| 1 | /* |
| 2 | * notification.c |
| 3 | * |
| 4 | * Tests suite for LTTng notification API |
| 5 | * |
| 6 | * Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
| 7 | * |
| 8 | * SPDX-License-Identifier: MIT |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <assert.h> |
| 13 | #include <math.h> |
| 14 | #include <stdbool.h> |
| 15 | #include <stdio.h> |
| 16 | #include <stdlib.h> |
| 17 | #include <string.h> |
| 18 | #include <unistd.h> |
| 19 | #include <inttypes.h> |
| 20 | #include <sys/types.h> |
| 21 | #include <sys/stat.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <signal.h> |
| 24 | #include <errno.h> |
| 25 | #include <poll.h> |
| 26 | |
| 27 | #include <lttng/action/action.h> |
| 28 | #include <lttng/action/notify.h> |
| 29 | #include <lttng/condition/buffer-usage.h> |
| 30 | #include <lttng/condition/condition.h> |
| 31 | #include <lttng/condition/evaluation.h> |
| 32 | #include <lttng/condition/event-rule.h> |
| 33 | #include <lttng/domain.h> |
| 34 | #include <lttng/endpoint.h> |
| 35 | #include <lttng/event-field-value.h> |
| 36 | #include <lttng/event-rule/kprobe.h> |
| 37 | #include <lttng/event-rule/syscall.h> |
| 38 | #include <lttng/event-rule/tracepoint.h> |
| 39 | #include <lttng/event-rule/uprobe.h> |
| 40 | #include <lttng/kernel-probe.h> |
| 41 | #include <lttng/lttng-error.h> |
| 42 | #include <lttng/lttng.h> |
| 43 | #include <lttng/notification/channel.h> |
| 44 | #include <lttng/notification/notification.h> |
| 45 | #include <lttng/condition/evaluation.h> |
| 46 | #include <lttng/trigger/trigger.h> |
| 47 | #include <lttng/userspace-probe.h> |
| 48 | |
| 49 | #include <tap/tap.h> |
| 50 | |
| 51 | /* A callback to populate the condition capture descriptor */ |
| 52 | typedef int (*condition_capture_desc_cb)(struct lttng_condition *condition); |
| 53 | |
| 54 | /* A callback for captured field validation */ |
| 55 | typedef int (*validate_cb)(const struct lttng_event_field_value *event_field, unsigned iteration); |
| 56 | |
| 57 | int nb_args = 0; |
| 58 | int named_pipe_args_start = 0; |
| 59 | pid_t app_pid = 0; |
| 60 | const char *app_state_file = NULL; |
| 61 | |
| 62 | enum field_type { |
| 63 | FIELD_TYPE_PAYLOAD, |
| 64 | FIELD_TYPE_CONTEXT, |
| 65 | FIELD_TYPE_APP_CONTEXT, |
| 66 | FIELD_TYPE_ARRAY_FIELD, |
| 67 | }; |
| 68 | |
| 69 | struct capture_base_field_tuple { |
| 70 | char* field_name; |
| 71 | enum field_type field_type; |
| 72 | bool expected_ust; // Do we expect a capture? |
| 73 | bool expected_kernel; // Do we expect a capture? |
| 74 | validate_cb validate_ust; |
| 75 | validate_cb validate_kernel; |
| 76 | }; |
| 77 | |
| 78 | static |
| 79 | const char *field_value_type_to_str(enum lttng_event_field_value_type type) |
| 80 | { |
| 81 | switch (type) { |
| 82 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNKNOWN: |
| 83 | return "UNKNOWN"; |
| 84 | case LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID: |
| 85 | return "INVALID"; |
| 86 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT: |
| 87 | return "UNSIGNED INT"; |
| 88 | case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT: |
| 89 | return "SIGNED INT"; |
| 90 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM: |
| 91 | return "UNSIGNED ENUM"; |
| 92 | case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM: |
| 93 | return "SIGNED ENUM"; |
| 94 | case LTTNG_EVENT_FIELD_VALUE_TYPE_REAL: |
| 95 | return "REAL"; |
| 96 | case LTTNG_EVENT_FIELD_VALUE_TYPE_STRING: |
| 97 | return "STRING"; |
| 98 | case LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY: |
| 99 | return "ARRAY"; |
| 100 | default: |
| 101 | abort(); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | static int validate_type( |
| 106 | const struct lttng_event_field_value *event_field, |
| 107 | enum lttng_event_field_value_type expect) |
| 108 | { |
| 109 | int ret; |
| 110 | enum lttng_event_field_value_type value; |
| 111 | |
| 112 | value = lttng_event_field_value_get_type(event_field); |
| 113 | if (value == LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID) { |
| 114 | ret = 1; |
| 115 | goto end; |
| 116 | } |
| 117 | |
| 118 | ret = (expect == value); |
| 119 | ok(ret, "Expected field type: %s got %s", |
| 120 | field_value_type_to_str(expect), |
| 121 | field_value_type_to_str(value)); |
| 122 | |
| 123 | ret = !ret; |
| 124 | |
| 125 | end: |
| 126 | return ret; |
| 127 | } |
| 128 | |
| 129 | /* |
| 130 | * Validate unsigned captured field against the iteration number. |
| 131 | * The iteration number is always unsigned and will always be compared to value |
| 132 | * under MAX_UINT. |
| 133 | */ |
| 134 | static int validate_unsigned_int_field( |
| 135 | const struct lttng_event_field_value *event_field, |
| 136 | unsigned int iteration) |
| 137 | { |
| 138 | int ret; |
| 139 | uint64_t value; |
| 140 | enum lttng_event_field_value_status status; |
| 141 | |
| 142 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); |
| 143 | if (ret) { |
| 144 | goto end; |
| 145 | } |
| 146 | |
| 147 | status = lttng_event_field_value_unsigned_int_get_value( |
| 148 | event_field , &value); |
| 149 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 150 | fail("lttng_event_field_value_unsigned_int_get_value"); |
| 151 | ret = 1; |
| 152 | goto end; |
| 153 | } |
| 154 | |
| 155 | ret = (value == (uint64_t) iteration); |
| 156 | ok (ret, "Expected unsigned int of value: %u got %" PRIu64, iteration, value); |
| 157 | |
| 158 | ret = !ret; |
| 159 | |
| 160 | end: |
| 161 | |
| 162 | return ret; |
| 163 | } |
| 164 | |
| 165 | /* |
| 166 | * Validate signed captured field. |
| 167 | * Value should be -1. |
| 168 | */ |
| 169 | static int validate_signed_int_field( |
| 170 | const struct lttng_event_field_value *event_field, |
| 171 | unsigned int iteration) |
| 172 | { |
| 173 | int ret; |
| 174 | int64_t expected = -1; |
| 175 | int64_t value; |
| 176 | enum lttng_event_field_value_status status; |
| 177 | |
| 178 | /* Unused */ |
| 179 | (void) iteration; |
| 180 | |
| 181 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT); |
| 182 | if (ret) { |
| 183 | goto end; |
| 184 | } |
| 185 | |
| 186 | status = lttng_event_field_value_signed_int_get_value( |
| 187 | event_field , &value); |
| 188 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 189 | fail("lttng_event_field_value_signed_int_get_value"); |
| 190 | ret = 1; |
| 191 | goto end; |
| 192 | } |
| 193 | |
| 194 | ret = (value == expected); |
| 195 | ok(ret, "Expected signed int of value: %" PRId64 " got %" PRId64, expected, value); |
| 196 | |
| 197 | ret = !ret; |
| 198 | |
| 199 | end: |
| 200 | |
| 201 | return ret; |
| 202 | } |
| 203 | |
| 204 | /* |
| 205 | * Validate array of unsigned int. |
| 206 | */ |
| 207 | static int validate_array_unsigned_int_field( |
| 208 | const struct lttng_event_field_value *event_field, |
| 209 | unsigned int iteration) |
| 210 | { |
| 211 | int ret; |
| 212 | enum lttng_event_field_value_status status; |
| 213 | unsigned int expected = 3; |
| 214 | unsigned int count; |
| 215 | |
| 216 | /* Unused */ |
| 217 | (void) iteration; |
| 218 | |
| 219 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); |
| 220 | if (ret) { |
| 221 | goto end; |
| 222 | } |
| 223 | |
| 224 | status = lttng_event_field_value_array_get_length(event_field, &count); |
| 225 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 226 | fail("lttng_event_field_value_array_get_length"); |
| 227 | ret = 1; |
| 228 | goto end; |
| 229 | } |
| 230 | |
| 231 | ret = (count == expected); |
| 232 | ok(ret, "Expected %d subelements got %d", expected, count); |
| 233 | if (!ret) { |
| 234 | ret = 1; |
| 235 | goto end; |
| 236 | } |
| 237 | |
| 238 | for (unsigned int i = 1; i < count + 1; i++) { |
| 239 | const struct lttng_event_field_value *value; |
| 240 | status = lttng_event_field_value_array_get_element_at_index( |
| 241 | event_field, i - 1, &value); |
| 242 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 243 | fail("lttng_event_field_value_array_get_element_at_index"); |
| 244 | ret = 1; |
| 245 | goto end; |
| 246 | } |
| 247 | ret = validate_unsigned_int_field(value, i); |
| 248 | if (ret) { |
| 249 | goto end; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | ret = 0; |
| 254 | end: |
| 255 | |
| 256 | return ret; |
| 257 | } |
| 258 | static int validate_array_unsigned_int_field_at_index( |
| 259 | const struct lttng_event_field_value *event_field, |
| 260 | unsigned int iteration) |
| 261 | { |
| 262 | int ret; |
| 263 | uint64_t expected_value = 2; |
| 264 | enum lttng_event_field_value_status status; |
| 265 | uint64_t value; |
| 266 | |
| 267 | /* Unused */ |
| 268 | (void) iteration; |
| 269 | |
| 270 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); |
| 271 | if (ret) { |
| 272 | goto end; |
| 273 | } |
| 274 | |
| 275 | status = lttng_event_field_value_unsigned_int_get_value( |
| 276 | event_field , &value); |
| 277 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 278 | fail("lttng_event_field_value_unsigned_int_get_value"); |
| 279 | ret = 1; |
| 280 | goto end; |
| 281 | } |
| 282 | |
| 283 | ret = (value == expected_value); |
| 284 | ok (ret, "Expected unsigned int of value: %u got %" PRIu64, |
| 285 | expected_value, value); |
| 286 | |
| 287 | ret = 0; |
| 288 | end: |
| 289 | return ret; |
| 290 | } |
| 291 | |
| 292 | /* |
| 293 | * Validate sequence for a string (seqfield1): |
| 294 | * |
| 295 | * Value: "test" in utf8 [116, 101, 115, 116] |
| 296 | */ |
| 297 | static int validate_seqfield1( |
| 298 | const struct lttng_event_field_value *event_field, |
| 299 | unsigned int iteration) |
| 300 | { |
| 301 | int ret; |
| 302 | enum lttng_event_field_value_status status; |
| 303 | unsigned int count; |
| 304 | unsigned int expect[4] = {116, 101, 115, 116}; |
| 305 | |
| 306 | /* Unused */ |
| 307 | (void) iteration; |
| 308 | |
| 309 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); |
| 310 | if (ret) { |
| 311 | goto end; |
| 312 | } |
| 313 | |
| 314 | status = lttng_event_field_value_array_get_length(event_field, &count); |
| 315 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 316 | fail("lttng_event_field_value_array_get_length"); |
| 317 | ret = 1; |
| 318 | goto end; |
| 319 | } |
| 320 | |
| 321 | ret = (count == 4); |
| 322 | ok(ret, "Expected 4 subelement got %d", count); |
| 323 | if (!ret) { |
| 324 | ret = 1; |
| 325 | goto end; |
| 326 | } |
| 327 | |
| 328 | for (unsigned int i = 0; i < count ; i++) { |
| 329 | const struct lttng_event_field_value *value; |
| 330 | status = lttng_event_field_value_array_get_element_at_index( |
| 331 | event_field, i, &value); |
| 332 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 333 | fail("lttng_event_field_value_array_get_element_at_index"); |
| 334 | ret = 1; |
| 335 | goto end; |
| 336 | } |
| 337 | ret = validate_unsigned_int_field(value, expect[i]); |
| 338 | if (ret) { |
| 339 | goto end; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | ret = 0; |
| 344 | end: |
| 345 | |
| 346 | return ret; |
| 347 | } |
| 348 | |
| 349 | static int validate_string( |
| 350 | const struct lttng_event_field_value *event_field, |
| 351 | const char *expect) |
| 352 | { |
| 353 | int ret; |
| 354 | const char *value = NULL; |
| 355 | |
| 356 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_STRING); |
| 357 | if (ret) { |
| 358 | goto end; |
| 359 | } |
| 360 | |
| 361 | value = lttng_event_field_value_string_get_value(event_field); |
| 362 | if (!value) { |
| 363 | fail("lttng_event_field_value_array_get_length"); |
| 364 | ret = 1; |
| 365 | goto end; |
| 366 | } |
| 367 | |
| 368 | ok(!strcmp(value, expect), "Expected string: \"%s\" got \"%s\"", expect, value); |
| 369 | |
| 370 | ret = 0; |
| 371 | end: |
| 372 | |
| 373 | return ret; |
| 374 | } |
| 375 | |
| 376 | /* |
| 377 | * Validate string. Expected value is "test". |
| 378 | */ |
