| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com> |
| 4 | # Copyright (C) - 2014 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="Kernel tracer - System calls" |
| 20 | |
| 21 | CURDIR=$(dirname $0)/ |
| 22 | TESTDIR=$CURDIR/../.. |
| 23 | NUM_TESTS=183 |
| 24 | |
| 25 | # `gen-syscall-event` starts and waits for the creation a file passed by |
| 26 | # arguments to start executing 3 syscalls (open,read,close) and returning. |
| 27 | TESTCMD="$TESTDIR/utils/testapp/gen-syscall-events/gen-syscall-events" |
| 28 | |
| 29 | source $TESTDIR/utils/utils.sh |
| 30 | |
| 31 | function trace_testapp() |
| 32 | { |
| 33 | local start_file_sync |
| 34 | start_file_sync=$(mktemp -u) |
| 35 | |
| 36 | # Clear all entries from the resource tracker |
| 37 | lttng_untrack_kernel_all_ok |
| 38 | |
| 39 | # Launch the testapp and save its Process ID |
| 40 | ./"$TESTCMD" "$start_file_sync" & |
| 41 | PID=$! |
| 42 | |
| 43 | # Set LTTng to track this PID and start the tracing |
| 44 | lttng_track_pid_ok $PID |
| 45 | |
| 46 | start_lttng_tracing_ok |
| 47 | |
| 48 | # Create start file to launch the execution of the workload by the |
| 49 | # test app |
| 50 | touch "$start_file_sync" |
| 51 | |
| 52 | wait $PID |
| 53 | |
| 54 | stop_lttng_tracing_ok |
| 55 | |
| 56 | # Clean up the synchronization file |
| 57 | rm -f "$start_file_sync" |
| 58 | } |
| 59 | |
| 60 | function validate_list() |
| 61 | { |
| 62 | local session_name=$1 |
| 63 | local event_name=$2 |
| 64 | local opt=$3 |
| 65 | |
| 66 | out=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list $session_name $opt | grep $event_name) |
| 67 | if [ -z "$out" ]; then |
| 68 | fail "Validate syscall listing" |
| 69 | diag "$event_name not found when listing $session_name (opt $opt)" |
| 70 | else |
| 71 | pass "Validate syscall listing. Found $event_name." |
| 72 | fi |
| 73 | } |
| 74 | |
| 75 | function test_syscall_event_list() |
| 76 | { |
| 77 | local EVENT_NAME="getpid" |
| 78 | |
| 79 | diag "Syscall event listing" |
| 80 | |
| 81 | validate_list "" $EVENT_NAME "-k --syscall" |
| 82 | } |
| 83 | |
| 84 | function test_syscall_simple_list() |
| 85 | { |
| 86 | TRACE_PATH=$(mktemp -d) |
| 87 | SESSION_NAME="kernel_syscall_simple_list" |
| 88 | local EVENT_NAME="close" |
| 89 | |
| 90 | diag "Syscall simple listing" |
| 91 | |
| 92 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 93 | |
| 94 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME |
| 95 | |
| 96 | validate_list $SESSION_NAME $EVENT_NAME |
| 97 | |
| 98 | trace_testapp |
| 99 | |
| 100 | # ensure all events are in the trace. |
| 101 | validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH |
| 102 | validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 103 | |
| 104 | # ensure trace only contains those. |
| 105 | validate_trace_only_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME: -e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 106 | |
| 107 | destroy_lttng_session_ok $SESSION_NAME |
| 108 | |
| 109 | rm -rf $TRACE_PATH |
| 110 | } |
| 111 | |
| 112 | function test_syscall_simple_list_two() |
| 113 | { |
| 114 | TRACE_PATH=$(mktemp -d) |
| 115 | SESSION_NAME="kernel_syscall_simple_list_two" |
| 116 | local EVENT_NAME="close" |
| 117 | local EVENT_NAME2="read" |
| 118 | |
| 119 | diag "Syscall simple listing" |
| 120 | |
| 121 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 122 | |
| 123 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME |
| 124 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME2 |
| 125 | |
| 126 | validate_list $SESSION_NAME $EVENT_NAME |
| 127 | validate_list $SESSION_NAME $EVENT_NAME2 |
| 128 | |
| 129 | trace_testapp |
| 130 | |
| 131 | # ensure all events are in the trace. |
| 132 | validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH |
| 133 | validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 134 | |
| 135 | validate_trace_exp "-e syscall_entry_$EVENT_NAME2: -e compat_syscall_entry_$EVENT_NAME2:" $TRACE_PATH |
| 136 | validate_trace_exp "-e syscall_exit_$EVENT_NAME2: -e compat_syscall_exit_$EVENT_NAME2:" $TRACE_PATH |
| 137 | |
| 138 | # ensure trace only contains those. |
