| 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 | # SPDX-License-Identifier: GPL-2.0-only |
| 7 | # |
| 8 | |
| 9 | TEST_DESC="Kernel tracer - System calls" |
| 10 | |
| 11 | CURDIR=$(dirname $0)/ |
| 12 | TESTDIR=$CURDIR/../.. |
| 13 | NUM_TESTS=214 |
| 14 | |
| 15 | # `gen-syscall-event` starts and waits for the creation a file passed by |
| 16 | # arguments to start executing 3 syscalls (open,read,close) and returning. |
| 17 | TESTCMD="$TESTDIR/utils/testapp/gen-syscall-events/gen-syscall-events" |
| 18 | |
| 19 | source $TESTDIR/utils/utils.sh |
| 20 | |
| 21 | function trace_testapp() |
| 22 | { |
| 23 | local start_file_sync=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_start.XXXXXX") |
| 24 | |
| 25 | # Clear all entries from the resource tracker |
| 26 | lttng_untrack_kernel_all_ok |
| 27 | |
| 28 | # Launch the testapp and save its Process ID |
| 29 | ./"$TESTCMD" "$start_file_sync" "/proc/cpuinfo" "/proc/cmdline" & |
| 30 | PID=$! |
| 31 | |
| 32 | # Set LTTng to track this PID and start the tracing |
| 33 | lttng_track_pid_ok $PID |
| 34 | |
| 35 | start_lttng_tracing_ok |
| 36 | |
| 37 | # Create start file to launch the execution of the workload by the |
| 38 | # test app |
| 39 | touch "$start_file_sync" |
| 40 | |
| 41 | wait $PID |
| 42 | |
| 43 | stop_lttng_tracing_ok |
| 44 | |
| 45 | # Clean up the synchronization file |
| 46 | rm -f "$start_file_sync" |
| 47 | } |
| 48 | |
| 49 | function validate_list() |
| 50 | { |
| 51 | local session_name=$1 |
| 52 | local event_name=$2 |
| 53 | local opt=$3 |
| 54 | |
| 55 | out=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list $session_name $opt | grep $event_name) |
| 56 | if [ -z "$out" ]; then |
| 57 | fail "Validate syscall listing" |
| 58 | diag "$event_name not found when listing $session_name (opt $opt)" |
| 59 | else |
| 60 | pass "Validate syscall listing. Found $event_name." |
| 61 | fi |
| 62 | } |
| 63 | |
| 64 | function test_syscall_event_list() |
| 65 | { |
| 66 | local EVENT_NAME="getpid" |
| 67 | |
| 68 | diag "Syscall event listing" |
| 69 | |
| 70 | validate_list "" $EVENT_NAME "-k --syscall" |
| 71 | } |
| 72 | |
| 73 | function test_syscall_simple_list() |
| 74 | { |
| 75 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 76 | SESSION_NAME="kernel_syscall_simple_list" |
| 77 | local EVENT_NAME="close" |
| 78 | |
| 79 | diag "Syscall simple listing" |
| 80 | |
| 81 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 82 | |
| 83 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME |
| 84 | |
| 85 | validate_list $SESSION_NAME $EVENT_NAME |
| 86 | |
| 87 | trace_testapp |
| 88 | |
| 89 | # ensure all events are in the trace. |
| 90 | validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH |
| 91 | validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 92 | |
| 93 | # ensure trace only contains those. |
| 94 | validate_trace_only_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME: -e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 95 | |
| 96 | destroy_lttng_session_ok $SESSION_NAME |
| 97 | |
| 98 | rm -rf $TRACE_PATH |
| 99 | } |
| 100 | |
| 101 | function test_syscall_simple_list_two() |
| 102 | { |
| 103 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 104 | SESSION_NAME="kernel_syscall_simple_list_two" |
| 105 | local EVENT_NAME="close" |
| 106 | local EVENT_NAME2="read" |
| 107 | |
| 108 | diag "Syscall simple listing" |
| 109 | |
| 110 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 111 | |
| 112 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME |
| 113 | lttng_enable_kernel_syscall_ok $SESSION_NAME $EVENT_NAME2 |
| 114 | |
| 115 | validate_list $SESSION_NAME $EVENT_NAME |
| 116 | validate_list $SESSION_NAME $EVENT_NAME2 |
| 117 | |
| 118 | trace_testapp |
| 119 | |
| 120 | # ensure all events are in the trace. |
| 121 | validate_trace_exp "-e syscall_entry_$EVENT_NAME: -e compat_syscall_entry_$EVENT_NAME:" $TRACE_PATH |
| 122 | validate_trace_exp "-e syscall_exit_$EVENT_NAME: -e compat_syscall_exit_$EVENT_NAME:" $TRACE_PATH |
| 123 | |
| 124 | validate_trace_exp "-e syscall_entry_$EVENT_NAME2: -e compat_syscall_entry_$EVENT_NAME2:" $TRACE_PATH |