| 379 | static int validate_string_test( |
| 380 | const struct lttng_event_field_value *event_field, |
| 381 | unsigned int iteration) |
| 382 | { |
| 383 | int ret; |
| 384 | const char *expect = "test"; |
| 385 | |
| 386 | /* Unused */ |
| 387 | (void) iteration; |
| 388 | |
| 389 | ret = validate_string(event_field, expect); |
| 390 | return ret; |
| 391 | } |
| 392 | |
| 393 | /* |
| 394 | * Validate escaped string. Expected value is "\*". |
| 395 | */ |
| 396 | static int validate_string_escaped( |
| 397 | const struct lttng_event_field_value *event_field, |
| 398 | unsigned int iteration) |
| 399 | { |
| 400 | int ret; |
| 401 | const char *expect = "\\*"; |
| 402 | |
| 403 | /* Unused */ |
| 404 | (void) iteration; |
| 405 | |
| 406 | ret = validate_string(event_field, expect); |
| 407 | return ret; |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * Validate real field. |
| 412 | */ |
| 413 | static int validate_real( |
| 414 | const struct lttng_event_field_value *event_field, |
| 415 | double expect) |
| 416 | { |
| 417 | int ret; |
| 418 | double value; |
| 419 | enum lttng_event_field_value_status status; |
| 420 | |
| 421 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_REAL); |
| 422 | if (ret) { |
| 423 | goto end; |
| 424 | } |
| 425 | |
| 426 | status = lttng_event_field_value_real_get_value(event_field, &value); |
| 427 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 428 | fail("lttng_event_field_value_real_get_value"); |
| 429 | ret = 1; |
| 430 | goto end; |
| 431 | } |
| 432 | |
| 433 | ret = (value == expect); |
| 434 | ok(ret, "Real expected: %f got: %f", expect, value); |
| 435 | |
| 436 | ret = !ret; |
| 437 | end: |
| 438 | return ret; |
| 439 | } |
| 440 | |
| 441 | /* |
| 442 | * Validate floatfield. |
| 443 | */ |
| 444 | static int validate_floatfield( |
| 445 | const struct lttng_event_field_value *event_field, |
| 446 | unsigned int iteration) |
| 447 | { |
| 448 | int ret; |
| 449 | double expect = 2222.0; |
| 450 | |
| 451 | /* Unused */ |
| 452 | (void) iteration; |
| 453 | |
| 454 | ret = validate_real(event_field, expect); |
| 455 | return ret; |
| 456 | } |
| 457 | |
| 458 | /* |
| 459 | * Validate doublefield. |
| 460 | */ |
| 461 | static int validate_doublefield( |
| 462 | const struct lttng_event_field_value *event_field, |
| 463 | unsigned int iteration) |
| 464 | { |
| 465 | int ret; |
| 466 | double expect = 2.0; |
| 467 | |
| 468 | /* Unused */ |
| 469 | (void) iteration; |
| 470 | |
| 471 | ret = validate_real(event_field, expect); |
| 472 | return ret; |
| 473 | } |
| 474 | |
| 475 | /* |
| 476 | * Validate enum0: enum0 = ( "AUTO: EXPECT 0" : container = 0 ) |
| 477 | */ |
| 478 | static int validate_enum0(const struct lttng_event_field_value *event_field, |
| 479 | unsigned int iteration) |
| 480 | { |
| 481 | int ret; |
| 482 | enum lttng_event_field_value_status status; |
| 483 | uint64_t value; |
| 484 | uint64_t expected_value = 0; |
| 485 | |
| 486 | /* Unused */ |
| 487 | (void) iteration; |
| 488 | |
| 489 | ret = validate_type(event_field, |
| 490 | LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM); |
| 491 | if (ret) { |
| 492 | goto end; |
| 493 | } |
| 494 | |
| 495 | status = lttng_event_field_value_unsigned_int_get_value( |
| 496 | event_field, &value); |
| 497 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 498 | fail("lttng_event_field_value_unsigned_int_get_value"); |
| 499 | ret = 1; |
| 500 | goto end; |
| 501 | } |
| 502 | |
| 503 | ok(value == expected_value, |
| 504 | "Enum value expected: %" PRIu64 " got %" PRIu64, |
| 505 | expected_value, value); |
| 506 | |
| 507 | end: |
| 508 | return ret; |
| 509 | } |
| 510 | |
| 511 | /* |
| 512 | * Validate enumnegative: enumnegative = ( "AUTO: EXPECT 0" : container = 0 ) |
| 513 | * |
| 514 | * We expect 2 labels here. |
| 515 | */ |
| 516 | static int validate_enumnegative( |
| 517 | const struct lttng_event_field_value *event_field, |
| 518 | unsigned int iteration) |
| 519 | { |
| 520 | int ret; |
| 521 | enum lttng_event_field_value_status status; |
| 522 | int64_t value; |
| 523 | int64_t expected_value = -1; |
| 524 | |
| 525 | /* Unused */ |
| 526 | (void) iteration; |
| 527 | |
| 528 | ret = validate_type( |
| 529 | event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM); |
| 530 | if (ret) { |
| 531 | goto end; |
| 532 | } |
| 533 | |
| 534 | status = lttng_event_field_value_signed_int_get_value( |
| 535 | event_field, &value); |
| 536 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 537 | fail("lttng_event_field_value_unsigned_int_get_value"); |
| 538 | ret = 1; |
| 539 | goto end; |
| 540 | } |
| 541 | |
| 542 | ok(value == expected_value, |
| 543 | "Enum value expected: %" PRId64 " got %" PRId64, |
| 544 | expected_value, value); |
| 545 | |
| 546 | end: |
| 547 | return ret; |
| 548 | } |
| 549 | |
| 550 | static int validate_context_procname_ust( |
| 551 | const struct lttng_event_field_value *event_field, |
| 552 | unsigned int iteration) |
| 553 | { |
| 554 | int ret; |
| 555 | |
| 556 | /* Unused */ |
| 557 | (void) iteration; |
| 558 | |
| 559 | ret = validate_string(event_field, "gen-ust-events"); |
| 560 | return ret; |
| 561 | } |
| 562 | |
| 563 | static int validate_context_procname_kernel( |
| 564 | const struct lttng_event_field_value *event_field, |
| 565 | unsigned int iteration) |
| 566 | { |
| 567 | int ret; |
| 568 | |
| 569 | /* Unused */ |
| 570 | (void) iteration; |
| 571 | |
| 572 | ret = validate_string(event_field, "echo"); |
| 573 | return ret; |
| 574 | } |
| 575 | |
| 576 | struct capture_base_field_tuple test_capture_base_fields[] = { |
| 577 | {"DOESNOTEXIST", FIELD_TYPE_PAYLOAD, false, false, NULL, NULL}, |
| 578 | {"intfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field}, |
| 579 | {"longfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field}, |
| 580 | {"signedfield", FIELD_TYPE_PAYLOAD, true, true, validate_signed_int_field, validate_signed_int_field}, |
| 581 | {"arrfield1", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field}, |
| 582 | {"arrfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test}, |
| 583 | {"arrfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field}, |
| 584 | {"seqfield1", FIELD_TYPE_PAYLOAD, true, true, validate_seqfield1, validate_seqfield1}, |
| 585 | {"seqfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test}, |
| 586 | {"seqfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field}, |
| 587 | {"seqfield4", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field}, |
| 588 | {"arrfield1[1]", FIELD_TYPE_ARRAY_FIELD, true, true, validate_array_unsigned_int_field_at_index, validate_array_unsigned_int_field_at_index}, |
| 589 | {"stringfield", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test}, |
| 590 | {"stringfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_escaped, validate_string_escaped}, |
| 591 | {"floatfield", FIELD_TYPE_PAYLOAD, true, false, validate_floatfield, validate_floatfield}, |
| 592 | {"doublefield", FIELD_TYPE_PAYLOAD, true, false, validate_doublefield, validate_doublefield}, |
| 593 | {"enum0", FIELD_TYPE_PAYLOAD, true, true, validate_enum0, validate_enum0}, |
| 594 | {"enumnegative", FIELD_TYPE_PAYLOAD, true, true, validate_enumnegative, validate_enumnegative}, |
| 595 | {"$ctx.procname", FIELD_TYPE_CONTEXT, true, true, validate_context_procname_ust, validate_context_procname_kernel}, |
| 596 | }; |
| 597 | |
| 598 | static const char *get_notification_trigger_name( |
| 599 | struct lttng_notification *notification) |
| 600 | { |
| 601 | const char *name = NULL; |
| 602 | enum lttng_evaluation_status status; |
| 603 | const struct lttng_evaluation *evaluation; |
| 604 | evaluation = lttng_notification_get_evaluation(notification); |
| 605 | if (evaluation == NULL) { |
| 606 | fail("lttng_notification_get_evaluation"); |
| 607 | goto end; |
| 608 | } |
| 609 | |
| 610 | switch (lttng_evaluation_get_type(evaluation)) { |
| 611 | case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT: |
| 612 | { |
| 613 | status = lttng_evaluation_event_rule_get_trigger_name( |
| 614 | evaluation, &name); |
| 615 | if (status != LTTNG_EVALUATION_STATUS_OK) { |
| 616 | fail("lttng_evaluation_event_rule_get_trigger_name"); |
| 617 | name = NULL; |
| 618 | goto end; |
| 619 | } |
| 620 | break; |
| 621 | } |
| 622 | default: |
| 623 | fail("Wrong notification evaluation type \n"); |
| 624 | goto end; |
| 625 | } |
| 626 | end: |
| 627 | return name; |
| 628 | } |
| 629 | |
| 630 | static int validator_notification_trigger_name( |
| 631 | struct lttng_notification *notification, |
| 632 | const char *trigger_name) |
| 633 | { |
| 634 | int ret; |
| 635 | bool name_is_equal; |
| 636 | const char *name; |
| 637 | |
| 638 | assert(notification); |
| 639 | assert(trigger_name); |
| 640 | |
| 641 | name = get_notification_trigger_name(notification); |
| 642 | if (name == NULL) { |
| 643 | ret = 1; |
| 644 | goto end; |
| 645 | } |
| 646 | |
| 647 | name_is_equal = (strcmp(trigger_name, name) == 0); |
| 648 | ok(name_is_equal, "Expected trigger name: %s got %s", trigger_name, |
| 649 | name); |
| 650 | |
| 651 | ret = !name_is_equal; |
| 652 | |
| 653 | end: |
| 654 | return ret; |
| 655 | } |
| 656 | |
| 657 | static |
| 658 | void wait_on_file(const char *path, bool file_exist) |
| 659 | { |
| 660 | if (!path) { |
| 661 | return; |
| 662 | } |
| 663 | for (;;) { |
| 664 | int ret; |
| 665 | struct stat buf; |
| 666 | |
| 667 | ret = stat(path, &buf); |
| 668 | if (ret == -1 && errno == ENOENT) { |
| 669 | if (file_exist) { |
| 670 | /* |
| 671 | * The file does not exist. wait a bit and |
| 672 | * continue looping until it does. |
| 673 | */ |
| 674 | (void) poll(NULL, 0, 10); |
| 675 | continue; |
| 676 | } |
| 677 | |
| 678 | /* |
| 679 | * File does not exist and the exit condition we want. |
| 680 | * Break from the loop and return. |
| 681 | */ |
| 682 | break; |
| 683 | } |
| 684 | if (ret) { |
| 685 | perror("stat"); |
| 686 | exit(EXIT_FAILURE); |
| 687 | } |
| 688 | /* |
| 689 | * stat() returned 0, so the file exists. break now only if |
| 690 | * that's the exit condition we want. |
| 691 | */ |
| 692 | if (file_exist) { |
| 693 | break; |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | static |
| 699 | int write_pipe(const char *path, uint8_t data) |
| 700 | { |
| 701 | int ret = 0; |
| 702 | int fd = 0; |
| 703 | |
| 704 | fd = open(path, O_WRONLY | O_NONBLOCK); |
| 705 | if (fd < 0) { |
| 706 | perror("Could not open consumer control named pipe"); |
| 707 | goto end; |
| 708 | } |
| 709 | |
| 710 | ret = write(fd, &data , sizeof(data)); |
| 711 | if (ret < 1) { |
| 712 | perror("Named pipe write failed"); |
| 713 | if (close(fd)) { |
| 714 | perror("Named pipe close failed"); |
| 715 | } |
| 716 | ret = -1; |
| 717 | goto end; |
| 718 | } |
| 719 | |
| 720 | ret = close(fd); |
| 721 | if (ret < 0) { |
| 722 | perror("Name pipe closing failed"); |
| 723 | ret = -1; |
| 724 | goto end; |
| 725 | } |
| 726 | end: |
| 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | static |
| 731 | int stop_consumer(const char **argv) |
| 732 | { |
| 733 | int ret = 0, i; |
| 734 | |
| 735 | for (i = named_pipe_args_start; i < nb_args; i++) { |
| 736 | ret = write_pipe(argv[i], 49); |
| 737 | } |
| 738 | return ret; |
| 739 | } |
| 740 | |
| 741 | static |
| 742 | int resume_consumer(const char **argv) |
| 743 | { |
| 744 | int ret = 0, i; |
| 745 | |
| 746 | for (i = named_pipe_args_start; i < nb_args; i++) { |
| 747 | ret = write_pipe(argv[i], 0); |
| 748 | } |
| 749 | return ret; |
| 750 | } |
| 751 | |
| 752 | static |
| 753 | int suspend_application(void) |
| 754 | { |
| 755 | int ret; |
| 756 | struct stat buf; |
| 757 | |
| 758 | if (!stat(app_state_file, &buf)) { |
| 759 | fail("App is already in a suspended state."); |
| 760 | ret = -1; |
| 761 | goto error; |