| 139 | validate_trace_only_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME: -e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME: -e syscall_entry_$EVENT_NAME2: -e compat_syscall_entry_$EVENT_NAME2: -e syscall_exit_$EVENT_NAME2: -e compat_syscall_exit_$EVENT_NAME2:" $TRACE_PATH |
| 140 | |
| 141 | destroy_lttng_session_ok $SESSION_NAME |
| 142 | |
| 143 | rm -rf $TRACE_PATH |
| 144 | } |
| 145 | |
| 146 | function test_syscall_single() |
| 147 | { |
| 148 | TRACE_PATH=$(mktemp -d) |
| 149 | SESSION_NAME="kernel_syscall_single" |
| 150 | |
| 151 | diag "Syscall trace single" |
| 152 | |
| 153 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 154 | |
| 155 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 156 | |
| 157 | trace_testapp |
| 158 | |
| 159 | # ensure all events are in the trace. |
| 160 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 161 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 162 | |
| 163 | # ensure trace only contains those. |
| 164 | validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 165 | |
| 166 | destroy_lttng_session_ok $SESSION_NAME |
| 167 | |
| 168 | rm -rf $TRACE_PATH |
| 169 | } |
| 170 | |
| 171 | function test_syscall_two() |
| 172 | { |
| 173 | TRACE_PATH=$(mktemp -d) |
| 174 | SESSION_NAME="kernel_syscall_two" |
| 175 | |
| 176 | diag "Syscall trace two events" |
| 177 | |
| 178 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 179 | |
| 180 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 181 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 182 | |
| 183 | trace_testapp |
| 184 | |
| 185 | # ensure all events are in the trace. |
| 186 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 187 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 188 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 189 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 190 | |
| 191 | # ensure trace only contains those. |
| 192 | validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat: -e syscall_entry_close: -e compat_syscall_entry_close: -e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 193 | |
| 194 | destroy_lttng_session_ok $SESSION_NAME |
| 195 | |
| 196 | rm -rf $TRACE_PATH |
| 197 | } |
| 198 | |
| 199 | function test_syscall_all() |
| 200 | { |
| 201 | TRACE_PATH=$(mktemp -d) |
| 202 | SESSION_NAME="kernel_syscall_all" |
| 203 | |
| 204 | diag "Syscall trace all events" |
| 205 | |
| 206 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 207 | |
| 208 | # enable all syscalls |
| 209 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 210 | |
| 211 | trace_testapp |
| 212 | |
| 213 | # ensure at least open and close are there. |
| 214 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 215 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 216 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 217 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 218 | # trace may contain other syscalls. |
| 219 | |
| 220 | destroy_lttng_session_ok $SESSION_NAME |
| 221 | |
| 222 | rm -rf $TRACE_PATH |
| 223 | } |
| 224 | |
| 225 | function test_syscall_all_disable_one() |
| 226 | { |
| 227 | TRACE_PATH=$(mktemp -d) |
| 228 | SESSION_NAME="kernel_syscall_all_disable_one" |
| 229 | |
| 230 | diag "Syscall trace all events and disable one" |
| 231 | |
| 232 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 233 | |
| 234 | # enable all syscalls |
| 235 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 236 | # try to disable open system call: fails because enabler semantic of |
| 237 | # "all syscalls" is not "the open" system call. |
| 238 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 239 | |
| 240 | trace_testapp |
| 241 | |
| 242 | # ensure "openat" syscall is there. |
| 243 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 244 | |
| 245 | # ensure "close" syscall is there. |
| 246 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 247 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 248 | |
| 249 | destroy_lttng_session_ok $SESSION_NAME |
| 250 | |
| 251 | rm -rf $TRACE_PATH |
| 252 | } |
| 253 | |
| 254 | function test_syscall_all_disable_two() |
| 255 | { |
| 256 | TRACE_PATH=$(mktemp -d) |
| 257 | SESSION_NAME="kernel_syscall_all_disable_two" |
| 258 | |