| 125 | validate_trace_exp "-e syscall_exit_$EVENT_NAME2: -e compat_syscall_exit_$EVENT_NAME2:" $TRACE_PATH |
| 126 | |
| 127 | # ensure trace only contains those. |
| 128 | validate_trace_only_exp "-e syscall_entry_$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 |
| 129 | |
| 130 | destroy_lttng_session_ok $SESSION_NAME |
| 131 | |
| 132 | rm -rf $TRACE_PATH |
| 133 | } |
| 134 | |
| 135 | function test_syscall_single() |
| 136 | { |
| 137 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 138 | SESSION_NAME="kernel_syscall_single" |
| 139 | |
| 140 | diag "Syscall trace single" |
| 141 | |
| 142 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 143 | |
| 144 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 145 | |
| 146 | trace_testapp |
| 147 | |
| 148 | # ensure all events are in the trace. |
| 149 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 150 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 151 | |
| 152 | # ensure trace only contains those. |
| 153 | validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 154 | |
| 155 | destroy_lttng_session_ok $SESSION_NAME |
| 156 | |
| 157 | rm -rf $TRACE_PATH |
| 158 | } |
| 159 | |
| 160 | function test_syscall_two() |
| 161 | { |
| 162 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 163 | SESSION_NAME="kernel_syscall_two" |
| 164 | |
| 165 | diag "Syscall trace two events" |
| 166 | |
| 167 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 168 | |
| 169 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 170 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 171 | |
| 172 | trace_testapp |
| 173 | |
| 174 | # ensure all events are in the trace. |
| 175 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 176 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 177 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 178 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 179 | |
| 180 | # ensure trace only contains those. |
| 181 | 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 |
| 182 | |
| 183 | destroy_lttng_session_ok $SESSION_NAME |
| 184 | |
| 185 | rm -rf $TRACE_PATH |
| 186 | } |
| 187 | |
| 188 | function test_syscall_all() |
| 189 | { |
| 190 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 191 | SESSION_NAME="kernel_syscall_all" |
| 192 | |
| 193 | diag "Syscall trace all events" |
| 194 | |
| 195 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 196 | |
| 197 | # enable all syscalls |
| 198 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 199 | |
| 200 | trace_testapp |
| 201 | |
| 202 | # ensure at least open and close are there. |
| 203 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 204 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 205 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 206 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 207 | # trace may contain other syscalls. |
| 208 | |
| 209 | destroy_lttng_session_ok $SESSION_NAME |
| 210 | |
| 211 | rm -rf $TRACE_PATH |
| 212 | } |
| 213 | |
| 214 | function test_syscall_all_disable_one() |
| 215 | { |
| 216 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 217 | SESSION_NAME="kernel_syscall_all_disable_one" |
| 218 | |
| 219 | diag "Syscall trace all events and disable one" |
| 220 | |
| 221 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 222 | |
| 223 | # enable all syscalls |
| 224 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 225 | # try to disable open system call: fails because enabler semantic of |
| 226 | # "all syscalls" is not "the open" system call. |
| 227 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 228 | |
| 229 | trace_testapp |
| 230 | |
| 231 | # ensure "openat" syscall is there. |
| 232 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 233 | |
| 234 | # ensure "close" syscall is there. |
| 235 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 236 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 237 | |
| 238 | destroy_lttng_session_ok $SESSION_NAME |
| 239 | |
| 240 | rm -rf $TRACE_PATH |
| 241 | } |
| 242 | |
| 243 | function test_syscall_all_disable_two() |
| 244 | { |