| 762 | } |
| 763 | |
| 764 | /* |
| 765 | * Send SIGUSR1 to application instructing it to bypass tracepoint. |
| 766 | */ |
| 767 | assert(app_pid > 1); |
| 768 | |
| 769 | ret = kill(app_pid, SIGUSR1); |
| 770 | if (ret) { |
| 771 | fail("SIGUSR1 failed. errno %d", errno); |
| 772 | ret = -1; |
| 773 | goto error; |
| 774 | } |
| 775 | |
| 776 | wait_on_file(app_state_file, true); |
| 777 | |
| 778 | error: |
| 779 | return ret; |
| 780 | |
| 781 | } |
| 782 | |
| 783 | static |
| 784 | int resume_application() |
| 785 | { |
| 786 | int ret; |
| 787 | struct stat buf; |
| 788 | |
| 789 | ret = stat(app_state_file, &buf); |
| 790 | if (ret == -1 && errno == ENOENT) { |
| 791 | fail("State file does not exist"); |
| 792 | goto error; |
| 793 | } |
| 794 | if (ret) { |
| 795 | perror("stat"); |
| 796 | goto error; |
| 797 | } |
| 798 | |
| 799 | assert(app_pid > 1); |
| 800 | |
| 801 | ret = kill(app_pid, SIGUSR1); |
| 802 | if (ret) { |
| 803 | fail("SIGUSR1 failed. errno %d", errno); |
| 804 | ret = -1; |
| 805 | goto error; |
| 806 | } |
| 807 | |
| 808 | wait_on_file(app_state_file, false); |
| 809 | |
| 810 | error: |
| 811 | return ret; |
| 812 | |
| 813 | } |
| 814 | |
| 815 | |
| 816 | static |
| 817 | void test_triggers_buffer_usage_condition(const char *session_name, |
| 818 | const char *channel_name, |
| 819 | enum lttng_domain_type domain_type, |
| 820 | enum lttng_condition_type condition_type) |
| 821 | { |
| 822 | unsigned int test_vector_size = 5, i; |
| 823 | enum lttng_condition_status condition_status; |
| 824 | struct lttng_action *action; |
| 825 | |
| 826 | /* Set-up */ |
| 827 | action = lttng_action_notify_create(); |
| 828 | if (!action) { |
| 829 | fail("Setup error on action creation"); |
| 830 | goto end; |
| 831 | } |
| 832 | |
| 833 | /* Test lttng_register_trigger with null value */ |
| 834 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); |
| 835 | |
| 836 | /* Test: register a trigger */ |
| 837 | |
| 838 | for (i = 0; i < pow(2,test_vector_size); i++) { |
| 839 | int loop_ret = 0; |
| 840 | char *test_tuple_string = NULL; |
| 841 | unsigned int mask_position = 0; |
| 842 | bool session_name_set = false; |
| 843 | bool channel_name_set = false; |
| 844 | bool threshold_ratio_set = false; |
| 845 | bool threshold_byte_set = false; |
| 846 | bool domain_type_set = false; |
| 847 | |
| 848 | struct lttng_trigger *trigger = NULL; |
| 849 | struct lttng_condition *condition = NULL; |
| 850 | |
| 851 | /* Create base condition */ |
| 852 | switch (condition_type) { |
| 853 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: |
| 854 | condition = lttng_condition_buffer_usage_low_create(); |
| 855 | break; |
| 856 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: |
| 857 | condition = lttng_condition_buffer_usage_high_create(); |
| 858 | break; |
| 859 | default: |
| 860 | loop_ret = 1; |
| 861 | goto loop_end; |
| 862 | } |
| 863 | |
| 864 | if (!condition) { |
| 865 | loop_ret = 1; |
| 866 | goto loop_end; |
| 867 | |
| 868 | } |
| 869 | |
| 870 | /* Prepare the condition for trigger registration test */ |
| 871 | |
| 872 | /* Set session name */ |
| 873 | if ((1 << mask_position) & i) { |
| 874 | condition_status = lttng_condition_buffer_usage_set_session_name( |
| 875 | condition, session_name); |
| 876 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 877 | loop_ret = 1; |
| 878 | goto loop_end; |
| 879 | } |
| 880 | session_name_set = true; |
| 881 | } |
| 882 | mask_position++; |
| 883 | |
| 884 | /* Set channel name */ |
| 885 | if ((1 << mask_position) & i) { |
| 886 | condition_status = lttng_condition_buffer_usage_set_channel_name( |
| 887 | condition, channel_name); |
| 888 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 889 | loop_ret = 1; |
| 890 | goto loop_end; |
| 891 | } |
| 892 | channel_name_set = true; |
| 893 | } |
| 894 | mask_position++; |
| 895 | |
| 896 | /* Set threshold ratio */ |
| 897 | if ((1 << mask_position) & i) { |
| 898 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 899 | condition, 0.0); |
| 900 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 901 | loop_ret = 1; |
| 902 | goto loop_end; |
| 903 | } |
| 904 | threshold_ratio_set = true; |
| 905 | } |
| 906 | mask_position++; |
| 907 | |
| 908 | /* Set threshold byte */ |
| 909 | if ((1 << mask_position) & i) { |
| 910 | condition_status = lttng_condition_buffer_usage_set_threshold( |
| 911 | condition, 0); |
| 912 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 913 | loop_ret = 1; |
| 914 | goto loop_end; |
| 915 | } |
| 916 | threshold_byte_set = true; |
| 917 | } |
| 918 | mask_position++; |
| 919 | |
| 920 | /* Set domain type */ |
| 921 | if ((1 << mask_position) & i) { |
| 922 | condition_status = lttng_condition_buffer_usage_set_domain_type( |
| 923 | condition, LTTNG_DOMAIN_UST); |
| 924 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 925 | loop_ret = 1; |
| 926 | goto loop_end; |
| 927 | } |
| 928 | domain_type_set = true; |
| 929 | } |
| 930 | |
| 931 | /* Safety check */ |
| 932 | if (mask_position != test_vector_size -1) { |
| 933 | assert("Logic error for test vector generation"); |
| 934 | } |
| 935 | |
| 936 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", |
| 937 | session_name_set ? "set" : "unset", |
| 938 | channel_name_set ? "set" : "unset", |
| 939 | threshold_ratio_set ? "set" : "unset", |
| 940 | threshold_byte_set ? "set" : "unset", |
| 941 | domain_type_set? "set" : "unset"); |
| 942 | if (!test_tuple_string || loop_ret < 0) { |
| 943 | loop_ret = 1; |
| 944 | goto loop_end; |
| 945 | } |
| 946 | |
| 947 | /* Create trigger */ |
| 948 | trigger = lttng_trigger_create(condition, action); |
| 949 | if (!trigger) { |
| 950 | loop_ret = 1; |
| 951 | goto loop_end; |
| 952 | } |
| 953 | |
| 954 | loop_ret = lttng_register_trigger(trigger); |
| 955 | |
| 956 | loop_end: |
| 957 | if (loop_ret == 1) { |
| 958 | fail("Setup error occurred for tuple: %s", test_tuple_string); |
| 959 | goto loop_cleanup; |
| 960 | } |
| 961 | |
| 962 | /* This combination happens three times */ |
| 963 | if (session_name_set && channel_name_set |
| 964 | && (threshold_ratio_set || threshold_byte_set) |
| 965 | && domain_type_set) { |
| 966 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); |
| 967 | |
| 968 | /* |
| 969 | * Test that a trigger cannot be registered |
| 970 | * multiple time. |
| 971 | */ |
| 972 | loop_ret = lttng_register_trigger(trigger); |
| 973 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); |
| 974 | |
| 975 | /* Test that a trigger can be unregistered */ |
| 976 | loop_ret = lttng_unregister_trigger(trigger); |
| 977 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); |
| 978 | |
| 979 | /* |
| 980 | * Test that unregistration of a non-previously |
| 981 | * registered trigger fail. |
| 982 | */ |
| 983 | loop_ret = lttng_unregister_trigger(trigger); |
| 984 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
| 985 | } else { |
| 986 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); |
| 987 | } |
| 988 | |
| 989 | loop_cleanup: |
| 990 | free(test_tuple_string); |
| 991 | lttng_trigger_destroy(trigger); |
| 992 | lttng_condition_destroy(condition); |
| 993 | } |
| 994 | |
| 995 | end: |
| 996 | lttng_action_destroy(action); |
| 997 | } |
| 998 | |
| 999 | static |
| 1000 | void wait_data_pending(const char *session_name) |
| 1001 | { |
| 1002 | int ret; |
| 1003 | |
| 1004 | do { |
| 1005 | ret = lttng_data_pending(session_name); |
| 1006 | assert(ret >= 0); |
| 1007 | } while (ret != 0); |
| 1008 | } |
| 1009 | |
| 1010 | static |
| 1011 | int setup_buffer_usage_condition(struct lttng_condition *condition, |
| 1012 | const char *condition_name, |
| 1013 | const char *session_name, |
| 1014 | const char *channel_name, |
| 1015 | const enum lttng_domain_type domain_type) |
| 1016 | { |
| 1017 | enum lttng_condition_status condition_status; |
| 1018 | int ret = 0; |
| 1019 | |
| 1020 | condition_status = lttng_condition_buffer_usage_set_session_name( |
| 1021 | condition, session_name); |
| 1022 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1023 | fail("Error setting session name on %s creation", condition_name); |
| 1024 | ret = -1; |
| 1025 | goto end; |
| 1026 | } |
| 1027 | |
| 1028 | condition_status = lttng_condition_buffer_usage_set_channel_name( |
| 1029 | condition, channel_name); |
| 1030 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1031 | fail("Error setting channel name on %s creation", condition_name); |
| 1032 | ret = -1; |
| 1033 | goto end; |
| 1034 | } |
| 1035 | |
| 1036 | condition_status = lttng_condition_buffer_usage_set_domain_type( |
| 1037 | condition, domain_type); |
| 1038 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1039 | fail("Error setting domain type on %s creation", condition_name); |
| 1040 | ret = -1; |
| 1041 | goto end; |
| 1042 | } |
| 1043 | |
| 1044 | end: |
| 1045 | return ret; |
| 1046 | } |
| 1047 | |
| 1048 | static |
| 1049 | void test_invalid_channel_subscription( |
| 1050 | const enum lttng_domain_type domain_type) |
| 1051 | { |
| 1052 | enum lttng_condition_status condition_status; |
| 1053 | enum lttng_notification_channel_status nc_status; |
| 1054 | struct lttng_condition *dummy_condition = NULL; |
| 1055 | struct lttng_condition *dummy_invalid_condition = NULL; |
| 1056 | struct lttng_notification_channel *notification_channel = NULL; |
| 1057 | int ret = 0; |
| 1058 | |
| 1059 | notification_channel = lttng_notification_channel_create( |
| 1060 | lttng_session_daemon_notification_endpoint); |
| 1061 | ok(notification_channel, "Notification channel object creation"); |
| 1062 | if (!notification_channel) { |
| 1063 | goto end; |
| 1064 | } |
| 1065 | |
| 1066 | /* |
| 1067 | * Create a dummy, empty (thus invalid) condition to test error paths. |
| 1068 | */ |
| 1069 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); |
| 1070 | if (!dummy_invalid_condition) { |
| 1071 | fail("Setup error on condition creation"); |
| 1072 | goto end; |
| 1073 | } |
| 1074 | |
| 1075 | /* |
| 1076 | * Test subscription and unsubscription of an invalid condition to/from |
| 1077 | * a channel. |
| 1078 | */ |
| 1079 | nc_status = lttng_notification_channel_subscribe( |
| 1080 | notification_channel, dummy_invalid_condition); |
| 1081 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1082 | "Subscribing to an invalid condition"); |
| 1083 | |
| 1084 | nc_status = lttng_notification_channel_unsubscribe( |
| 1085 | notification_channel, dummy_invalid_condition); |
| 1086 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1087 | "Unsubscribing from an invalid condition"); |
| 1088 | |
| 1089 | /* Create a valid dummy condition with a ratio of 0.5 */ |
| 1090 | dummy_condition = lttng_condition_buffer_usage_low_create(); |
| 1091 | if (!dummy_condition) { |
| 1092 | fail("Setup error on dummy_condition creation"); |
| 1093 | goto end; |
| 1094 | } |
| 1095 | |
| 1096 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 1097 | dummy_condition, 0.5); |
| 1098 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1099 | fail("Setup error on condition creation"); |
| 1100 | goto end; |
| 1101 | } |
| 1102 | |
| 1103 | ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition", |
| 1104 | "dummy_session", "dummy_channel", domain_type); |
| 1105 | if (ret) { |
| 1106 | fail("Setup error on dummy condition creation"); |
| 1107 | goto end; |
| 1108 | } |
| 1109 | |
| 1110 | /* |
| 1111 | * Test subscription and unsubscription to/from a channel with invalid |
| 1112 | * parameters. |
| 1113 | */ |
| 1114 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); |
| 1115 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1116 | "Notification channel subscription is invalid: NULL, NULL"); |
| 1117 | |
| 1118 | nc_status = lttng_notification_channel_subscribe( |
| 1119 | notification_channel, NULL); |
