| 1 | /* |
| 2 | * QTest testcase for precopy migration |
| 3 | * |
| 4 | * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates |
| 5 | * based on the vhost-user-test.c that is: |
| 6 | * Copyright (c) 2014 Virtual Open Systems Sarl. |
| 7 | * |
| 8 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 9 | * See the COPYING file in the top-level directory. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include "qemu/osdep.h" |
| 14 | #include "chardev/char.h" |
| 15 | #include "crypto/tlscredspsk.h" |
| 16 | #include "libqtest.h" |
| 17 | #include "migration/bootfile.h" |
| 18 | #include "migration/framework.h" |
| 19 | #include "migration/migration-qmp.h" |
| 20 | #include "migration/migration-util.h" |
| 21 | #include "ppc-util.h" |
| 22 | #include "qobject/qlist.h" |
| 23 | #include "qapi-types-migration.h" |
| 24 | #include "qemu/module.h" |
| 25 | #include "qemu/option.h" |
| 26 | #include "qemu/range.h" |
| 27 | #include "qemu/sockets.h" |
| 28 | |
| 29 | |
| 30 | /* |
| 31 | * Dirtylimit stop working if dirty page rate error |
| 32 | * value less than DIRTYLIMIT_TOLERANCE_RANGE |
| 33 | */ |
| 34 | #define DIRTYLIMIT_TOLERANCE_RANGE 25 /* MB/s */ |
| 35 | |
| 36 | static char *tmpfs; |
| 37 | |
| 38 | static void test_precopy_unix_plain(char *name, MigrateCommon *args) |
| 39 | { |
| 40 | /* |
| 41 | * The simplest use case of precopy, covering smoke tests of |
| 42 | * get-dirty-log dirty tracking. |
| 43 | */ |
| 44 | args->live = true; |
| 45 | test_precopy_unix_common(args); |
| 46 | } |
| 47 | |
| 48 | static void test_precopy_unix_suspend_live(char *name, MigrateCommon *args) |
| 49 | { |
| 50 | /* |
| 51 | * despite being live, the test is fast because the src |
| 52 | * suspends immediately. |
| 53 | */ |
| 54 | args->live = true; |
| 55 | args->start.suspend_me = true; |
| 56 | test_precopy_unix_common(args); |
| 57 | } |
| 58 | |
| 59 | static void test_precopy_unix_suspend_notlive(char *name, MigrateCommon *args) |
| 60 | { |
| 61 | args->start.suspend_me = true; |
| 62 | test_precopy_unix_common(args); |
| 63 | } |
| 64 | |
| 65 | static void test_precopy_unix_dirty_ring(char *name, MigrateCommon *args) |
| 66 | { |
| 67 | /* |
| 68 | * Besides the precopy/unix basic test, cover dirty ring interface |
| 69 | * rather than get-dirty-log. |
| 70 | */ |
| 71 | args->live = true; |
| 72 | args->start.use_dirty_ring = true; |
| 73 | test_precopy_unix_common(args); |
| 74 | } |
| 75 | |
| 76 | #ifdef CONFIG_RDMA |
| 77 | |
| 78 | #include <sys/resource.h> |
| 79 | |
| 80 | /* |
| 81 | * During migration over RDMA, it will try to pin portions of guest memory, |
| 82 | * typically exceeding 100MB in this test, while the remainder will be |
| 83 | * transmitted as compressed zero pages. |
| 84 | * |
| 85 | * REQUIRED_MEMLOCK_SZ indicates the minimal mlock size in the current context. |
| 86 | */ |
| 87 | #define REQUIRED_MEMLOCK_SZ (128 << 20) /* 128MB */ |
| 88 | |
| 89 | /* check 'ulimit -l' */ |
| 90 | static bool mlock_check(void) |
| 91 | { |
| 92 | uid_t uid; |
| 93 | struct rlimit rlim; |
| 94 | |
| 95 | uid = getuid(); |
| 96 | if (uid == 0) { |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | if (getrlimit(RLIMIT_MEMLOCK, &rlim) != 0) { |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | return rlim.rlim_cur >= REQUIRED_MEMLOCK_SZ; |