| 245 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 246 | SESSION_NAME="kernel_syscall_all_disable_two" |
| 247 | |
| 248 | diag "Syscall trace all events and disable two" |
| 249 | |
| 250 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 251 | |
| 252 | # enable all syscalls |
| 253 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 254 | # try to disable open and close system calls: fails because enabler |
| 255 | # semantic of "all syscalls" is not "the open" system call. |
| 256 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 257 | lttng_disable_kernel_syscall_fail $SESSION_NAME "close" |
| 258 | |
| 259 | trace_testapp |
| 260 | |
| 261 | # ensure "openat" syscall is there. |
| 262 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 263 | |
| 264 | # ensure "close" syscall is there. |
| 265 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 266 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 267 | |
| 268 | # ensure "read" syscall is there. |
| 269 | validate_trace_exp "-e syscall_entry_read: -e compat_syscall_entry_read:" $TRACE_PATH |
| 270 | validate_trace_exp "-e syscall_exit_read: -e compat_syscall_exit_read:" $TRACE_PATH |
| 271 | |
| 272 | destroy_lttng_session_ok $SESSION_NAME |
| 273 | |
| 274 | rm -rf $TRACE_PATH |
| 275 | } |
| 276 | |
| 277 | function test_syscall_enable_all_disable_all() |
| 278 | { |
| 279 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 280 | SESSION_NAME="kernel_syscall_enable_all_disable_all" |
| 281 | |
| 282 | diag "Syscall trace all events and disable all" |
| 283 | |
| 284 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 285 | |
| 286 | # enable all system calls |
| 287 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 288 | # disable all system calls |
| 289 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 290 | |
| 291 | trace_testapp |
| 292 | |
| 293 | # ensure nothing has been traced. |
| 294 | validate_trace_empty $TRACE_PATH |
| 295 | |
| 296 | destroy_lttng_session_ok $SESSION_NAME |
| 297 | |
| 298 | rm -rf $TRACE_PATH |
| 299 | } |
| 300 | |
| 301 | function test_syscall_enable_all_disable_all_enable_all() |
| 302 | { |
| 303 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 304 | SESSION_NAME="kernel_syscall_enable_all_disable_all_enable_all" |
| 305 | |
| 306 | diag "Syscall trace all events and enable/disable all" |
| 307 | |
| 308 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 309 | |
| 310 | # enable all system calls |
| 311 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 312 | # disable all system calls |
| 313 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 314 | # enable all system calls |
| 315 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 316 | |
| 317 | trace_testapp |
| 318 | |
| 319 | # ensure at least open and close are there. |
| 320 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 321 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 322 | validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH |
| 323 | validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH |
| 324 | # trace may contain other syscalls. |
| 325 | |
| 326 | destroy_lttng_session_ok $SESSION_NAME |
| 327 | |
| 328 | rm -rf $TRACE_PATH |
| 329 | } |
| 330 | |
| 331 | function test_syscall_enable_all_enable_one_disable_all() |
| 332 | { |
| 333 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 334 | SESSION_NAME="kernel_syscall_enable_all_enable_one_disable_all" |
| 335 | |
| 336 | diag "Syscall trace all events, enable one and disable all" |
| 337 | |
| 338 | create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" |
| 339 | |
| 340 | # enable all syscalls |
| 341 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 342 | |
| 343 | # enable one specific syscall, "openat" |
| 344 | lttng_enable_kernel_syscall_ok $SESSION_NAME openat |
| 345 | |
| 346 | # disable all syscalls |
| 347 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 348 | |
| 349 | trace_testapp |
| 350 | |
| 351 | # The trace shouldn't contain any syscalls, disable-all should disable |
| 352 | # even individually specified syscalls |
| 353 | trace_match_only openat 0 "$TRACE_PATH" |
| 354 | |
