still works, generate events and take a |
| 411 | # snapshot. |
| 412 | echo -n "10" > /proc/lttng-test-filter-event |
| 413 | lttng_snapshot_record $session_name |
| 414 | stop_lttng_tracing_ok $session_name |
| 415 | validate_trace_count $EVENT_NAME $trace_path 10 |
| 416 | } |
| 417 | |
| 418 | function test_kernel_streaming_snapshot () |
| 419 | { |
| 420 | local tracing_active=$1 |
| 421 | local clear_twice=$2 |
| 422 | |
| 423 | diag "Test kernel streaming snapshot clear" |
| 424 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 425 | |
| 426 | create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot" |
| 427 | do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice |
| 428 | destroy_lttng_session_ok $SESSION_NAME |
| 429 | } |
| 430 | |
| 431 | function test_kernel_local_snapshot () |
| 432 | { |
| 433 | local tracing_active=$1 |
| 434 | local clear_twice=$2 |
| 435 | |
| 436 | diag "Test kernel local snapshot clear" |
| 437 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice" |
| 438 | |
| 439 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot" |
| 440 | do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice |
| 441 | destroy_lttng_session_ok $SESSION_NAME |
| 442 | } |
| 443 | |
| 444 | function test_kernel_streaming_tracefile_rotation () |
| 445 | { |
| 446 | local tracing_active=$1 |
| 447 | local clear_twice=$2 |
| 448 | local rotate_before=$3 |
| 449 | local rotate_after=$4 |
| 450 | local channel_name="rotchan" |
| 451 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 452 | |
| 453 | diag "Test kernel streaming clear with tracefile rotation" |
| 454 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 455 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 456 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \ |
| 457 | --tracefile-size=$PAGE_SIZE --tracefile-count=2 |
| 458 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 459 | start_lttng_tracing_ok $SESSION_NAME |
| 460 | echo -n "10" > /proc/lttng-test-filter-event |
| 461 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 462 | stop_lttng_tracing_ok $SESSION_NAME |
| 463 | |
| 464 | if [[ $rotate_before -eq 1 ]]; then |
| 465 | validate_trace_count $EVENT_NAME $local_path 10 |
| 466 | else |
| 467 | validate_trace_empty $local_path |
| 468 | fi |
| 469 | |
| 470 | start_lttng_tracing_ok $SESSION_NAME |
| 471 | echo -n "20" > /proc/lttng-test-filter-event |
| 472 | stop_lttng_tracing_ok |
| 473 | |
| 474 | if [[ $rotate_before -eq 1 ]]; then |
| 475 | validate_trace_count $EVENT_NAME $local_path 30 |
| 476 | else |
| 477 | validate_trace_count $EVENT_NAME $local_path 20 |
| 478 | fi |
| 479 | |
| 480 | destroy_lttng_session_ok $SESSION_NAME |
| 481 | } |
| 482 | |
| 483 | # With 1 byte per event (as strict minimum), generating 200000 events |
| 484 | # guarantees filling up 2 files of 64k in size, which is the maximum |
| 485 | # page size known on Linux |
| 486 | function test_kernel_streaming_tracefile_rotation_overwrite_files () |
| 487 | { |
| 488 | local tracing_active=$1 |
| 489 | local clear_twice=$2 |
| 490 | local rotate_before=$3 |
| 491 | local rotate_after=$4 |
| 492 | local channel_name="rotchan" |
| 493 | local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" |
| 494 | |
| 495 | diag "Test kernel streaming clear with tracefile rotation, overwrite files" |
| 496 | diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after" |
| 497 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 498 | enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \ |
| 499 | --tracefile-size=$PAGE_SIZE --tracefile-count=2 |
| 500 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name |
| 501 | start_lttng_tracing_ok $SESSION_NAME |
| 502 | taskset -c 0 echo -n "200000" > /proc/lttng-test-filter-event |
| 503 | do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after |
| 504 | stop_lttng_tracing_ok $SESSION_NAME |
| 505 | |
| 506 | if [[ $rotate_before -eq 1 ]]; then |
| 507 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000 |
| 508 | else |
| 509 | validate_trace_empty $local_path |
| 510 | fi |
| 511 | |