| 259 | diag "Syscall trace all events and disable two" |
| 260 | |
| 261 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 262 | |
| 263 | # enable all syscalls |
| 264 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 265 | # try to disable open and close system calls: fails because enabler |
| 266 | # semantic of "all syscalls" is not "the open" system call. |
| 267 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 268 | lttng_disable_kernel_syscall_fail $SESSION_NAME "close" |
| 269 | |
| 270 | trace_testapp |
| 271 | |
| 272 | # ensure "openat" syscall is there. |
| 273 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 274 | |
| 275 | # ensure "close" syscall is there. |
| 276 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 277 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 278 | |
| 279 | # ensure "read" syscall is there. |
| 280 | validate_trace_exp "-e syscall_entry_read: -e compat_syscall_entry_read:" $TRACE_PATH |
| 281 | validate_trace_exp "-e syscall_exit_read: -e compat_syscall_exit_read:" $TRACE_PATH |
| 282 | |
| 283 | destroy_lttng_session_ok $SESSION_NAME |
| 284 | |
| 285 | rm -rf $TRACE_PATH |
| 286 | } |
| 287 | |
| 288 | function test_syscall_enable_all_disable_all() |
| 289 | { |
| 290 | TRACE_PATH=$(mktemp -d) |
| 291 | SESSION_NAME="kernel_syscall_enable_all_disable_all" |
| 292 | |
| 293 | diag "Syscall trace all events and disable all" |
| 294 | |
| 295 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 296 | |
| 297 | # enable all system calls |
| 298 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 299 | # disable all system calls |
| 300 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 301 | |
| 302 | trace_testapp |
| 303 | |
| 304 | # ensure nothing has been traced. |
| 305 | validate_trace_empty $TRACE_PATH |
| 306 | |
| 307 | destroy_lttng_session_ok $SESSION_NAME |
| 308 | |
| 309 | rm -rf $TRACE_PATH |
| 310 | } |
| 311 | |
| 312 | function test_syscall_enable_all_disable_all_enable_all() |
| 313 | { |
| 314 | TRACE_PATH=$(mktemp -d) |
| 315 | SESSION_NAME="kernel_syscall_enable_all_disable_all_enable_all" |
| 316 | |
| 317 | diag "Syscall trace all events and enable/disable all" |
| 318 | |
| 319 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 320 | |
| 321 | # enable all system calls |
| 322 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 323 | # disable all system calls |
| 324 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 325 | # enable all system calls |
| 326 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 327 | |
| 328 | trace_testapp |
| 329 | |
| 330 | # ensure at least open and close are there. |
| 331 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 332 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 333 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 334 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 335 | # trace may contain other syscalls. |
| 336 | |
| 337 | destroy_lttng_session_ok $SESSION_NAME |
| 338 | |
| 339 | rm -rf $TRACE_PATH |
| 340 | } |
| 341 | |
| 342 | function test_syscall_enable_all_disable_all_twice() |
| 343 | { |
| 344 | TRACE_PATH=$(mktemp -d) |
| 345 | SESSION_NAME="kernel_syscall_enable_all_disable_all_twice" |
| 346 | |
| 347 | diag "Syscall trace all events and enable/disable all twice" |
| 348 | |
| 349 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 350 | |
| 351 | # enable all system calls |
| 352 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 353 | # disable all system calls |
| 354 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 355 | # enable all system calls |
| 356 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 357 | # disable all system calls |
| 358 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 359 | |
| 360 | trace_testapp |
| 361 | |
| 362 | # ensure nothing has been traced. |
| 363 | validate_trace_empty $TRACE_PATH |
| 364 | |
| 365 | destroy_lttng_session_ok $SESSION_NAME |
| 366 | |
| 367 | rm -rf $TRACE_PATH |
| 368 | } |
| 369 | |
| 370 | function test_syscall_enable_one_disable_one() |
| 371 | { |
| 372 | TRACE_PATH=$(mktemp -d) |
| 373 | SESSION_NAME="kernel_syscall_enable_one_disable_one" |
| 374 | |