| 355 | destroy_lttng_session_ok $SESSION_NAME |
| 356 | |
| 357 | rm -rf "$TRACE_PATH" |
| 358 | } |
| 359 | |
| 360 | function test_syscall_enable_one_enable_all_disable_one() |
| 361 | { |
| 362 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 363 | SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_one" |
| 364 | |
| 365 | diag "Syscall trace all events and enable/disable one" |
| 366 | |
| 367 | create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" |
| 368 | |
| 369 | # enable one specific syscall, "openat" |
| 370 | lttng_enable_kernel_syscall_ok $SESSION_NAME openat |
| 371 | |
| 372 | # enable all syscalls |
| 373 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 374 | |
| 375 | # disable one specific syscall, "openat" |
| 376 | lttng_disable_kernel_syscall_ok $SESSION_NAME openat |
| 377 | |
| 378 | trace_testapp |
| 379 | |
| 380 | # The trace should contain all syscalls, including 'openat' because |
| 381 | # enable-all overrides individually disabled syscalls. |
| 382 | validate_trace openat "$TRACE_PATH" |
| 383 | |
| 384 | destroy_lttng_session_ok $SESSION_NAME |
| 385 | |
| 386 | rm -rf "$TRACE_PATH" |
| 387 | } |
| 388 | |
| 389 | function test_syscall_enable_one_enable_all_disable_all_disable_one() |
| 390 | { |
| 391 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 392 | SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_all_disable_one" |
| 393 | |
| 394 | diag "Syscall trace all events and enable/disable one" |
| 395 | |
| 396 | create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" |
| 397 | |
| 398 | # enable one specific syscall, "openat" |
| 399 | lttng_enable_kernel_syscall_ok $SESSION_NAME openat |
| 400 | |
| 401 | # enable all syscalls |
| 402 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 403 | |
| 404 | # disable all syscalls |
| 405 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 406 | |
| 407 | # disable one specific syscall, "openat" |
| 408 | lttng_disable_kernel_syscall_ok $SESSION_NAME openat |
| 409 | |
| 410 | trace_testapp |
| 411 | |
| 412 | # The trace shouldn't contain any syscalls, disable-all should disable |
| 413 | # even individually specified syscalls |
| 414 | trace_match_only openat 0 "$TRACE_PATH" |
| 415 | |
| 416 | destroy_lttng_session_ok $SESSION_NAME |
| 417 | |
| 418 | rm -rf "$TRACE_PATH" |
| 419 | } |
| 420 | |
| 421 | function test_syscall_enable_all_disable_all_twice() |
| 422 | { |
| 423 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 424 | SESSION_NAME="kernel_syscall_enable_all_disable_all_twice" |
| 425 | |
| 426 | diag "Syscall trace all events and enable/disable all twice" |
| 427 | |
| 428 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 429 | |
| 430 | # enable all system calls |
| 431 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 432 | # disable all system calls |
| 433 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 434 | # enable all system calls |
| 435 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 436 | # disable all system calls |
| 437 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 438 | |
| 439 | trace_testapp |
| 440 | |
| 441 | # ensure nothing has been traced. |
| 442 | validate_trace_empty $TRACE_PATH |
| 443 | |
| 444 | destroy_lttng_session_ok $SESSION_NAME |
| 445 | |
| 446 | rm -rf $TRACE_PATH |
| 447 | } |
| 448 | |
| 449 | function test_syscall_enable_one_disable_one() |
| 450 | { |
| 451 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 452 | SESSION_NAME="kernel_syscall_enable_one_disable_one" |
| 453 | |
| 454 | diag "Syscall trace one event and disable one" |
| 455 | |
| 456 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 457 | |
| 458 | # enable open system call |
| 459 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 460 | # disable open system call |
| 461 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 462 | |
| 463 | trace_testapp |
| 464 | |
| 465 | # ensure nothing has been traced. |
| 466 | validate_trace_empty $TRACE_PATH |
| 467 | |
| 468 | destroy_lttng_session_ok $SESSION_NAME |
| 469 | |
| 470 | rm -rf $TRACE_PATH |
| 471 | } |
| 472 | |
| 473 | function test_syscall_enable_two_disable_two() |