| 512 | start_lttng_tracing_ok $SESSION_NAME |
| 513 | taskset -c 0 echo -n "400000" > /proc/lttng-test-filter-event |
| 514 | stop_lttng_tracing_ok |
| 515 | |
| 516 | if [[ $rotate_before -eq 1 ]]; then |
| 517 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 600000 |
| 518 | else |
| 519 | validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000 |
| 520 | fi |
| 521 | |
| 522 | destroy_lttng_session_ok $SESSION_NAME |
| 523 | } |
| 524 | |
| 525 | function test_kernel_disallow_clear () |
| 526 | { |
| 527 | diag "Test kernel disallow clear on relay daemon" |
| 528 | SESSION_NAME=$(randstring 16 0) |
| 529 | |
| 530 | LTTNG_RELAYD_DISALLOW_CLEAR=1 start_lttng_relayd "-o $TRACE_PATH" |
| 531 | |
| 532 | start_lttng_sessiond |
| 533 | |
| 534 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 535 | enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 536 | start_lttng_tracing_ok $SESSION_NAME |
| 537 | lttng_clear_session_fail $SESSION_NAME |
| 538 | destroy_lttng_session_ok $SESSION_NAME |
| 539 | |
| 540 | stop_lttng_sessiond |
| 541 | stop_lttng_relayd |
| 542 | clean_path $TRACE_PATH |
| 543 | } |
| 544 | |
| 545 | plan_tests $NUM_TESTS |
| 546 | |
| 547 | print_test_banner "$TEST_DESC" |
| 548 | |
| 549 | if [ "$(id -u)" == "0" ]; then |
| 550 | isroot=1 |
| 551 | else |
| 552 | isroot=0 |
| 553 | fi |
| 554 | |
| 555 | streaming_tests=(test_kernel_streaming |
| 556 | test_kernel_streaming_rotate_clear |
| 557 | test_kernel_streaming_clear_rotate |
| 558 | test_kernel_streaming_tracefile_rotation |
| 559 | test_kernel_streaming_tracefile_rotation_overwrite_files |
| 560 | ) |
| 561 | |
| 562 | live_tests=(test_kernel_streaming_live |
| 563 | test_kernel_basic_streaming_live_viewer |
| 564 | test_kernel_streaming_live_viewer |
| 565 | ) |
| 566 | |
| 567 | local_tests=(test_kernel_local |
| 568 | test_kernel_local_rotate_clear |
| 569 | test_kernel_local_clear_rotate |
| 570 | ) |
| 571 | |
| 572 | snapshot_tests=(test_kernel_streaming_snapshot |
| 573 | test_kernel_local_snapshot |
| 574 | ) |
| 575 | |
| 576 | skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS || |
| 577 | { |
| 578 | trap signal_cleanup SIGTERM SIGINT |
| 579 | |
| 580 | validate_lttng_modules_present |
| 581 | |
| 582 | start_lttng_relayd "-o $TRACE_PATH" |
| 583 | start_lttng_sessiond |
| 584 | modprobe lttng-test |
| 585 | |
| 586 | # Clear with tracing active, clear once |
| 587 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 588 | do |
| 589 | SESSION_NAME=$(randstring 16 0) |
| 590 | ${fct_test} 1 0 0 0 |
| 591 | clean_path $TRACE_PATH |
| 592 | done |
| 593 | |
| 594 | # Clear with tracing active, clear twice |
| 595 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 596 | do |
| 597 | SESSION_NAME=$(randstring 16 0) |
| 598 | ${fct_test} 1 1 0 0 |
| 599 | clean_path $TRACE_PATH |
| 600 | done |
| 601 | |
| 602 | # Clear with tracing inactive, clear once |
| 603 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 604 | do |
| 605 | SESSION_NAME=$(randstring 16 0) |
| 606 | ${fct_test} 0 0 0 0 |
| 607 | clean_path $TRACE_PATH |
| 608 | done |
| 609 | |
| 610 | # Clear with tracing inactive, clear twice |
| 611 | for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]}; |
| 612 | do |
| 613 | SESSION_NAME=$(randstring 16 0) |
| 614 | ${fct_test} 0 1 0 0 |
| 615 | clean_path $TRACE_PATH |
| 616 | done |
| 617 | |
| 618 | # Clear with tracing inactive, rotate-clear once |
| 619 | for fct_test in ${streaming_tests[@]} ${local_tests[@]}; |
| 620 | do |
| 621 | SESSION_NAME=$(randstring 16 0) |
| 622 | ${fct_test} 0 0 1 0 |
| 623 | clean_path $TRACE_PATH |
| 624 | done |
| 625 | |
| 626 | # Clear with tracing inactive, clear once-rotate(fail) |
| 627 | for fct_test in ${streaming_tests[@]} ${local_tests[@]}; |
| 628 | do |
| 629 | SESSION_NAME=$(randstring 16 0) |
| 630 | ${fct_test} 0 0 0 1 |
| 631 | clean_path $TRACE_PATH |
| 632 | done |
| 633 | |
| 634 | rmmod lttng-test |
| 635 | stop_lttng_sessiond |
| 636 | stop_lttng_relayd |
| 637 | |
| 638 | test_kernel_disallow_clear |
| 639 | } |
| 640 | |
| 641 | clean_path $TRACE_PATH |