| 375 | diag "Syscall trace one event and disable one" |
| 376 | |
| 377 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 378 | |
| 379 | # enable open system call |
| 380 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 381 | # disable open system call |
| 382 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 383 | |
| 384 | trace_testapp |
| 385 | |
| 386 | # ensure nothing has been traced. |
| 387 | validate_trace_empty $TRACE_PATH |
| 388 | |
| 389 | destroy_lttng_session_ok $SESSION_NAME |
| 390 | |
| 391 | rm -rf $TRACE_PATH |
| 392 | } |
| 393 | |
| 394 | function test_syscall_enable_two_disable_two() |
| 395 | { |
| 396 | TRACE_PATH=$(mktemp -d) |
| 397 | SESSION_NAME="kernel_syscall_enable_two_disable_two" |
| 398 | |
| 399 | diag "Syscall trace two events and disable two" |
| 400 | |
| 401 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 402 | |
| 403 | # enable open and close system calls |
| 404 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 405 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 406 | # disable open and close system calls |
| 407 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 408 | lttng_disable_kernel_syscall_ok $SESSION_NAME "close" |
| 409 | |
| 410 | trace_testapp |
| 411 | |
| 412 | # ensure nothing has been traced. |
| 413 | validate_trace_empty $TRACE_PATH |
| 414 | |
| 415 | destroy_lttng_session_ok $SESSION_NAME |
| 416 | |
| 417 | rm -rf $TRACE_PATH |
| 418 | } |
| 419 | |
| 420 | function test_syscall_enable_two_disable_one() |
| 421 | { |
| 422 | TRACE_PATH=$(mktemp -d) |
| 423 | SESSION_NAME="kernel_syscall_enable_two_disable_one" |
| 424 | |
| 425 | diag "Syscall trace two events and disable one" |
| 426 | |
| 427 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 428 | |
| 429 | # enable open and close system calls |
| 430 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 431 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 432 | # disable close system call |
| 433 | lttng_disable_kernel_syscall_ok $SESSION_NAME "close" |
| 434 | |
| 435 | trace_testapp |
| 436 | |
| 437 | # ensure open is there. |
| 438 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 439 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 440 | |
| 441 | # ensure trace only contains those. |
| 442 | validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 443 | |
| 444 | destroy_lttng_session_ok $SESSION_NAME |
| 445 | |
| 446 | rm -rf $TRACE_PATH |
| 447 | } |
| 448 | |
| 449 | function test_syscall_disable_twice() |
| 450 | { |
| 451 | TRACE_PATH=$(mktemp -d) |
| 452 | SESSION_NAME="kernel_syscall_disable_twice" |
| 453 | |
| 454 | diag "Syscall trace one event and disable twice" |
| 455 | |
| 456 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 457 | |
| 458 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 459 | # First disable will succeed |
| 460 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 461 | # Second disable succeeds too, due to enabler semantic. |
| 462 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 463 | |
| 464 | destroy_lttng_session_ok $SESSION_NAME |
| 465 | |
| 466 | rm -rf $TRACE_PATH |
| 467 | } |
| 468 | |
| 469 | function test_syscall_disable_all_twice() |
| 470 | { |
| 471 | TRACE_PATH=$(mktemp -d) |
| 472 | SESSION_NAME="kernel_syscall_disable_all_twice" |
| 473 | |
| 474 | diag "Syscall trace all events and disable all twice" |
| 475 | |
| 476 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 477 | |
| 478 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 479 | # First disable will succeed |
| 480 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 481 | # Second disable succeeds too, due to enabler semantic. |
| 482 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 483 | |
| 484 | destroy_lttng_session_ok $SESSION_NAME |
| 485 | |
| 486 | rm -rf $TRACE_PATH |
| 487 | } |
| 488 | |
| 489 | |
| 490 | function test_syscall_enable_unknown() |
| 491 | { |
| 492 | TRACE_PATH=$(mktemp -d) |
| 493 | SESSION_NAME="kernel_syscall_enable_unknown" |
| 494 | |
| 495 | diag "Syscall enable an unknown event" |
| 496 | |
| 497 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 498 | |
| 499 | # Enabling a syscall that does not exist succeeds, due to enabler |