| 474 | { |
| 475 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 476 | SESSION_NAME="kernel_syscall_enable_two_disable_two" |
| 477 | |
| 478 | diag "Syscall trace two events and disable two" |
| 479 | |
| 480 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 481 | |
| 482 | # enable open and close system calls |
| 483 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 484 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 485 | # disable open and close system calls |
| 486 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 487 | lttng_disable_kernel_syscall_ok $SESSION_NAME "close" |
| 488 | |
| 489 | trace_testapp |
| 490 | |
| 491 | # ensure nothing has been traced. |
| 492 | validate_trace_empty $TRACE_PATH |
| 493 | |
| 494 | destroy_lttng_session_ok $SESSION_NAME |
| 495 | |
| 496 | rm -rf $TRACE_PATH |
| 497 | } |
| 498 | |
| 499 | function test_syscall_enable_two_disable_one() |
| 500 | { |
| 501 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 502 | SESSION_NAME="kernel_syscall_enable_two_disable_one" |
| 503 | |
| 504 | diag "Syscall trace two events and disable one" |
| 505 | |
| 506 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 507 | |
| 508 | # enable open and close system calls |
| 509 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 510 | lttng_enable_kernel_syscall_ok $SESSION_NAME "close" |
| 511 | # disable close system call |
| 512 | lttng_disable_kernel_syscall_ok $SESSION_NAME "close" |
| 513 | |
| 514 | trace_testapp |
| 515 | |
| 516 | # ensure open is there. |
| 517 | validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH |
| 518 | validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 519 | |
| 520 | # ensure trace only contains those. |
| 521 | validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH |
| 522 | |
| 523 | destroy_lttng_session_ok $SESSION_NAME |
| 524 | |
| 525 | rm -rf $TRACE_PATH |
| 526 | } |
| 527 | |
| 528 | function test_syscall_disable_twice() |
| 529 | { |
| 530 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 531 | SESSION_NAME="kernel_syscall_disable_twice" |
| 532 | |
| 533 | diag "Syscall trace one event and disable twice" |
| 534 | |
| 535 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 536 | |
| 537 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 538 | # First disable will succeed |
| 539 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 540 | # Second disable succeeds too, due to enabler semantic. |
| 541 | lttng_disable_kernel_syscall_ok $SESSION_NAME "openat" |
| 542 | |
| 543 | destroy_lttng_session_ok $SESSION_NAME |
| 544 | |
| 545 | rm -rf $TRACE_PATH |
| 546 | } |
| 547 | |
| 548 | function test_syscall_disable_all_twice() |
| 549 | { |
| 550 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 551 | SESSION_NAME="kernel_syscall_disable_all_twice" |
| 552 | |
| 553 | diag "Syscall trace all events and disable all twice" |
| 554 | |
| 555 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 556 | |
| 557 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 558 | # First disable will succeed |
| 559 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 560 | # Second disable succeeds too, due to enabler semantic. |
| 561 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 562 | |
| 563 | destroy_lttng_session_ok $SESSION_NAME |
| 564 | |
| 565 | rm -rf $TRACE_PATH |
| 566 | } |
| 567 | |
| 568 | |
| 569 | function test_syscall_enable_unknown() |
| 570 | { |
| 571 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 572 | SESSION_NAME="kernel_syscall_enable_unknown" |
| 573 | |
| 574 | diag "Syscall enable an unknown event" |
| 575 | |
| 576 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 577 | |
| 578 | # Enabling a syscall that does not exist succeeds, due to enabler |
| 579 | # semantic. |
| 580 | lttng_enable_kernel_syscall_ok $SESSION_NAME "thissyscallcannotexist" |
| 581 | |
| 582 | destroy_lttng_session_ok $SESSION_NAME |
| 583 | |
| 584 | rm -rf $TRACE_PATH |
| 585 | } |
| 586 | |
| 587 | function test_syscall_enable_all_enable_one() |
| 588 | { |
| 589 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 590 | SESSION_NAME="kernel_syscall_enable_all_enable_one" |