| 105 | } |
| 106 | |
| 107 | #define RDMA_MIGRATION_HELPER "scripts/rdma-migration-helper.sh" |
| 108 | static int new_rdma_link(char *buffer, bool ipv6) |
| 109 | { |
| 110 | char cmd[256]; |
| 111 | bool verbose = qtest_verbose("test"); |
| 112 | |
| 113 | snprintf(cmd, sizeof(cmd), "IP_FAMILY=%s %s detect %s", |
| 114 | ipv6 ? "ipv6" : "ipv4", RDMA_MIGRATION_HELPER, |
| 115 | verbose ? "" : "2>/dev/null"); |
| 116 | |
| 117 | FILE *pipe = popen(cmd, "r"); |
| 118 | if (pipe == NULL) { |
| 119 | perror("Failed to run script"); |
| 120 | return -1; |
| 121 | } |
| 122 | |
| 123 | int idx = 0; |
| 124 | while (fgets(buffer + idx, 128 - idx, pipe) != NULL) { |
| 125 | idx += strlen(buffer); |
| 126 | } |
| 127 | |
| 128 | int status = pclose(pipe); |
| 129 | if (status == -1) { |
| 130 | perror("Error reported by pclose()"); |
| 131 | return -1; |
| 132 | } else if (WIFEXITED(status)) { |
| 133 | return WEXITSTATUS(status); |
| 134 | } |
| 135 | |
| 136 | return -1; |
| 137 | } |
| 138 | |
| 139 | static void __test_precopy_rdma_plain(MigrateCommon *args, bool ipv6) |
| 140 | { |
| 141 | char buffer[128] = {}; |
| 142 | |
| 143 | if (!mlock_check()) { |
| 144 | g_test_skip("'ulimit -l' is too small, require >=128M"); |
| 145 | return; |
| 146 | } |
| 147 | |
| 148 | if (new_rdma_link(buffer, ipv6)) { |
| 149 | g_test_skip("No rdma link available\n" |
| 150 | "# To enable the test:\n" |
| 151 | "# Run \'" RDMA_MIGRATION_HELPER " setup\' with root to " |
| 152 | "setup a new rdma/rxe link and rerun the test\n" |
| 153 | "# Optional: run 'scripts/rdma-migration-helper.sh clean' " |
| 154 | "to revert the 'setup'"); |
| 155 | return; |
| 156 | } |
| 157 | |
| 158 | /* |
| 159 | * TODO: query a free port instead of hard code. |
| 160 | * 29200=('R'+'D'+'M'+'A')*100 |
| 161 | **/ |
| 162 | g_autofree char *uri = g_strdup_printf("rdma:%s:29200", buffer); |
| 163 | |
| 164 | args->uri = uri; |
| 165 | |
| 166 | test_precopy_common(args); |
| 167 | } |
| 168 | |
| 169 | static void test_precopy_rdma_plain(char *name, MigrateCommon *args) |
| 170 | { |
| 171 | __test_precopy_rdma_plain(args, false); |
| 172 | } |
| 173 | |
| 174 | static void test_precopy_rdma_plain_ipv6(char *name, MigrateCommon *args) |
| 175 | { |
| 176 | __test_precopy_rdma_plain(args, true); |
| 177 | } |
| 178 | #endif |
| 179 | |
| 180 | static void test_precopy_tcp_plain(char *name, MigrateCommon *args) |
| 181 | { |
| 182 | test_precopy_common(args); |
| 183 | } |
| 184 | |
| 185 | static void test_precopy_tcp_switchover_ack(char *name, MigrateCommon *args) |
| 186 | { |
| 187 | /* |
| 188 | * Source VM must be running in order to consider the switchover ACK |
| 189 | * when deciding to do switchover or not. |
| 190 | */ |
| 191 | args->live = true; |
| 192 | |
| 193 | args->start.caps[MIGRATION_CAPABILITY_RETURN_PATH] = true; |
| 194 | args->start.caps[MIGRATION_CAPABILITY_SWITCHOVER_ACK] = true; |
| 195 | |
| 196 | test_precopy_common(args); |
| 197 | } |
| 198 | |
| 199 | #ifndef _WIN32 |
| 200 | static void *migrate_hook_start_fd(QTestState *from, |
| 201 | QTestState *to) |
| 202 | { |
| 203 | int ret; |
| 204 | int pair[2]; |
| 205 | |
| 206 | /* Create two connected sockets for migration */ |