| 1120 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1121 | "Notification channel subscription is invalid: NON-NULL, NULL"); |
| 1122 | |
| 1123 | nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition); |
| 1124 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1125 | "Notification channel subscription is invalid: NULL, NON-NULL"); |
| 1126 | |
| 1127 | nc_status = lttng_notification_channel_unsubscribe( |
| 1128 | notification_channel, dummy_condition); |
| 1129 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, |
| 1130 | "Unsubscribing from a valid unknown condition"); |
| 1131 | |
| 1132 | end: |
| 1133 | lttng_notification_channel_destroy(notification_channel); |
| 1134 | lttng_condition_destroy(dummy_invalid_condition); |
| 1135 | lttng_condition_destroy(dummy_condition); |
| 1136 | return; |
| 1137 | } |
| 1138 | |
| 1139 | enum buffer_usage_type { |
| 1140 | BUFFER_USAGE_TYPE_LOW, |
| 1141 | BUFFER_USAGE_TYPE_HIGH, |
| 1142 | }; |
| 1143 | |
| 1144 | static int register_buffer_usage_notify_trigger(const char *session_name, |
| 1145 | const char *channel_name, |
| 1146 | const enum lttng_domain_type domain_type, |
| 1147 | enum buffer_usage_type buffer_usage_type, |
| 1148 | double ratio, |
| 1149 | struct lttng_condition **condition, |
| 1150 | struct lttng_action **action, |
| 1151 | struct lttng_trigger **trigger) |
| 1152 | { |
| 1153 | enum lttng_condition_status condition_status; |
| 1154 | struct lttng_action *tmp_action = NULL; |
| 1155 | struct lttng_condition *tmp_condition = NULL; |
| 1156 | struct lttng_trigger *tmp_trigger = NULL; |
| 1157 | int ret = 0; |
| 1158 | |
| 1159 | /* Set-up */ |
| 1160 | tmp_action = lttng_action_notify_create(); |
| 1161 | if (!action) { |
| 1162 | fail("Setup error on action creation"); |
| 1163 | ret = -1; |
| 1164 | goto error; |
| 1165 | } |
| 1166 | |
| 1167 | if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) { |
| 1168 | tmp_condition = lttng_condition_buffer_usage_low_create(); |
| 1169 | } else { |
| 1170 | tmp_condition = lttng_condition_buffer_usage_high_create(); |
| 1171 | } |
| 1172 | |
| 1173 | if (!tmp_condition) { |
| 1174 | fail("Setup error on condition creation"); |
| 1175 | ret = -1; |
| 1176 | goto error; |
| 1177 | } |
| 1178 | |
| 1179 | /* Set the buffer usage threashold */ |
| 1180 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 1181 | tmp_condition, ratio); |
| 1182 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1183 | fail("Setup error on condition creation"); |
| 1184 | ret = -1; |
| 1185 | goto error; |
| 1186 | } |
| 1187 | |
| 1188 | ret = setup_buffer_usage_condition(tmp_condition, "condition_name", |
| 1189 | session_name, channel_name, domain_type); |
| 1190 | if (ret) { |
| 1191 | fail("Setup error on condition creation"); |
| 1192 | ret = -1; |
| 1193 | goto error; |
| 1194 | } |
| 1195 | |
| 1196 | /* Register the triggers for condition */ |
| 1197 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); |
| 1198 | if (!tmp_trigger) { |
| 1199 | fail("Setup error on trigger creation"); |
| 1200 | ret = -1; |
| 1201 | goto error; |
| 1202 | } |
| 1203 | |
| 1204 | ret = lttng_register_trigger(tmp_trigger); |
| 1205 | if (ret) { |
| 1206 | fail("Setup error on trigger registration"); |
| 1207 | ret = -1; |
| 1208 | goto error; |
| 1209 | } |
| 1210 | |
| 1211 | *condition = tmp_condition; |
| 1212 | *trigger = tmp_trigger; |
| 1213 | *action = tmp_action; |
| 1214 | goto end; |
| 1215 | |
| 1216 | error: |
| 1217 | lttng_action_destroy(tmp_action); |
| 1218 | lttng_condition_destroy(tmp_condition); |
| 1219 | lttng_trigger_destroy(tmp_trigger); |
| 1220 | |
| 1221 | end: |
| 1222 | return ret; |
| 1223 | } |
| 1224 | |
| 1225 | static void test_subscription_twice(const char *session_name, |
| 1226 | const char *channel_name, |
| 1227 | const enum lttng_domain_type domain_type) |
| 1228 | { |
| 1229 | int ret = 0; |
| 1230 | enum lttng_notification_channel_status nc_status; |
| 1231 | |
| 1232 | struct lttng_action *action = NULL; |
| 1233 | struct lttng_notification_channel *notification_channel = NULL; |
| 1234 | struct lttng_trigger *trigger = NULL; |
| 1235 | |
| 1236 | struct lttng_condition *condition = NULL; |
| 1237 | |
| 1238 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1239 | domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition, |
| 1240 | &action, &trigger); |
| 1241 | if (ret) { |
| 1242 | fail("Setup error on trigger registration"); |
| 1243 | goto end; |
| 1244 | } |
| 1245 | |
| 1246 | /* Begin testing. */ |
| 1247 | notification_channel = lttng_notification_channel_create( |
| 1248 | lttng_session_daemon_notification_endpoint); |
| 1249 | ok(notification_channel, "Notification channel object creation"); |
| 1250 | if (!notification_channel) { |
| 1251 | goto end; |
| 1252 | } |
| 1253 | |
| 1254 | /* Subscribe a valid condition. */ |
| 1255 | nc_status = lttng_notification_channel_subscribe( |
| 1256 | notification_channel, condition); |
| 1257 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1258 | "Subscribe to condition"); |
| 1259 | |
| 1260 | /* Subscribing again should fail. */ |
| 1261 | nc_status = lttng_notification_channel_subscribe( |
| 1262 | notification_channel, condition); |
| 1263 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, |
| 1264 | "Subscribe to a condition for which subscription was already done"); |
| 1265 | |
| 1266 | end: |
| 1267 | lttng_unregister_trigger(trigger); |
| 1268 | lttng_trigger_destroy(trigger); |
| 1269 | lttng_notification_channel_destroy(notification_channel); |
| 1270 | lttng_action_destroy(action); |
| 1271 | lttng_condition_destroy(condition); |
| 1272 | } |
| 1273 | |
| 1274 | static void test_buffer_usage_notification_channel(const char *session_name, |
| 1275 | const char *channel_name, |
| 1276 | const enum lttng_domain_type domain_type, |
| 1277 | const char **argv) |
| 1278 | { |
| 1279 | int ret = 0; |
| 1280 | enum lttng_notification_channel_status nc_status; |
| 1281 | |
| 1282 | struct lttng_action *low_action = NULL; |
| 1283 | struct lttng_action *high_action = NULL; |
| 1284 | struct lttng_notification *notification = NULL; |
| 1285 | struct lttng_notification_channel *notification_channel = NULL; |
| 1286 | struct lttng_trigger *low_trigger = NULL; |
| 1287 | struct lttng_trigger *high_trigger = NULL; |
| 1288 | |
| 1289 | struct lttng_condition *low_condition = NULL; |
| 1290 | struct lttng_condition *high_condition = NULL; |
| 1291 | |
| 1292 | double low_ratio = 0.0; |
| 1293 | /* This is not 99 since we can end up in scenario where an event is |
| 1294 | * bigger than 1% of the buffer and hence the buffer ratio will never |
| 1295 | * trigger since the event will always be discarder by the tracer. |
| 1296 | */ |
| 1297 | |
| 1298 | double high_ratio = 0.90; |
| 1299 | |
| 1300 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1301 | domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio, |
| 1302 | &low_condition, &low_action, &low_trigger); |
| 1303 | if (ret) { |
| 1304 | fail("Setup error on low trigger registration"); |
| 1305 | goto end; |
| 1306 | } |
| 1307 | |
| 1308 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1309 | domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio, |
| 1310 | &high_condition, &high_action, &high_trigger); |
| 1311 | if (ret) { |
| 1312 | fail("Setup error on high trigger registration"); |
| 1313 | goto end; |
| 1314 | } |
| 1315 | |
| 1316 | /* Begin testing */ |
| 1317 | notification_channel = lttng_notification_channel_create( |
| 1318 | lttng_session_daemon_notification_endpoint); |
| 1319 | ok(notification_channel, "Notification channel object creation"); |
| 1320 | if (!notification_channel) { |
| 1321 | goto end; |
| 1322 | } |
| 1323 | |
| 1324 | /* Subscribe a valid low condition */ |
| 1325 | nc_status = lttng_notification_channel_subscribe( |
| 1326 | notification_channel, low_condition); |
| 1327 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1328 | "Subscribe to low condition"); |
| 1329 | |
| 1330 | /* Subscribe a valid high condition */ |
| 1331 | nc_status = lttng_notification_channel_subscribe( |
| 1332 | notification_channel, high_condition); |
| 1333 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1334 | "Subscribe to high condition"); |
| 1335 | |
| 1336 | resume_application(); |
| 1337 | |
| 1338 | /* Wait for notification to happen */ |
| 1339 | stop_consumer(argv); |
| 1340 | lttng_start_tracing(session_name); |
| 1341 | |
| 1342 | /* Wait for high notification */ |
| 1343 | do { |
| 1344 | nc_status = lttng_notification_channel_get_next_notification( |
| 1345 | notification_channel, ¬ification); |
| 1346 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1347 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1348 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1349 | notification)) == |
| 1350 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1351 | "High notification received after intermediary communication"); |
| 1352 | lttng_notification_destroy(notification); |
| 1353 | notification = NULL; |
| 1354 | |
| 1355 | suspend_application(); |
| 1356 | lttng_stop_tracing_no_wait(session_name); |
| 1357 | resume_consumer(argv); |
| 1358 | wait_data_pending(session_name); |
| 1359 | |
| 1360 | /* |
| 1361 | * Test that communication still work even if there is notification |
| 1362 | * waiting for consumption. |
| 1363 | */ |
| 1364 | |
| 1365 | nc_status = lttng_notification_channel_unsubscribe( |
| 1366 | notification_channel, low_condition); |
| 1367 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1368 | "Unsubscribe with pending notification"); |
| 1369 | |
| 1370 | nc_status = lttng_notification_channel_subscribe( |
| 1371 | notification_channel, low_condition); |
| 1372 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1373 | "Subscribe with pending notification"); |
| 1374 | |
| 1375 | do { |
| 1376 | nc_status = lttng_notification_channel_get_next_notification( |
| 1377 | notification_channel, ¬ification); |
| 1378 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1379 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1380 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1381 | notification)) == |
| 1382 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, |
| 1383 | "Low notification received after intermediary communication"); |
| 1384 | lttng_notification_destroy(notification); |
| 1385 | notification = NULL; |
| 1386 | |
| 1387 | /* Stop consumer to force a high notification */ |
| 1388 | stop_consumer(argv); |
| 1389 | resume_application(); |
| 1390 | lttng_start_tracing(session_name); |
| 1391 | |
| 1392 | do { |
| 1393 | nc_status = lttng_notification_channel_get_next_notification( |
| 1394 | notification_channel, ¬ification); |
| 1395 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1396 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1397 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1398 | notification)) == |
| 1399 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1400 | "High notification received after intermediary communication"); |
| 1401 | lttng_notification_destroy(notification); |
| 1402 | notification = NULL; |
| 1403 | |
| 1404 | suspend_application(); |
| 1405 | lttng_stop_tracing_no_wait(session_name); |
| 1406 | resume_consumer(argv); |
| 1407 | wait_data_pending(session_name); |
| 1408 | |
| 1409 | do { |
| 1410 | nc_status = lttng_notification_channel_get_next_notification( |
| 1411 | notification_channel, ¬ification); |
| 1412 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1413 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1414 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1415 | notification)) == |
| 1416 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, |
| 1417 | "Low notification received after re-subscription"); |