| 500 | # semantic. |
| 501 | lttng_enable_kernel_syscall_ok $SESSION_NAME "thissyscallcannotexist" |
| 502 | |
| 503 | destroy_lttng_session_ok $SESSION_NAME |
| 504 | |
| 505 | rm -rf $TRACE_PATH |
| 506 | } |
| 507 | |
| 508 | function test_syscall_enable_all_enable_one() |
| 509 | { |
| 510 | TRACE_PATH=$(mktemp -d) |
| 511 | SESSION_NAME="kernel_syscall_enable_all_enable_one" |
| 512 | |
| 513 | diag "Syscall enable all and enable one" |
| 514 | |
| 515 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 516 | |
| 517 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 518 | # Enabling an event already enabled succeeds, due to enabler semantic. |
| 519 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 520 | |
| 521 | destroy_lttng_session_ok $SESSION_NAME |
| 522 | |
| 523 | rm -rf $TRACE_PATH |
| 524 | } |
| 525 | |
| 526 | function test_syscall_disable_all_disable_one() |
| 527 | { |
| 528 | TRACE_PATH=$(mktemp -d) |
| 529 | SESSION_NAME="kernel_syscall_enable_all_enable_one" |
| 530 | |
| 531 | diag "Syscall disable all and disable one" |
| 532 | |
| 533 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 534 | |
| 535 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 536 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 537 | # Disabling an event already disabled fails. |
| 538 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 539 | |
| 540 | destroy_lttng_session_ok $SESSION_NAME |
| 541 | |
| 542 | rm -rf $TRACE_PATH |
| 543 | } |
| 544 | |
| 545 | function test_syscall_enable_channel_disable_all() |
| 546 | { |
| 547 | TRACE_PATH=$(mktemp -d) |
| 548 | SESSION_NAME="kernel_syscall_enable_channel_disable_all" |
| 549 | CHANNEL_NAME="channel" |
| 550 | |
| 551 | diag "Syscall enable channel and disable all" |
| 552 | |
| 553 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 554 | |
| 555 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME |
| 556 | # sessiond semantic for "disable all" is to try to match all enalers |
| 557 | # it knowns about. Disable all succeeds if it finds no match. |
| 558 | lttng_disable_kernel_syscall_ok $SESSION_NAME "-a" $CHANNEL_NAME |
| 559 | |
| 560 | destroy_lttng_session_ok $SESSION_NAME |
| 561 | |
| 562 | rm -rf $TRACE_PATH |
| 563 | } |
| 564 | |
| 565 | function test_syscall_enable_channel_disable_one() |
| 566 | { |
| 567 | TRACE_PATH=$(mktemp -d) |
| 568 | SESSION_NAME="kernel_syscall_enable_channel_disable_all" |
| 569 | CHANNEL_NAME="channel" |
| 570 | |
| 571 | diag "Syscall enable channel and disable one" |
| 572 | |
| 573 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 574 | |
| 575 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME |
| 576 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" $CHANNEL_NAME |
| 577 | |
| 578 | destroy_lttng_session_ok $SESSION_NAME |
| 579 | |
| 580 | rm -rf $TRACE_PATH |
| 581 | } |
| 582 | |
| 583 | # MUST set TESTDIR before calling those functions |
| 584 | plan_tests $NUM_TESTS |
| 585 | |
| 586 | print_test_banner "$TEST_DESC" |
| 587 | |
| 588 | if [ "$(id -u)" == "0" ]; then |
| 589 | isroot=1 |
| 590 | else |
| 591 | isroot=0 |
| 592 | fi |
| 593 | |
| 594 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || |
| 595 | { |
| 596 | start_lttng_sessiond |
| 597 | |
| 598 | test_syscall_event_list |
| 599 | test_syscall_simple_list |
| 600 | test_syscall_simple_list_two |
| 601 | test_syscall_single |
| 602 | test_syscall_two |
| 603 | test_syscall_all |
| 604 | test_syscall_all_disable_one |
| 605 | test_syscall_all_disable_two |
| 606 | test_syscall_enable_all_disable_all |
| 607 | test_syscall_enable_all_disable_all_enable_all |
| 608 | test_syscall_enable_all_disable_all_twice |
| 609 | test_syscall_enable_one_disable_one |
| 610 | test_syscall_enable_two_disable_two |
| 611 | test_syscall_enable_two_disable_one |
| 612 | test_syscall_disable_twice |
| 613 | test_syscall_disable_all_twice |
| 614 | test_syscall_enable_unknown |
| 615 | test_syscall_enable_all_enable_one |
| 616 | test_syscall_disable_all_disable_one |
| 617 | test_syscall_enable_channel_disable_all |
| 618 | test_syscall_enable_channel_disable_one |
| 619 | |
| 620 | stop_lttng_sessiond |
| 621 | } |