| 207 | ret = qemu_socketpair(PF_LOCAL, SOCK_STREAM, 0, pair); |
| 208 | g_assert_cmpint(ret, ==, 0); |
| 209 | |
| 210 | /* Send the 1st socket to the target */ |
| 211 | qtest_qmp_fds_assert_success(to, &pair[0], 1, |
| 212 | "{ 'execute': 'getfd'," |
| 213 | " 'arguments': { 'fdname': 'fd-mig' }}"); |
| 214 | close(pair[0]); |
| 215 | |
| 216 | /* Send the 2nd socket to the target */ |
| 217 | qtest_qmp_fds_assert_success(from, &pair[1], 1, |
| 218 | "{ 'execute': 'getfd'," |
| 219 | " 'arguments': { 'fdname': 'fd-mig' }}"); |
| 220 | close(pair[1]); |
| 221 | |
| 222 | return NULL; |
| 223 | } |
| 224 | |
| 225 | static void migrate_hook_end_fd(QTestState *from, |
| 226 | QTestState *to, |
| 227 | void *opaque) |
| 228 | { |
| 229 | QDict *rsp; |
| 230 | const char *error_desc; |
| 231 | |
| 232 | /* Test closing fds */ |
| 233 | /* |
| 234 | * We assume, that QEMU removes named fd from its list, |
| 235 | * so this should fail. |
| 236 | */ |
| 237 | rsp = qtest_qmp(from, |
| 238 | "{ 'execute': 'closefd'," |
| 239 | " 'arguments': { 'fdname': 'fd-mig' }}"); |
| 240 | g_assert_true(qdict_haskey(rsp, "error")); |
| 241 | error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); |
| 242 | g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); |
| 243 | qobject_unref(rsp); |
| 244 | |
| 245 | rsp = qtest_qmp(to, |
| 246 | "{ 'execute': 'closefd'," |
| 247 | " 'arguments': { 'fdname': 'fd-mig' }}"); |
| 248 | g_assert_true(qdict_haskey(rsp, "error")); |
| 249 | error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); |
| 250 | g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); |
| 251 | qobject_unref(rsp); |
| 252 | } |
| 253 | |
| 254 | static void test_precopy_fd_socket(char *name, MigrateCommon *args) |
| 255 | { |
| 256 | args->uri = "fd:fd-mig"; |
| 257 | args->start_hook = migrate_hook_start_fd; |
| 258 | args->end_hook = migrate_hook_end_fd; |
| 259 | |
| 260 | test_precopy_common(args); |
| 261 | } |
| 262 | #endif /* _WIN32 */ |
| 263 | |
| 264 | static void test_auto_converge(char *name, MigrateCommon *args) |
| 265 | { |
| 266 | g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); |
| 267 | QTestState *from, *to; |
| 268 | int64_t percentage; |
| 269 | const int64_t init_pct = 5, inc_pct = 25, max_pct = 95; |
| 270 | |
| 271 | if (migrate_start(&from, &to, &args->start)) { |
| 272 | return; |
| 273 | } |
| 274 | |
| 275 | migrate_set_capability(from, "auto-converge", true); |
| 276 | migrate_set_parameter_int(from, "cpu-throttle-initial", init_pct); |
| 277 | migrate_set_parameter_int(from, "cpu-throttle-increment", inc_pct); |
| 278 | migrate_set_parameter_int(from, "max-cpu-throttle", max_pct); |
| 279 | |
| 280 | migrate_ensure_non_converge(from); |
| 281 | |
| 282 | /* To check remaining size after precopy */ |
| 283 | migrate_set_capability(from, "pause-before-switchover", true); |
| 284 | |
| 285 | wait_for_serial("src_serial"); |
| 286 | |
| 287 | migrate_incoming_qmp(to, uri, NULL, "{}"); |
| 288 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 289 | |
| 290 | /* Wait until throttling begins */ |
| 291 | percentage = 0; |
| 292 | do { |
| 293 | percentage = read_migrate_property_int(from, "cpu-throttle-percentage"); |
| 294 | if (percentage != 0) { |
| 295 | break; |
| 296 | } |
| 297 | usleep(20); |