| 591 | |
| 592 | diag "Syscall enable all and enable one" |
| 593 | |
| 594 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 595 | |
| 596 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 597 | # Enabling an event already enabled succeeds, due to enabler semantic. |
| 598 | lttng_enable_kernel_syscall_ok $SESSION_NAME "openat" |
| 599 | |
| 600 | destroy_lttng_session_ok $SESSION_NAME |
| 601 | |
| 602 | rm -rf $TRACE_PATH |
| 603 | } |
| 604 | |
| 605 | function test_syscall_disable_all_disable_one() |
| 606 | { |
| 607 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 608 | SESSION_NAME="kernel_syscall_enable_all_enable_one" |
| 609 | |
| 610 | diag "Syscall disable all and disable one" |
| 611 | |
| 612 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 613 | |
| 614 | lttng_enable_kernel_syscall_ok $SESSION_NAME |
| 615 | lttng_disable_kernel_syscall_ok $SESSION_NAME |
| 616 | # Disabling an event already disabled fails. |
| 617 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" |
| 618 | |
| 619 | destroy_lttng_session_ok $SESSION_NAME |
| 620 | |
| 621 | rm -rf $TRACE_PATH |
| 622 | } |
| 623 | |
| 624 | function test_syscall_enable_channel_disable_all() |
| 625 | { |
| 626 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 627 | SESSION_NAME="kernel_syscall_enable_channel_disable_all" |
| 628 | CHANNEL_NAME="channel" |
| 629 | |
| 630 | diag "Syscall enable channel and disable all" |
| 631 | |
| 632 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 633 | |
| 634 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME |
| 635 | # sessiond semantic for "disable all" is to try to match all enalers |
| 636 | # it knowns about. Disable all succeeds if it finds no match. |
| 637 | lttng_disable_kernel_syscall_ok $SESSION_NAME "-a" $CHANNEL_NAME |
| 638 | |
| 639 | destroy_lttng_session_ok $SESSION_NAME |
| 640 | |
| 641 | rm -rf $TRACE_PATH |
| 642 | } |
| 643 | |
| 644 | function test_syscall_enable_channel_disable_one() |
| 645 | { |
| 646 | local TRACE_PATH=$(mktemp --tmpdir -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX") |
| 647 | SESSION_NAME="kernel_syscall_enable_channel_disable_all" |
| 648 | CHANNEL_NAME="channel" |
| 649 | |
| 650 | diag "Syscall enable channel and disable one" |
| 651 | |
| 652 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 653 | |
| 654 | lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME |
| 655 | lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" $CHANNEL_NAME |
| 656 | |
| 657 | destroy_lttng_session_ok $SESSION_NAME |
| 658 | |
| 659 | rm -rf $TRACE_PATH |
| 660 | } |
| 661 | |
| 662 | # MUST set TESTDIR before calling those functions |
| 663 | plan_tests $NUM_TESTS |
| 664 | |
| 665 | print_test_banner "$TEST_DESC" |
| 666 | |
| 667 | if [ "$(id -u)" == "0" ]; then |
| 668 | isroot=1 |
| 669 | else |
| 670 | isroot=0 |
| 671 | fi |
| 672 | |
| 673 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || |
| 674 | { |
| 675 | start_lttng_sessiond |
| 676 | |
| 677 | test_syscall_event_list |
| 678 | test_syscall_simple_list |
| 679 | test_syscall_simple_list_two |
| 680 | test_syscall_single |
| 681 | test_syscall_two |
| 682 | test_syscall_all |
| 683 | test_syscall_all_disable_one |
| 684 | test_syscall_all_disable_two |
| 685 | test_syscall_enable_all_disable_all |
| 686 | test_syscall_enable_all_disable_all_enable_all |
| 687 | test_syscall_enable_all_disable_all_twice |
| 688 | test_syscall_enable_all_enable_one_disable_all |
| 689 | test_syscall_enable_one_enable_all_disable_one |
| 690 | test_syscall_enable_one_enable_all_disable_all_disable_one |
| 691 | test_syscall_enable_one_disable_one |
| 692 | test_syscall_enable_two_disable_two |
| 693 | test_syscall_enable_two_disable_one |
| 694 | test_syscall_disable_twice |
| 695 | test_syscall_disable_all_twice |
| 696 | test_syscall_enable_unknown |
| 697 | test_syscall_enable_all_enable_one |
| 698 | test_syscall_disable_all_disable_one |
| 699 | test_syscall_enable_channel_disable_all |
| 700 | test_syscall_enable_channel_disable_one |
| 701 | |
| 702 | stop_lttng_sessiond |
| 703 | } |