| 1418 | lttng_notification_destroy(notification); |
| 1419 | notification = NULL; |
| 1420 | |
| 1421 | stop_consumer(argv); |
| 1422 | resume_application(); |
| 1423 | /* Stop consumer to force a high notification */ |
| 1424 | lttng_start_tracing(session_name); |
| 1425 | |
| 1426 | do { |
| 1427 | nc_status = lttng_notification_channel_get_next_notification( |
| 1428 | notification_channel, ¬ification); |
| 1429 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1430 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1431 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1432 | notification)) == |
| 1433 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1434 | "High notification"); |
| 1435 | lttng_notification_destroy(notification); |
| 1436 | notification = NULL; |
| 1437 | |
| 1438 | suspend_application(); |
| 1439 | |
| 1440 | /* Resume consumer to allow event consumption */ |
| 1441 | lttng_stop_tracing_no_wait(session_name); |
| 1442 | resume_consumer(argv); |
| 1443 | wait_data_pending(session_name); |
| 1444 | |
| 1445 | nc_status = lttng_notification_channel_unsubscribe( |
| 1446 | notification_channel, low_condition); |
| 1447 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1448 | "Unsubscribe low condition with pending notification"); |
| 1449 | |
| 1450 | nc_status = lttng_notification_channel_unsubscribe( |
| 1451 | notification_channel, high_condition); |
| 1452 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1453 | "Unsubscribe high condition with pending notification"); |
| 1454 | |
| 1455 | end: |
| 1456 | lttng_notification_channel_destroy(notification_channel); |
| 1457 | lttng_trigger_destroy(low_trigger); |
| 1458 | lttng_trigger_destroy(high_trigger); |
| 1459 | lttng_action_destroy(low_action); |
| 1460 | lttng_action_destroy(high_action); |
| 1461 | lttng_condition_destroy(low_condition); |
| 1462 | lttng_condition_destroy(high_condition); |
| 1463 | } |
| 1464 | |
| 1465 | static void create_tracepoint_event_rule_trigger(const char *event_pattern, |
| 1466 | const char *trigger_name, |
| 1467 | const char *filter, |
| 1468 | unsigned int exclusion_count, |
| 1469 | const char **exclusions, |
| 1470 | enum lttng_domain_type domain_type, |
| 1471 | condition_capture_desc_cb capture_desc_cb, |
| 1472 | struct lttng_condition **condition, |
| 1473 | struct lttng_action **action, |
| 1474 | struct lttng_trigger **trigger) |
| 1475 | { |
| 1476 | enum lttng_event_rule_status event_rule_status; |
| 1477 | enum lttng_trigger_status trigger_status; |
| 1478 | |
| 1479 | struct lttng_action *tmp_action = NULL; |
| 1480 | struct lttng_event_rule *event_rule = NULL; |
| 1481 | struct lttng_condition *tmp_condition = NULL; |
| 1482 | struct lttng_trigger *tmp_trigger = NULL; |
| 1483 | int ret; |
| 1484 | |
| 1485 | assert(event_pattern); |
| 1486 | assert(trigger_name); |
| 1487 | assert(condition); |
| 1488 | assert(trigger); |
| 1489 | |
| 1490 | event_rule = lttng_event_rule_tracepoint_create(domain_type); |
| 1491 | ok(event_rule, "Tracepoint event rule object creation"); |
| 1492 | |
| 1493 | event_rule_status = lttng_event_rule_tracepoint_set_pattern( |
| 1494 | event_rule, event_pattern); |
| 1495 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1496 | "Setting tracepoint event rule pattern: %s", |
| 1497 | event_pattern); |
| 1498 | |
| 1499 | if (filter) { |
| 1500 | event_rule_status = lttng_event_rule_tracepoint_set_filter( |
| 1501 | event_rule, filter); |
| 1502 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1503 | "Setting tracepoint event rule filter: %s", |
| 1504 | filter); |
| 1505 | } |
| 1506 | |
| 1507 | if (exclusions) { |
| 1508 | int i; |
| 1509 | bool success = true; |
| 1510 | assert(domain_type == LTTNG_DOMAIN_UST); |
| 1511 | assert(exclusion_count > 0); |
| 1512 | |
| 1513 | for (i = 0; i < exclusion_count; i++) { |
| 1514 | event_rule_status = |
| 1515 | lttng_event_rule_tracepoint_add_exclusion( |
| 1516 | event_rule, |
| 1517 | exclusions[i]); |
| 1518 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 1519 | fail("Setting tracepoint event rule exclusion \"%s\".", |
| 1520 | exclusions[i]); |
| 1521 | success = false; |
| 1522 | } |
| 1523 | } |
| 1524 | ok(success, "Setting tracepoint event rule exclusions"); |
| 1525 | } |
| 1526 | |
| 1527 | tmp_condition = lttng_condition_event_rule_create(event_rule); |
| 1528 | ok(tmp_condition, "Condition event rule object creation"); |
| 1529 | |
| 1530 | if (capture_desc_cb) { |
| 1531 | ret = capture_desc_cb(tmp_condition); |
| 1532 | if (ret) { |
| 1533 | assert("Generating the condition capture descriptor"); |
| 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | tmp_action = lttng_action_notify_create(); |
| 1538 | ok(tmp_action, "Action event rule object creation"); |
| 1539 | |
| 1540 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); |
| 1541 | ok(tmp_trigger, "Trigger object creation %s", trigger_name); |
| 1542 | |
| 1543 | trigger_status = lttng_trigger_set_name(tmp_trigger, trigger_name); |
| 1544 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, |
| 1545 | "Setting name to trigger %s", trigger_name); |
| 1546 | |
| 1547 | ret = lttng_register_trigger(tmp_trigger); |
| 1548 | ok(ret == 0, "Trigger registration %s", trigger_name); |
| 1549 | |
| 1550 | lttng_event_rule_destroy(event_rule); |
| 1551 | |
| 1552 | *condition = tmp_condition; |
| 1553 | *action = tmp_action; |
| 1554 | *trigger = tmp_trigger; |
| 1555 | |
| 1556 | return; |
| 1557 | } |
| 1558 | |
| 1559 | static struct lttng_notification *get_next_notification( |
| 1560 | struct lttng_notification_channel *notification_channel) |
| 1561 | { |
| 1562 | struct lttng_notification *local_notification = NULL; |
| 1563 | enum lttng_notification_channel_status status; |
| 1564 | |
| 1565 | /* Receive the next notification. */ |
| 1566 | status = lttng_notification_channel_get_next_notification( |
| 1567 | notification_channel, &local_notification); |
| 1568 | |
| 1569 | switch (status) { |
| 1570 | case LTTNG_NOTIFICATION_CHANNEL_STATUS_OK: |
| 1571 | break; |
| 1572 | case LTTNG_NOTIFICATION_CHANNEL_STATUS_NOTIFICATIONS_DROPPED: |
| 1573 | fail("Notifications have been dropped"); |
| 1574 | local_notification = NULL; |
| 1575 | break; |
| 1576 | default: |
| 1577 | /* Unhandled conditions / errors. */ |
| 1578 | fail("error: Unknown notification channel status\n"); |
| 1579 | local_notification = NULL; |
| 1580 | break; |
| 1581 | } |
| 1582 | |
| 1583 | return local_notification; |
| 1584 | } |
| 1585 | |
| 1586 | static void test_tracepoint_event_rule_notification( |
| 1587 | enum lttng_domain_type domain_type) |
| 1588 | { |
| 1589 | int i; |
| 1590 | int ret; |
| 1591 | enum lttng_notification_channel_status nc_status; |
| 1592 | |
| 1593 | struct lttng_action *action = NULL; |
| 1594 | struct lttng_condition *condition = NULL; |
| 1595 | struct lttng_notification_channel *notification_channel = NULL; |
| 1596 | struct lttng_trigger *trigger = NULL; |
| 1597 | const char *trigger_name = "my_precious"; |
| 1598 | const char *pattern; |
| 1599 | |
| 1600 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 1601 | pattern = "tp:tptest"; |
| 1602 | } else { |
| 1603 | pattern = "lttng_test_filter_event"; |
| 1604 | } |
| 1605 | |
| 1606 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, |
| 1607 | NULL, domain_type, NULL, &condition, &action, &trigger); |
| 1608 | |
| 1609 | notification_channel = lttng_notification_channel_create( |
| 1610 | lttng_session_daemon_notification_endpoint); |
| 1611 | ok(notification_channel, "Notification channel object creation"); |
| 1612 | |
| 1613 | nc_status = lttng_notification_channel_subscribe( |
| 1614 | notification_channel, condition); |
| 1615 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1616 | "Subscribe to tracepoint event rule condition"); |
| 1617 | |
| 1618 | resume_application(); |
| 1619 | |
| 1620 | /* Get 3 notifications */ |
| 1621 | for (i = 0; i < 3; i++) { |
| 1622 | struct lttng_notification *notification = get_next_notification( |
| 1623 | notification_channel); |
| 1624 | ok(notification, "Received notification"); |
| 1625 | |
| 1626 | /* Error */ |
| 1627 | if (notification == NULL) { |
| 1628 | goto end; |
| 1629 | } |
| 1630 | |
| 1631 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 1632 | lttng_notification_destroy(notification); |
| 1633 | if (ret) { |
| 1634 | goto end; |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | end: |
| 1639 | suspend_application(); |
| 1640 | lttng_notification_channel_destroy(notification_channel); |
| 1641 | lttng_unregister_trigger(trigger); |
| 1642 | lttng_trigger_destroy(trigger); |
| 1643 | lttng_action_destroy(action); |
| 1644 | lttng_condition_destroy(condition); |
| 1645 | return; |
| 1646 | } |
| 1647 | |
| 1648 | static void test_tracepoint_event_rule_notification_filter( |
| 1649 | enum lttng_domain_type domain_type) |
| 1650 | { |
| 1651 | int i; |
| 1652 | enum lttng_notification_channel_status nc_status; |
| 1653 | |
| 1654 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; |
| 1655 | struct lttng_action *ctrl_action = NULL, *action = NULL; |
| 1656 | struct lttng_notification_channel *notification_channel = NULL; |
| 1657 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; |
| 1658 | const char *ctrl_trigger_name = "control_trigger"; |
| 1659 | const char *trigger_name = "trigger"; |
| 1660 | const char *pattern; |
| 1661 | int ctrl_count = 0, count = 0; |
| 1662 | |
| 1663 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 1664 | pattern = "tp:tptest"; |
| 1665 | } else { |
| 1666 | pattern = "lttng_test_filter_event"; |
| 1667 | } |
| 1668 | |
| 1669 | notification_channel = lttng_notification_channel_create( |
| 1670 | lttng_session_daemon_notification_endpoint); |
| 1671 | ok(notification_channel, "Notification channel object creation"); |
| 1672 | |
| 1673 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, |
| 1674 | 0, NULL, domain_type, NULL, &ctrl_condition, |
| 1675 | &ctrl_action, &ctrl_trigger); |
| 1676 | |
| 1677 | nc_status = lttng_notification_channel_subscribe( |
| 1678 | notification_channel, ctrl_condition); |
| 1679 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1680 | "Subscribe to tracepoint event rule condition"); |
| 1681 | |
| 1682 | /* |
| 1683 | * Attach a filter expression to get notification only if the |
| 1684 | * `intfield` is even. |
| 1685 | */ |
| 1686 | create_tracepoint_event_rule_trigger(pattern, trigger_name, |
| 1687 | "(intfield & 1) == 0", 0, NULL, domain_type, NULL, |
| 1688 | &condition, &action, &trigger); |
| 1689 | |
| 1690 | nc_status = lttng_notification_channel_subscribe( |
| 1691 | notification_channel, condition); |
| 1692 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1693 | "Subscribe to tracepoint event rule condition"); |
| 1694 | |
| 1695 | /* |
| 1696 | * We registered 2 notifications triggers, one with a filter and one |
| 1697 | * without (control). The one with a filter will only fired when the |
| 1698 | * `intfield` is a multiple of 2. We should get two times as many |
| 1699 | * control notifications as filter notifications. |
| 1700 | */ |
| 1701 | resume_application(); |
| 1702 | |
| 1703 | /* |
| 1704 | * Get 3 notifications. We should get 1 for the regular trigger (with |
| 1705 | * the filter) and 2 from the control trigger. This works whatever |
| 1706 | * the order we receive the notifications. |
| 1707 | */ |
| 1708 | for (i = 0; i < 3; i++) { |
| 1709 | const char *name; |
| 1710 | struct lttng_notification *notification = get_next_notification( |
| 1711 | notification_channel); |
| 1712 | ok(notification, "Received notification"); |
| 1713 | |
| 1714 | /* Error */ |
| 1715 | if (notification == NULL) { |
| 1716 | goto end; |
| 1717 | } |
| 1718 | |
| 1719 | name = get_notification_trigger_name(notification); |