| 298 | g_assert_false(get_src()->stop_seen); |
| 299 | } while (true); |
| 300 | /* The first percentage of throttling should be at least init_pct */ |
| 301 | g_assert_cmpint(percentage, >=, init_pct); |
| 302 | |
| 303 | /* throttling always ignores the first pass */ |
| 304 | assert(get_migration_pass(from) == 2); |
| 305 | migrate_ensure_converge(from); |
| 306 | |
| 307 | /* |
| 308 | * Wait for pre-switchover status to check last throttle percentage |
| 309 | * and remaining. These values will be zeroed later |
| 310 | */ |
| 311 | wait_for_migration_status(from, "pre-switchover", NULL); |
| 312 | |
| 313 | /* The final percentage of throttling shouldn't be greater than max_pct */ |
| 314 | percentage = read_migrate_property_int(from, "cpu-throttle-percentage"); |
| 315 | g_assert_cmpint(percentage, <=, max_pct); |
| 316 | migrate_continue(from, "pre-switchover"); |
| 317 | |
| 318 | qtest_qmp_eventwait(to, "RESUME"); |
| 319 | |
| 320 | wait_for_serial("dest_serial"); |
| 321 | wait_for_migration_complete(from); |
| 322 | |
| 323 | migrate_end(from, to, true); |
| 324 | } |
| 325 | |
| 326 | static void * |
| 327 | migrate_hook_start_precopy_tcp_multifd_zero_page_legacy(QTestState *from, |
| 328 | QTestState *to) |
| 329 | { |
| 330 | migrate_set_parameter_str(from, "zero-page-detection", "legacy"); |
| 331 | return NULL; |
| 332 | } |
| 333 | |
| 334 | static void * |
| 335 | migrate_hook_start_precopy_tcp_multifd_no_zero_page(QTestState *from, |
| 336 | QTestState *to) |
| 337 | { |
| 338 | migrate_set_parameter_str(from, "zero-page-detection", "none"); |
| 339 | return NULL; |
| 340 | } |
| 341 | |
| 342 | static void test_multifd_tcp_uri_none(char *name, MigrateCommon *args) |
| 343 | { |
| 344 | /* |
| 345 | * Multifd is more complicated than most of the features, it |
| 346 | * directly takes guest page buffers when sending, make sure |
| 347 | * everything will work alright even if guest page is changing. |
| 348 | */ |
| 349 | args->live = true; |
| 350 | |
| 351 | args->start.caps[MIGRATION_CAPABILITY_MULTIFD] = true; |
| 352 | |
| 353 | test_precopy_common(args); |
| 354 | } |
| 355 | |
| 356 | static void test_multifd_tcp_zero_page_legacy(char *name, MigrateCommon *args) |
| 357 | { |
| 358 | args->start_hook = migrate_hook_start_precopy_tcp_multifd_zero_page_legacy; |
| 359 | /* |
| 360 | * Multifd is more complicated than most of the features, it |
| 361 | * directly takes guest page buffers when sending, make sure |
| 362 | * everything will work alright even if guest page is changing. |
| 363 | */ |
| 364 | args->live = true; |
| 365 | |
| 366 | args->start.caps[MIGRATION_CAPABILITY_MULTIFD] = true; |
| 367 | |
| 368 | test_precopy_common(args); |
| 369 | } |
| 370 | |
| 371 | static void test_multifd_tcp_no_zero_page(char *name, MigrateCommon *args) |
| 372 | { |
| 373 | args->start_hook = migrate_hook_start_precopy_tcp_multifd_no_zero_page; |
| 374 | /* |
| 375 | * Multifd is more complicated than most of the features, it |
| 376 | * directly takes guest page buffers when sending, make sure |
| 377 | * everything will work alright even if guest page is changing. |
| 378 | */ |
| 379 | args->live = true; |
| 380 | |
| 381 | args->start.caps[MIGRATION_CAPABILITY_MULTIFD] = true; |
| 382 | |
| 383 | test_precopy_common(args); |
| 384 | } |
| 385 | |
| 386 | static void test_multifd_tcp_channels_none(char *name, MigrateCommon *args) |
| 387 | { |
| 388 | args->live = true; |
| 389 | args->connect_channels = ("[ { 'channel-type': 'main'," |
| 390 | " 'addr': { 'transport': 'socket'," |
| 391 | " 'type': 'inet'," |
| 392 | " 'host': '127.0.0.1'," |
| 393 | " 'port': '0' } } ]"); |
| 394 | |
| 395 | args->start.caps[MIGRATION_CAPABILITY_MULTIFD] = true; |
| 396 | |
| 397 | test_precopy_common(args); |
| 398 | } |
| 399 | |
| 400 | /* |
| 401 | * This test does: |
| 402 | * source target |
| 403 | * migrate_incoming |
| 404 | * migrate |
| 405 | * migrate_cancel |
| 406 | * launch another target |
| 407 | * migrate |
| 408 | * |
| 409 | * And see that it works |
| 410 | */ |
| 411 | static void test_multifd_tcp_cancel(MigrateCommon *args, bool postcopy_ram) |
| 412 | { |
| 413 | QTestState *from, *to, *to2; |
| 414 | |
| 415 | args->start.hide_stderr = true; |
| 416 | |
| 417 | if (migrate_start(&from, &to, &args->start)) { |
| 418 | return; |
| 419 | } |
| 420 | |
| 421 | migrate_ensure_non_converge(from); |
| 422 | migrate_prepare_for_dirty_mem(from); |
| 423 | |
| 424 | if (postcopy_ram) { |
| 425 | migrate_set_capability(from, "postcopy-ram", true); |
| 426 | migrate_set_capability(to, "postcopy-ram", true); |
| 427 | } |
| 428 | |
| 429 | migrate_set_parameter_int(from, "multifd-channels", 16); |
| 430 | migrate_set_parameter_int(to, "multifd-channels", 16); |
| 431 | |
| 432 | migrate_set_capability(from, "multifd", true); |
| 433 | migrate_set_capability(to, "multifd", true); |
| 434 | |
| 435 | /* Start incoming migration from the 1st socket */ |
| 436 | migrate_incoming_qmp(to, "tcp:127.0.0.1:0", NULL, "{}"); |
| 437 | |
| 438 | /* Wait for the first serial output from the source */ |
| 439 | wait_for_serial("src_serial"); |
| 440 | |
| 441 | migrate_qmp(from, to, NULL, NULL, "{}"); |
| 442 | |
| 443 | migrate_wait_for_dirty_mem(from, to); |
| 444 | |
| 445 | migrate_cancel(from); |
| 446 | |
| 447 | /* Make sure QEMU process "to" exited */ |
| 448 | migration_event_wait(to, "failed"); |
| 449 | qtest_quit(to); |
| 450 | |
| 451 | /* |
| 452 | * Ensure the source QEMU finishes its cancellation process before we |
| 453 | * proceed with the setup of the next migration. The migrate_start() |
| 454 | * function and others might want to interact with the source in a way that |
| 455 | * is not possible while the migration is not canceled properly. For |
| 456 | * example, setting migration capabilities when the migration is still |
| 457 | * running leads to an error. |
| 458 | */ |
| 459 | wait_for_migration_status(from, "cancelled", NULL); |
| 460 | |
| 461 | args->start.only_target = true; |
| 462 | |
| 463 | if (migrate_start(&from, &to2, &args->start)) { |
| 464 | return; |
| 465 | } |
| 466 | |
| 467 | if (postcopy_ram) { |
| 468 | migrate_set_capability(to2, "postcopy-ram", true); |
| 469 | } |
| 470 | |
| 471 | migrate_set_parameter_int(to2, "multifd-channels", 16); |
| 472 | |
| 473 | migrate_set_capability(to2, "multifd", true); |
| 474 | |
| 475 | /* Start incoming migration from the 1st socket */ |
| 476 | migrate_incoming_qmp(to2, "tcp:127.0.0.1:0", NULL, "{}"); |
| 477 | |
| 478 | migrate_ensure_non_converge(from); |