| 1720 | if (name == NULL) { |
| 1721 | lttng_notification_destroy(notification); |
| 1722 | goto end; |
| 1723 | } |
| 1724 | |
| 1725 | if (strcmp(ctrl_trigger_name, name) == 0) { |
| 1726 | ctrl_count++; |
| 1727 | } else if (strcmp(trigger_name, name) == 0) { |
| 1728 | count++; |
| 1729 | } |
| 1730 | lttng_notification_destroy(notification); |
| 1731 | } |
| 1732 | ok(ctrl_count / 2 == count, |
| 1733 | "Get twice as many control notif as of regular notif"); |
| 1734 | |
| 1735 | end: |
| 1736 | suspend_application(); |
| 1737 | lttng_unregister_trigger(trigger); |
| 1738 | lttng_unregister_trigger(ctrl_trigger); |
| 1739 | lttng_notification_channel_destroy(notification_channel); |
| 1740 | lttng_trigger_destroy(trigger); |
| 1741 | lttng_trigger_destroy(ctrl_trigger); |
| 1742 | lttng_condition_destroy(condition); |
| 1743 | lttng_condition_destroy(ctrl_condition); |
| 1744 | lttng_action_destroy(action); |
| 1745 | lttng_action_destroy(ctrl_action); |
| 1746 | return; |
| 1747 | } |
| 1748 | |
| 1749 | static void test_tracepoint_event_rule_notification_exclusion( |
| 1750 | enum lttng_domain_type domain_type) |
| 1751 | { |
| 1752 | enum lttng_notification_channel_status nc_status; |
| 1753 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; |
| 1754 | struct lttng_action *ctrl_action = NULL, *action = NULL; |
| 1755 | struct lttng_notification_channel *notification_channel = NULL; |
| 1756 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; |
| 1757 | const char *ctrl_trigger_name = "control_exclusion_trigger"; |
| 1758 | const char *trigger_name = "exclusion_trigger"; |
| 1759 | const char *pattern = "tp:tptest*"; |
| 1760 | const char *exclusions[4] = { |
| 1761 | "tp:tptest2", "tp:tptest3", "tp:tptest4", "tp:tptest5"}; |
| 1762 | int ctrl_count = 0, count = 0; |
| 1763 | int i; |
| 1764 | |
| 1765 | notification_channel = lttng_notification_channel_create( |
| 1766 | lttng_session_daemon_notification_endpoint); |
| 1767 | ok(notification_channel, "Notification channel object creation"); |
| 1768 | |
| 1769 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, |
| 1770 | 0, NULL, domain_type, NULL, &ctrl_condition, |
| 1771 | &ctrl_action, &ctrl_trigger); |
| 1772 | |
| 1773 | nc_status = lttng_notification_channel_subscribe( |
| 1774 | notification_channel, ctrl_condition); |
| 1775 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1776 | "Subscribe to tracepoint event rule condition"); |
| 1777 | |
| 1778 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4, |
| 1779 | exclusions, domain_type, NULL, &condition, &action, |
| 1780 | &trigger); |
| 1781 | |
| 1782 | nc_status = lttng_notification_channel_subscribe( |
| 1783 | notification_channel, condition); |
| 1784 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1785 | "Subscribe to tracepoint event rule condition"); |
| 1786 | |
| 1787 | /* |
| 1788 | * We registered 2 notifications triggers, one with an exclusion and |
| 1789 | * one without (control). |
| 1790 | * - The trigger with an exclusion will fire once every iteration. |
| 1791 | * - The trigger without an exclusion will fire 5 times every |
| 1792 | * iteration. |
| 1793 | * |
| 1794 | * We should get 5 times as many notifications from the control |
| 1795 | * trigger. |
| 1796 | */ |
| 1797 | resume_application(); |
| 1798 | |
| 1799 | /* |
| 1800 | * Get 6 notifications. We should get 1 for the regular trigger (with |
| 1801 | * the exclusion) and 5 from the control trigger. This works whatever |
| 1802 | * the order we receive the notifications. |
| 1803 | */ |
| 1804 | for (i = 0; i < 6; i++) { |
| 1805 | const char *name; |
| 1806 | struct lttng_notification *notification = get_next_notification( |
| 1807 | notification_channel); |
| 1808 | ok(notification, "Received notification"); |
| 1809 | |
| 1810 | /* Error */ |
| 1811 | if (notification == NULL) { |
| 1812 | goto end; |
| 1813 | } |
| 1814 | |
| 1815 | name = get_notification_trigger_name(notification); |
| 1816 | if (name == NULL) { |
| 1817 | lttng_notification_destroy(notification); |
| 1818 | goto end; |
| 1819 | } |
| 1820 | |
| 1821 | if (strcmp(ctrl_trigger_name, name) == 0) { |
| 1822 | ctrl_count++; |
| 1823 | } else if (strcmp(trigger_name, name) == 0) { |
| 1824 | count++; |
| 1825 | } |
| 1826 | lttng_notification_destroy(notification); |
| 1827 | } |
| 1828 | ok(ctrl_count / 5 == count, |
| 1829 | "Got 5 times as many control notif as of regular notif"); |
| 1830 | |
| 1831 | end: |
| 1832 | suspend_application(); |
| 1833 | lttng_unregister_trigger(trigger); |
| 1834 | lttng_unregister_trigger(ctrl_trigger); |
| 1835 | lttng_notification_channel_destroy(notification_channel); |
| 1836 | lttng_trigger_destroy(trigger); |
| 1837 | lttng_trigger_destroy(ctrl_trigger); |
| 1838 | lttng_condition_destroy(condition); |
| 1839 | lttng_condition_destroy(ctrl_condition); |
| 1840 | lttng_action_destroy(action); |
| 1841 | lttng_action_destroy(ctrl_action); |
| 1842 | return; |
| 1843 | } |
| 1844 | |
| 1845 | static void test_kprobe_event_rule_notification( |
| 1846 | enum lttng_domain_type domain_type) |
| 1847 | { |
| 1848 | enum lttng_notification_channel_status nc_status; |
| 1849 | enum lttng_event_rule_status event_rule_status; |
| 1850 | enum lttng_trigger_status trigger_status; |
| 1851 | |
| 1852 | struct lttng_notification_channel *notification_channel = NULL; |
| 1853 | struct lttng_condition *condition = NULL; |
| 1854 | struct lttng_kernel_probe_location *location = NULL; |
| 1855 | struct lttng_event_rule *event_rule = NULL; |
| 1856 | struct lttng_action *action = NULL; |
| 1857 | struct lttng_trigger *trigger = NULL; |
| 1858 | const char *trigger_name = "kprobe_trigger"; |
| 1859 | const char *symbol_name = "_do_fork"; |
| 1860 | int i, ret; |
| 1861 | |
| 1862 | action = lttng_action_notify_create(); |
| 1863 | if (!action) { |
| 1864 | fail("Setup error on action creation"); |
| 1865 | goto end; |
| 1866 | } |
| 1867 | |
| 1868 | location = lttng_kernel_probe_location_symbol_create(symbol_name, 0); |
| 1869 | if (!location) { |
| 1870 | fail("Could not create kernel probe location."); |
| 1871 | goto end; |
| 1872 | } |
| 1873 | |
| 1874 | notification_channel = lttng_notification_channel_create( |
| 1875 | lttng_session_daemon_notification_endpoint); |
| 1876 | ok(notification_channel, "Notification channel object creation"); |
| 1877 | |
| 1878 | event_rule = lttng_event_rule_kprobe_create(); |
| 1879 | ok(event_rule, "kprobe event rule object creation"); |
| 1880 | |
| 1881 | event_rule_status = lttng_event_rule_kprobe_set_location( |
| 1882 | event_rule, location); |
| 1883 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1884 | "Setting kprobe event rule location: %s", symbol_name); |
| 1885 | |
| 1886 | event_rule_status = lttng_event_rule_kprobe_set_name( |
| 1887 | event_rule, trigger_name); |
| 1888 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1889 | "Setting kprobe event rule name: %s", trigger_name); |
| 1890 | |
| 1891 | condition = lttng_condition_event_rule_create(event_rule); |
| 1892 | ok(condition, "Condition event rule object creation"); |
| 1893 | |
| 1894 | /* Register the triggers for condition */ |
| 1895 | trigger = lttng_trigger_create(condition, action); |
| 1896 | if (!trigger) { |
| 1897 | fail("Setup error on trigger creation"); |
| 1898 | goto end; |
| 1899 | } |
| 1900 | |
| 1901 | trigger_status = lttng_trigger_set_name(trigger, trigger_name); |
| 1902 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, |
| 1903 | "Setting name to trigger %s", trigger_name); |
| 1904 | |
| 1905 | ret = lttng_register_trigger(trigger); |
| 1906 | if (ret) { |
| 1907 | fail("Setup error on trigger registration"); |
| 1908 | goto end; |
| 1909 | } |
| 1910 | |
| 1911 | nc_status = lttng_notification_channel_subscribe( |
| 1912 | notification_channel, condition); |
| 1913 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1914 | "Subscribe to tracepoint event rule condition"); |
| 1915 | |
| 1916 | resume_application(); |
| 1917 | |
| 1918 | for (i = 0; i < 3; i++) { |
| 1919 | struct lttng_notification *notification = get_next_notification( |
| 1920 | notification_channel); |
| 1921 | ok(notification, "Received notification"); |
| 1922 | |
| 1923 | /* Error */ |
| 1924 | if (notification == NULL) { |
| 1925 | goto end; |
| 1926 | } |
| 1927 | |
| 1928 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 1929 | lttng_notification_destroy(notification); |
| 1930 | if (ret) { |
| 1931 | goto end; |
| 1932 | } |
| 1933 | } |
| 1934 | |
| 1935 | end: |
| 1936 | suspend_application(); |
| 1937 | lttng_notification_channel_destroy(notification_channel); |
| 1938 | lttng_unregister_trigger(trigger); |
| 1939 | lttng_trigger_destroy(trigger); |
| 1940 | lttng_action_destroy(action); |
| 1941 | lttng_event_rule_destroy(event_rule); |
| 1942 | lttng_condition_destroy(condition); |
| 1943 | lttng_kernel_probe_location_destroy(location); |
| 1944 | return; |
| 1945 | } |
| 1946 | |
| 1947 | static void test_uprobe_event_rule_notification( |
| 1948 | enum lttng_domain_type domain_type, |
| 1949 | const char *testapp_path, |
| 1950 | const char *test_symbol_name) |
| 1951 | { |
| 1952 | enum lttng_notification_channel_status nc_status; |
| 1953 | enum lttng_event_rule_status event_rule_status; |
| 1954 | enum lttng_trigger_status trigger_status; |
| 1955 | |
| 1956 | struct lttng_notification_channel *notification_channel = NULL; |
| 1957 | struct lttng_userspace_probe_location *probe_location = NULL; |
| 1958 | struct lttng_userspace_probe_location_lookup_method *lookup_method = |
| 1959 | NULL; |
| 1960 | struct lttng_condition *condition = NULL; |
| 1961 | struct lttng_event_rule *event_rule = NULL; |
| 1962 | struct lttng_action *action = NULL; |
| 1963 | struct lttng_trigger *trigger = NULL; |
| 1964 | const char *trigger_name = "uprobe_trigger"; |
| 1965 | int i, ret; |
| 1966 | |
| 1967 | action = lttng_action_notify_create(); |
| 1968 | if (!action) { |
| 1969 | fail("Setup error on action creation"); |
| 1970 | goto end; |
| 1971 | } |
| 1972 | |
| 1973 | lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create(); |
| 1974 | if (!lookup_method) { |
| 1975 | fail("Setup error on userspace probe lookup method creation"); |
| 1976 | goto end; |
| 1977 | } |
| 1978 | |
| 1979 | probe_location = lttng_userspace_probe_location_function_create( |
| 1980 | testapp_path, test_symbol_name, lookup_method); |
| 1981 | if (!probe_location) { |
| 1982 | fail("Setup error on userspace probe location creation"); |
| 1983 | goto end; |
| 1984 | } |
| 1985 | |
| 1986 | notification_channel = lttng_notification_channel_create( |
| 1987 | lttng_session_daemon_notification_endpoint); |
| 1988 | ok(notification_channel, "Notification channel object creation"); |
| 1989 | |
| 1990 | event_rule = lttng_event_rule_uprobe_create(); |
| 1991 | ok(event_rule, "kprobe event rule object creation"); |
| 1992 | |
| 1993 | event_rule_status = lttng_event_rule_uprobe_set_location( |
| 1994 | event_rule, probe_location); |
| 1995 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1996 | "Setting uprobe event rule location"); |
| 1997 | |
| 1998 | event_rule_status = lttng_event_rule_uprobe_set_name( |
| 1999 | event_rule, trigger_name); |
| 2000 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2001 | "Setting uprobe event rule name: %s", trigger_name); |
| 2002 | |
| 2003 | condition = lttng_condition_event_rule_create(event_rule); |
| 2004 | ok(condition, "Condition event rule object creation"); |
| 2005 | |
| 2006 | /* Register the triggers for condition */ |
| 2007 | trigger = lttng_trigger_create(condition, action); |
| 2008 | if (!trigger) { |
| 2009 | fail("Setup error on trigger creation"); |
| 2010 | goto end; |
| 2011 | } |
| 2012 | |
| 2013 | trigger_status = lttng_trigger_set_name(trigger, trigger_name); |