| 479 | |
| 480 | migrate_qmp(from, to2, NULL, NULL, "{}"); |
| 481 | |
| 482 | migrate_wait_for_dirty_mem(from, to2); |
| 483 | |
| 484 | migrate_ensure_converge(from); |
| 485 | |
| 486 | wait_for_stop(from, get_src()); |
| 487 | qtest_qmp_eventwait(to2, "RESUME"); |
| 488 | |
| 489 | wait_for_serial("dest_serial"); |
| 490 | wait_for_migration_complete(from); |
| 491 | migrate_end(from, to2, true); |
| 492 | } |
| 493 | |
| 494 | static void test_multifd_precopy_tcp_cancel(char *name, MigrateCommon *args) |
| 495 | { |
| 496 | test_multifd_tcp_cancel(args, false); |
| 497 | } |
| 498 | |
| 499 | static void test_multifd_postcopy_tcp_cancel(char *name, MigrateCommon *args) |
| 500 | { |
| 501 | test_multifd_tcp_cancel(args, true); |
| 502 | } |
| 503 | |
| 504 | static void test_cancel_src_after_failed(QTestState *from, QTestState *to, |
| 505 | const char *uri, const char *phase, |
| 506 | MigrateStart *args) |
| 507 | { |
| 508 | /* |
| 509 | * No migrate_incoming_qmp() at the start to force source into |
| 510 | * failed state during migrate_qmp(). |
| 511 | */ |
| 512 | |
| 513 | wait_for_serial("src_serial"); |
| 514 | migrate_ensure_converge(from); |
| 515 | |
| 516 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 517 | |
| 518 | migration_event_wait(from, phase); |
| 519 | migrate_cancel(from); |
| 520 | |
| 521 | /* cancelling will not move the migration out of 'failed' */ |
| 522 | |
| 523 | wait_for_migration_status(from, "failed", |
| 524 | (const char * []) { "completed", NULL }); |
| 525 | |
| 526 | /* |
| 527 | * Not waiting for the destination because it never started |
| 528 | * migration. |
| 529 | */ |
| 530 | } |
| 531 | |
| 532 | static void test_cancel_src_after_cancelled(QTestState *from, QTestState *to, |
| 533 | const char *uri, const char *phase, |
| 534 | MigrateStart *args) |
| 535 | { |
| 536 | migrate_incoming_qmp(to, uri, NULL, "{}"); |
| 537 | |
| 538 | wait_for_serial("src_serial"); |
| 539 | migrate_ensure_converge(from); |
| 540 | |
| 541 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 542 | |
| 543 | /* To move to cancelled/cancelling */ |
| 544 | migrate_cancel(from); |
| 545 | migration_event_wait(from, phase); |
| 546 | |
| 547 | /* The migrate_cancel under test */ |
| 548 | migrate_cancel(from); |
| 549 | |
| 550 | wait_for_migration_status(from, "cancelled", |
| 551 | (const char * []) { "completed", NULL }); |
| 552 | |
| 553 | wait_for_migration_status(to, "failed", |
| 554 | (const char * []) { "completed", NULL }); |
| 555 | } |
| 556 | |
| 557 | static void test_cancel_src_after_complete(QTestState *from, QTestState *to, |
| 558 | const char *uri, const char *phase, |
| 559 | MigrateStart *args) |
| 560 | { |
| 561 | migrate_incoming_qmp(to, uri, NULL, "{}"); |
| 562 | |
| 563 | wait_for_serial("src_serial"); |
| 564 | migrate_ensure_converge(from); |
| 565 | |
| 566 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 567 | |
| 568 | migration_event_wait(from, phase); |
| 569 | migrate_cancel(from); |
| 570 | |
| 571 | /* |
| 572 | * qmp_migrate_cancel() exits early if migration is not running |
| 573 | * anymore, the status will not change to cancelled. |
| 574 | */ |
| 575 | wait_for_migration_complete(from); |
| 576 | wait_for_migration_complete(to); |