| 2014 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, |
| 2015 | "Setting name to trigger %s", trigger_name); |
| 2016 | |
| 2017 | ret = lttng_register_trigger(trigger); |
| 2018 | if (ret) { |
| 2019 | fail("Setup error on trigger registration"); |
| 2020 | goto end; |
| 2021 | } |
| 2022 | |
| 2023 | nc_status = lttng_notification_channel_subscribe( |
| 2024 | notification_channel, condition); |
| 2025 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2026 | "Subscribe to tracepoint event rule condition"); |
| 2027 | |
| 2028 | resume_application(); |
| 2029 | |
| 2030 | for (i = 0; i < 3; i++) { |
| 2031 | struct lttng_notification *notification = get_next_notification( |
| 2032 | notification_channel); |
| 2033 | ok(notification, "Received notification"); |
| 2034 | |
| 2035 | /* Error */ |
| 2036 | if (notification == NULL) { |
| 2037 | goto end; |
| 2038 | } |
| 2039 | |
| 2040 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2041 | lttng_notification_destroy(notification); |
| 2042 | if (ret) { |
| 2043 | goto end; |
| 2044 | } |
| 2045 | } |
| 2046 | end: |
| 2047 | suspend_application(); |
| 2048 | lttng_notification_channel_destroy(notification_channel); |
| 2049 | lttng_unregister_trigger(trigger); |
| 2050 | lttng_trigger_destroy(trigger); |
| 2051 | lttng_action_destroy(action); |
| 2052 | lttng_event_rule_destroy(event_rule); |
| 2053 | lttng_condition_destroy(condition); |
| 2054 | return; |
| 2055 | } |
| 2056 | |
| 2057 | static void test_syscall_event_rule_notification( |
| 2058 | enum lttng_domain_type domain_type) |
| 2059 | { |
| 2060 | enum lttng_notification_channel_status nc_status; |
| 2061 | enum lttng_event_rule_status event_rule_status; |
| 2062 | enum lttng_trigger_status trigger_status; |
| 2063 | |
| 2064 | struct lttng_notification_channel *notification_channel = NULL; |
| 2065 | struct lttng_condition *condition = NULL; |
| 2066 | struct lttng_event_rule *event_rule = NULL; |
| 2067 | struct lttng_action *action = NULL; |
| 2068 | struct lttng_trigger *trigger = NULL; |
| 2069 | const char *trigger_name = "syscall_trigger"; |
| 2070 | const char *syscall_name = "openat"; |
| 2071 | int i, ret; |
| 2072 | |
| 2073 | action = lttng_action_notify_create(); |
| 2074 | if (!action) { |
| 2075 | fail("Setup error on action creation"); |
| 2076 | goto end; |
| 2077 | } |
| 2078 | |
| 2079 | notification_channel = lttng_notification_channel_create( |
| 2080 | lttng_session_daemon_notification_endpoint); |
| 2081 | ok(notification_channel, "Notification channel object creation"); |
| 2082 | |
| 2083 | event_rule = lttng_event_rule_syscall_create(); |
| 2084 | ok(event_rule, "syscall event rule object creation"); |
| 2085 | |
| 2086 | event_rule_status = lttng_event_rule_syscall_set_pattern( |
| 2087 | event_rule, syscall_name); |
| 2088 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2089 | "Setting syscall event rule pattern: %s", syscall_name); |
| 2090 | |
| 2091 | condition = lttng_condition_event_rule_create(event_rule); |
| 2092 | ok(condition, "Condition event rule object creation"); |
| 2093 | |
| 2094 | /* Register the triggers for condition */ |
| 2095 | trigger = lttng_trigger_create(condition, action); |
| 2096 | if (!trigger) { |
| 2097 | fail("Setup error on trigger creation"); |
| 2098 | goto end; |
| 2099 | } |
| 2100 | |
| 2101 | trigger_status = lttng_trigger_set_name(trigger, trigger_name); |
| 2102 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, |
| 2103 | "Setting name to trigger %s", trigger_name); |
| 2104 | |
| 2105 | ret = lttng_register_trigger(trigger); |
| 2106 | if (ret) { |
| 2107 | fail("Setup error on trigger registration"); |
| 2108 | goto end; |
| 2109 | } |
| 2110 | |
| 2111 | nc_status = lttng_notification_channel_subscribe( |
| 2112 | notification_channel, condition); |
| 2113 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2114 | "Subscribe to tracepoint event rule condition"); |
| 2115 | |
| 2116 | resume_application(); |
| 2117 | |
| 2118 | for (i = 0; i < 3; i++) { |
| 2119 | struct lttng_notification *notification = get_next_notification( |
| 2120 | notification_channel); |
| 2121 | ok(notification, "Received notification"); |
| 2122 | |
| 2123 | /* Error */ |
| 2124 | if (notification == NULL) { |
| 2125 | goto end; |
| 2126 | } |
| 2127 | |
| 2128 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2129 | lttng_notification_destroy(notification); |
| 2130 | if (ret) { |
| 2131 | goto end; |
| 2132 | } |
| 2133 | } |
| 2134 | end: |
| 2135 | suspend_application(); |
| 2136 | lttng_notification_channel_destroy(notification_channel); |
| 2137 | lttng_unregister_trigger(trigger); |
| 2138 | lttng_trigger_destroy(trigger); |
| 2139 | lttng_action_destroy(action); |
| 2140 | lttng_condition_destroy(condition); |
| 2141 | return; |
| 2142 | } |
| 2143 | |
| 2144 | static void test_syscall_event_rule_notification_filter( |
| 2145 | enum lttng_domain_type domain_type) |
| 2146 | { |
| 2147 | enum lttng_notification_channel_status nc_status; |
| 2148 | enum lttng_event_rule_status event_rule_status; |
| 2149 | enum lttng_trigger_status trigger_status; |
| 2150 | |
| 2151 | struct lttng_notification_channel *notification_channel = NULL; |
| 2152 | struct lttng_condition *condition = NULL; |
| 2153 | struct lttng_event_rule *event_rule = NULL; |
| 2154 | struct lttng_action *action = NULL; |
| 2155 | struct lttng_trigger *trigger = NULL; |
| 2156 | const char *trigger_name = "syscall_trigger"; |
| 2157 | const char *syscall_name = "openat"; |
| 2158 | int i, ret; |
| 2159 | |
| 2160 | action = lttng_action_notify_create(); |
| 2161 | if (!action) { |
| 2162 | fail("Setup error on action creation"); |
| 2163 | goto end; |
| 2164 | } |
| 2165 | |
| 2166 | notification_channel = lttng_notification_channel_create( |
| 2167 | lttng_session_daemon_notification_endpoint); |
| 2168 | ok(notification_channel, "Notification channel object creation"); |
| 2169 | |
| 2170 | event_rule = lttng_event_rule_syscall_create(); |
| 2171 | ok(event_rule, "syscall event rule object creation"); |
| 2172 | |
| 2173 | event_rule_status = lttng_event_rule_syscall_set_pattern( |
| 2174 | event_rule, syscall_name); |
| 2175 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2176 | "Setting syscall event rule pattern: %s", syscall_name); |
| 2177 | |
| 2178 | event_rule_status = lttng_event_rule_syscall_set_filter( |
| 2179 | event_rule, "filename==\"/proc/cpuinfo\""); |
| 2180 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2181 | "Setting syscall event rule pattern: %s", syscall_name); |
| 2182 | |
| 2183 | condition = lttng_condition_event_rule_create(event_rule); |
| 2184 | ok(condition, "Condition event rule object creation"); |
| 2185 | |
| 2186 | /* Register the triggers for condition */ |
| 2187 | trigger = lttng_trigger_create(condition, action); |
| 2188 | if (!trigger) { |
| 2189 | fail("Setup error on trigger creation"); |
| 2190 | goto end; |
| 2191 | } |
| 2192 | |
| 2193 | trigger_status = lttng_trigger_set_name(trigger, trigger_name); |
| 2194 | ok(trigger_status == LTTNG_TRIGGER_STATUS_OK, |
| 2195 | "Setting name to trigger %s", trigger_name); |
| 2196 | |
| 2197 | ret = lttng_register_trigger(trigger); |
| 2198 | if (ret) { |
| 2199 | fail("Setup error on trigger registration"); |
| 2200 | goto end; |
| 2201 | } |
| 2202 | |
| 2203 | nc_status = lttng_notification_channel_subscribe( |
| 2204 | notification_channel, condition); |
| 2205 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2206 | "Subscribe to tracepoint event rule condition"); |
| 2207 | |
| 2208 | resume_application(); |
| 2209 | |
| 2210 | for (i = 0; i < 3; i++) { |
| 2211 | struct lttng_notification *notification = get_next_notification( |
| 2212 | notification_channel); |
| 2213 | ok(notification, "Received notification"); |
| 2214 | |
| 2215 | /* Error */ |
| 2216 | if (notification == NULL) { |
| 2217 | goto end; |
| 2218 | } |
| 2219 | |
| 2220 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2221 | lttng_notification_destroy(notification); |
| 2222 | if (ret) { |
| 2223 | goto end; |
| 2224 | } |
| 2225 | } |
| 2226 | |
| 2227 | end: |
| 2228 | suspend_application(); |
| 2229 | lttng_unregister_trigger(trigger); |
| 2230 | lttng_notification_channel_destroy(notification_channel); |
| 2231 | lttng_trigger_destroy(trigger); |
| 2232 | lttng_event_rule_destroy(event_rule); |
| 2233 | lttng_condition_destroy(condition); |
| 2234 | return; |
| 2235 | } |
| 2236 | |
| 2237 | static int generate_capture_descr(struct lttng_condition *condition) |
| 2238 | { |
| 2239 | int ret; |
| 2240 | struct lttng_event_expr *expr = NULL; |
| 2241 | unsigned int basic_field_size; |
| 2242 | enum lttng_condition_status cond_status; |
| 2243 | |
| 2244 | basic_field_size = sizeof(test_capture_base_fields) / sizeof(*test_capture_base_fields); |
| 2245 | for (int i = 0; i < basic_field_size; i++) { |
| 2246 | |
| 2247 | diag("Adding capture descriptor \"%s\"", test_capture_base_fields[i].field_name); |
| 2248 | |
| 2249 | switch (test_capture_base_fields[i].field_type) { |
| 2250 | case FIELD_TYPE_PAYLOAD: |
| 2251 | expr = lttng_event_expr_event_payload_field_create( |
| 2252 | test_capture_base_fields[i].field_name); |
| 2253 | break; |
| 2254 | case FIELD_TYPE_CONTEXT: |
| 2255 | expr = lttng_event_expr_channel_context_field_create( |
| 2256 | test_capture_base_fields[i].field_name); |
| 2257 | break; |
| 2258 | case FIELD_TYPE_ARRAY_FIELD: |
| 2259 | { |
| 2260 | int nb_matches; |
| 2261 | unsigned int index; |
| 2262 | char field_name[256]; |
| 2263 | struct lttng_event_expr *array_expr = NULL; |
| 2264 | nb_matches = sscanf(test_capture_base_fields[i].field_name, |
| 2265 | "%[^[][%u]", field_name, &index); |
| 2266 | if (nb_matches != 2) { |
| 2267 | ret = 1; |
| 2268 | goto end; |
| 2269 | } |
| 2270 | array_expr = lttng_event_expr_event_payload_field_create( |
| 2271 | field_name); |
| 2272 | |
| 2273 | expr = lttng_event_expr_array_field_element_create( |
| 2274 | array_expr, index); |
| 2275 | break; |
| 2276 | } |
| 2277 | case FIELD_TYPE_APP_CONTEXT: |
| 2278 | fail("Application context not tested yet."); |
| 2279 | default: |
| 2280 | ret = 1; |
| 2281 | goto end; |
| 2282 | } |
| 2283 | if (expr == NULL) { |
| 2284 | fail("Creating capture expression"); |
| 2285 | ret = -1; |
| 2286 | goto end; |
| 2287 | } |
| 2288 | cond_status = lttng_condition_event_rule_append_capture_descriptor( |
| 2289 | condition, expr); |
| 2290 | if (cond_status != LTTNG_CONDITION_STATUS_OK) { |
| 2291 | fail("Appending capture_descriptor"); |
| 2292 | ret = -1; |
| 2293 | lttng_event_expr_destroy(expr); |
| 2294 | goto end; |
| 2295 | } |
| 2296 | } |
| 2297 | |
| 2298 | ret = 0; |
| 2299 | |
| 2300 | end: |
| 2301 | return ret; |
| 2302 | } |
| 2303 | |
| 2304 | static int validator_notification_trigger_capture( |
| 2305 | enum lttng_domain_type domain, |
| 2306 | struct lttng_notification *notification, |
| 2307 | const int iteration) |
| 2308 | { |
| 2309 | int ret; |
| 2310 | unsigned int capture_count, i; |
| 2311 | enum lttng_evaluation_status evaluation_status; |
| 2312 | enum lttng_event_field_value_status event_field_value_status; |
| 2313 | const struct lttng_evaluation *evaluation; |
| 2314 | const struct lttng_event_field_value *captured_fields; |
| 2315 | bool at_least_one_error = false; |
| 2316 | |
| 2317 | evaluation = lttng_notification_get_evaluation(notification); |
| 2318 | if (evaluation == NULL) { |
| 2319 | fail("lttng_notification_get_evaluation"); |
| 2320 | ret = 1; |
| 2321 | goto end; |
| 2322 | } |
| 2323 | |
| 2324 | /* TODO: it seems weird that lttng_evaluation_get_captured_values return |
| 2325 | * INVALID if no capture were present. might be better to return |
| 2326 | * something with more meaning. Another question is how we link the |
| 2327 | * notion of capture and the descriptor from the perspective of a |
| 2328 | * client. Is it really invalid to ask for captured value when there might |
| 2329 | * not be any? |
| 2330 | */ |
| 2331 | evaluation_status = lttng_evaluation_get_captured_values(evaluation, &captured_fields); |
| 2332 | if (evaluation_status != LTTNG_EVALUATION_STATUS_OK) { |
| 2333 | diag("lttng_evaluation_get_captured_values"); |
| 2334 | ret = 1; |
| 2335 | goto end; |
| 2336 | } |
| 2337 | |
| 2338 | event_field_value_status = |
| 2339 | lttng_event_field_value_array_get_length(captured_fields, |
| 2340 | &capture_count); |
| 2341 | if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 2342 | assert(0 && "get count of captured field"); |
| 2343 | } |
| 2344 | |
| 2345 | for (i = 0; i < capture_count; i++) { |
| 2346 | const struct lttng_event_field_value *captured_field = NULL; |
| 2347 | validate_cb validate; |
| 2348 | bool expected; |
| 2349 | |
| 2350 | diag("Validating capture \"%s\"", test_capture_base_fields[i].field_name); |
| 2351 | event_field_value_status = lttng_event_field_value_array_get_element_at_index(captured_fields, i, &captured_field); |
| 2352 | |
| 2353 | switch(domain) { |
| 2354 | case LTTNG_DOMAIN_UST: |
| 2355 | expected = test_capture_base_fields[i].expected_ust; |
| 2356 | break; |
| 2357 | case LTTNG_DOMAIN_KERNEL: |
| 2358 | expected = test_capture_base_fields[i].expected_kernel; |
| 2359 | break; |
| 2360 | default: |
| 2361 | assert(0 && "Domain invalid for this test"); |
| 2362 | } |
| 2363 | |
| 2364 | if (!expected) { |
| 2365 | ok(event_field_value_status == LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE, "No payload captured"); |
| 2366 | continue; |
| 2367 | } |
| 2368 | |
| 2369 | if (domain == LTTNG_DOMAIN_UST) { |
| 2370 | validate = test_capture_base_fields[i].validate_ust; |
| 2371 | } else { |
| 2372 | validate = test_capture_base_fields[i].validate_kernel; |
| 2373 | } |
| 2374 | |
| 2375 | if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 2376 | const char *reason; |
| 2377 | if (event_field_value_status == |
| 2378 | LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE) { |
| 2379 | reason = "Expected a capture but it is unavailable"; |
| 2380 | } else { |
| 2381 | reason = "lttng_event_field_value_array_get_element_at_index"; |
| 2382 | } |
| 2383 | fail(reason); |
| 2384 | ret = 1; |
| 2385 | goto end; |
| 2386 | } |
| 2387 | diag("Captured field of type %s", |
| 2388 | field_value_type_to_str( |
| 2389 | lttng_event_field_value_get_type(captured_field))); |
| 2390 | |
| 2391 | assert(validate); |
| 2392 | ret = validate(captured_field, iteration); |
| 2393 | if (ret) { |
| 2394 | at_least_one_error = true; |
| 2395 | } |
| 2396 | } |
| 2397 | |
| 2398 | ret = at_least_one_error; |
| 2399 | |
| 2400 | end: |
| 2401 | return ret; |
| 2402 | } |
| 2403 | |
| 2404 | static void test_tracepoint_event_rule_notification_capture( |
| 2405 | enum lttng_domain_type domain_type) |
| 2406 | { |
| 2407 | enum lttng_notification_channel_status nc_status; |
| 2408 | |
| 2409 | int i, ret; |
| 2410 | struct lttng_action *action = NULL; |
| 2411 | struct lttng_condition *condition = NULL; |
| 2412 | struct lttng_notification_channel *notification_channel = NULL; |
| 2413 | struct lttng_trigger *trigger = NULL; |
| 2414 | const char *trigger_name = "my_precious"; |
| 2415 | const char *pattern; |
| 2416 | |
| 2417 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 2418 | pattern = "tp:tptest"; |
| 2419 | } else { |
| 2420 | pattern = "lttng_test_filter_event"; |
| 2421 | } |
| 2422 | |
| 2423 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, |
| 2424 | NULL, domain_type, generate_capture_descr, &condition, |
| 2425 | &action, &trigger); |
| 2426 | |
| 2427 | notification_channel = lttng_notification_channel_create( |
| 2428 | lttng_session_daemon_notification_endpoint); |
| 2429 | ok(notification_channel, "Notification channel object creation"); |
| 2430 | |
| 2431 | nc_status = lttng_notification_channel_subscribe( |
| 2432 | notification_channel, condition); |
| 2433 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2434 | "Subscribe to tracepoint event rule condition"); |
| 2435 | |
| 2436 | resume_application(); |
| 2437 | |
| 2438 | /* Get 3 notifications */ |
| 2439 | for (i = 0; i < 3; i++) { |
| 2440 | struct lttng_notification *notification = get_next_notification( |
| 2441 | notification_channel); |
| 2442 | ok(notification, "Received notification"); |
| 2443 | |
| 2444 | /* Error */ |
| 2445 | if (notification == NULL) { |
| 2446 | goto end; |
| 2447 | } |
| 2448 | |
| 2449 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2450 | if (ret) { |
| 2451 | lttng_notification_destroy(notification); |
| 2452 | goto end; |
| 2453 | } |
| 2454 | |
| 2455 | ret = validator_notification_trigger_capture(domain_type, notification, i); |
| 2456 | if (ret) { |
| 2457 | lttng_notification_destroy(notification); |
| 2458 | goto end; |
| 2459 | } |
| 2460 | |
| 2461 | lttng_notification_destroy(notification); |
| 2462 | } |
| 2463 | |
| 2464 | end: |
| 2465 | suspend_application(); |
| 2466 | lttng_notification_channel_destroy(notification_channel); |
| 2467 | lttng_unregister_trigger(trigger); |
| 2468 | lttng_trigger_destroy(trigger); |
| 2469 | lttng_action_destroy(action); |
| 2470 | lttng_condition_destroy(condition); |
| 2471 | return; |
| 2472 | } |
| 2473 | |
| 2474 | int main(int argc, const char *argv[]) |
| 2475 | { |
| 2476 | int test_scenario; |
| 2477 | const char *domain_type_string = NULL; |
| 2478 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; |
| 2479 | |
| 2480 | if (argc < 5) { |
| 2481 | fail("Missing test scenario, domain type, pid, or application state file argument(s)"); |
| 2482 | goto error; |
| 2483 | } |
| 2484 | |
| 2485 | test_scenario = atoi(argv[1]); |
| 2486 | domain_type_string = argv[2]; |
| 2487 | app_pid = (pid_t) atoi(argv[3]); |
| 2488 | app_state_file = argv[4]; |
| 2489 | |
| 2490 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { |
| 2491 | domain_type = LTTNG_DOMAIN_UST; |
| 2492 | } |
| 2493 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { |
| 2494 | domain_type = LTTNG_DOMAIN_KERNEL; |
| 2495 | } |
| 2496 | if (domain_type == LTTNG_DOMAIN_NONE) { |
| 2497 | fail("Unknown domain type"); |
| 2498 | goto error; |
| 2499 | } |
| 2500 | |
| 2501 | /* |
| 2502 | * Test cases are responsible for resuming the app when needed |
| 2503 | * and making sure it's suspended when returning. |
| 2504 | */ |
| 2505 | suspend_application(); |
| 2506 | |
| 2507 | switch (test_scenario) { |
| 2508 | case 1: |
| 2509 | { |
| 2510 | plan_tests(44); |
| 2511 | |
| 2512 | /* Test cases that need gen-ust-event testapp. */ |
| 2513 | diag("Test basic notification error paths for domain %s", |
| 2514 | domain_type_string); |
| 2515 | test_invalid_channel_subscription(domain_type); |
| 2516 | |
| 2517 | diag("Test tracepoint event rule notifications for domain %s", |
| 2518 | domain_type_string); |
| 2519 | test_tracepoint_event_rule_notification(domain_type); |
| 2520 | |
| 2521 | diag("Test tracepoint event rule notifications with filter for domain %s", |
| 2522 | domain_type_string); |
| 2523 | test_tracepoint_event_rule_notification_filter(domain_type); |
| 2524 | break; |
| 2525 | } |
| 2526 | case 2: |
| 2527 | { |
| 2528 | const char *session_name, *channel_name; |
| 2529 | /* Test cases that need a tracing session enabled. */ |
| 2530 | plan_tests(99); |
| 2531 | |
| 2532 | /* |
| 2533 | * Argument 7 and upward are named pipe location for consumerd |
| 2534 | * control. |
| 2535 | */ |
| 2536 | named_pipe_args_start = 7; |
| 2537 | |
| 2538 | if (argc < 8) { |
| 2539 | fail("Missing parameter for tests to run %d", argc); |
| 2540 | goto error; |
| 2541 | } |
| 2542 | |
| 2543 | nb_args = argc; |
| 2544 | |
| 2545 | session_name = argv[5]; |
| 2546 | channel_name = argv[6]; |
| 2547 | |
| 2548 | test_subscription_twice(session_name, channel_name, |
| 2549 | domain_type); |
| 2550 | |
| 2551 | diag("Test trigger for domain %s with buffer_usage_low condition", |
| 2552 | domain_type_string); |
| 2553 | test_triggers_buffer_usage_condition(session_name, channel_name, |
| 2554 | domain_type, |
| 2555 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); |
| 2556 | |
| 2557 | diag("Test trigger for domain %s with buffer_usage_high condition", |
| 2558 | domain_type_string); |
| 2559 | test_triggers_buffer_usage_condition(session_name, channel_name, |
| 2560 | domain_type, |
| 2561 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); |
| 2562 | |
| 2563 | diag("Test buffer usage notification channel api for domain %s", |
| 2564 | domain_type_string); |
| 2565 | test_buffer_usage_notification_channel(session_name, channel_name, |
| 2566 | domain_type, argv); |
| 2567 | break; |
| 2568 | } |
| 2569 | case 3: |
| 2570 | { |
| 2571 | /* |
| 2572 | * Test cases that need a test app with more than one event |
| 2573 | * type. |
| 2574 | */ |
| 2575 | plan_tests(25); |
| 2576 | |
| 2577 | /* |
| 2578 | * At the moment, the only test case of this scenario is |
| 2579 | * exclusion which is only supported by UST |
| 2580 | */ |
| 2581 | assert(domain_type == LTTNG_DOMAIN_UST); |
| 2582 | diag("Test tracepoint event rule notifications with exclusion for domain %s", |
| 2583 | domain_type_string); |
| 2584 | test_tracepoint_event_rule_notification_exclusion(domain_type); |
| 2585 | |
| 2586 | break; |
| 2587 | } |
| 2588 | case 4: |
| 2589 | { |
| 2590 | plan_tests(13); |
| 2591 | /* Test cases that need the kernel tracer. */ |
| 2592 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2593 | |
| 2594 | diag("Test kprobe event rule notifications for domain %s", |
| 2595 | domain_type_string); |
| 2596 | |
| 2597 | test_kprobe_event_rule_notification(domain_type); |
| 2598 | |
| 2599 | break; |
| 2600 | } |
| 2601 | case 5: |
| 2602 | { |
| 2603 | plan_tests(25); |
| 2604 | /* Test cases that need the kernel tracer. */ |
| 2605 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2606 | |
| 2607 | diag("Test syscall event rule notifications for domain %s", |
| 2608 | domain_type_string); |
| 2609 | |
| 2610 | test_syscall_event_rule_notification(domain_type); |
| 2611 | |
| 2612 | diag("Test syscall filtering event rule notifications for domain %s", |
| 2613 | domain_type_string); |
| 2614 | |
| 2615 | test_syscall_event_rule_notification_filter(domain_type); |
| 2616 | |
| 2617 | break; |
| 2618 | } |
| 2619 | case 6: |
| 2620 | { |
| 2621 | const char *testapp_path, *test_symbol_name; |
| 2622 | |
| 2623 | plan_tests(13); |
| 2624 | |
| 2625 | if (argc < 7) { |
| 2626 | fail("Missing parameter for tests to run %d", argc); |
| 2627 | goto error; |
| 2628 | } |
| 2629 | |
| 2630 | testapp_path = argv[5]; |
| 2631 | test_symbol_name = argv[6]; |
| 2632 | /* Test cases that need the kernel tracer. */ |
| 2633 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2634 | |
| 2635 | diag("Test userspace-probe event rule notifications for domain %s", |
| 2636 | domain_type_string); |
| 2637 | |
| 2638 | test_uprobe_event_rule_notification( |
| 2639 | domain_type, testapp_path, test_symbol_name); |
| 2640 | |
| 2641 | break; |
| 2642 | } |
| 2643 | case 7: |
| 2644 | { |
| 2645 | switch(domain_type) { |
| 2646 | case LTTNG_DOMAIN_UST: |
| 2647 | plan_tests(222); |
| 2648 | break; |
| 2649 | case LTTNG_DOMAIN_KERNEL: |
| 2650 | plan_tests(216); |
| 2651 | break; |
| 2652 | default: |
| 2653 | assert(0); |
| 2654 | } |
| 2655 | |
| 2656 | diag("Test tracepoint event rule notification captures for domain %s", |
| 2657 | domain_type_string); |
| 2658 | test_tracepoint_event_rule_notification_capture(domain_type); |
| 2659 | |
| 2660 | break; |
| 2661 | } |
| 2662 | |
| 2663 | default: |
| 2664 | abort(); |
| 2665 | } |
| 2666 | |
| 2667 | error: |
| 2668 | return exit_status(); |
| 2669 | } |
| 2670 | |