| 577 | } |
| 578 | |
| 579 | static void test_cancel_src_after_none(QTestState *from, QTestState *to, |
| 580 | const char *uri, const char *phase, |
| 581 | MigrateStart *args) |
| 582 | { |
| 583 | /* |
| 584 | * Test that cancelling without a migration happening does not |
| 585 | * affect subsequent migrations |
| 586 | */ |
| 587 | migrate_cancel(to); |
| 588 | |
| 589 | wait_for_serial("src_serial"); |
| 590 | migrate_cancel(from); |
| 591 | |
| 592 | migrate_incoming_qmp(to, uri, NULL, "{}"); |
| 593 | |
| 594 | migrate_ensure_converge(from); |
| 595 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 596 | |
| 597 | wait_for_migration_complete(from); |
| 598 | wait_for_migration_complete(to); |
| 599 | } |
| 600 | |
| 601 | static void test_cancel_src_pre_switchover(QTestState *from, QTestState *to, |
| 602 | const char *uri, const char *phase, |
| 603 | MigrateStart *args) |
| 604 | { |
| 605 | migrate_set_capability(from, "pause-before-switchover", true); |
| 606 | migrate_set_capability(to, "pause-before-switchover", true); |
| 607 | |
| 608 | migrate_set_capability(from, "multifd", true); |
| 609 | migrate_set_capability(to, "multifd", true); |
| 610 | |
| 611 | migrate_incoming_qmp(to, uri, NULL, "{}"); |
| 612 | |
| 613 | wait_for_serial("src_serial"); |
| 614 | migrate_ensure_converge(from); |
| 615 | |
| 616 | migrate_qmp(from, to, uri, NULL, "{}"); |
| 617 | |
| 618 | migration_event_wait(from, phase); |
| 619 | migrate_cancel(from); |
| 620 | migration_event_wait(from, "cancelling"); |
| 621 | |
| 622 | wait_for_migration_status(from, "cancelled", |
| 623 | (const char * []) { "completed", NULL }); |
| 624 | |
| 625 | wait_for_migration_status(to, "failed", |
| 626 | (const char * []) { "completed", NULL }); |
| 627 | } |
| 628 | |
| 629 | static void test_cancel_src_after_status(char *test_path, MigrateCommon *args) |
| 630 | { |
| 631 | g_autofree char *phase = g_path_get_basename(test_path); |
| 632 | g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); |
| 633 | QTestState *from, *to; |
| 634 | |
| 635 | args->start.hide_stderr = true; |
| 636 | |
| 637 | if (migrate_start(&from, &to, &args->start)) { |
| 638 | return; |
| 639 | } |
| 640 | |
| 641 | if (g_str_equal(phase, "cancelling") || |
| 642 | g_str_equal(phase, "cancelled")) { |
| 643 | test_cancel_src_after_cancelled(from, to, uri, phase, &args->start); |
| 644 | |
| 645 | } else if (g_str_equal(phase, "completed")) { |
| 646 | test_cancel_src_after_complete(from, to, uri, phase, &args->start); |
| 647 | |
| 648 | } else if (g_str_equal(phase, "failed")) { |
| 649 | test_cancel_src_after_failed(from, to, uri, phase, &args->start); |
| 650 | |
| 651 | } else if (g_str_equal(phase, "none")) { |
| 652 | test_cancel_src_after_none(from, to, uri, phase, &args->start); |
| 653 | |
| 654 | } else { |
| 655 | /* any state that comes before pre-switchover */ |
| 656 | test_cancel_src_pre_switchover(from, to, uri, phase, &args->start); |
| 657 | } |
| 658 | |
| 659 | migrate_end(from, to, false); |
| 660 | } |
| 661 | |
| 662 | static void calc_dirty_rate(QTestState *who, uint64_t calc_time) |
| 663 | { |
| 664 | qtest_qmp_assert_success(who, |
| 665 | "{ 'execute': 'calc-dirty-rate'," |
| 666 | "'arguments': { " |
| 667 | "'calc-time': %" PRIu64 "," |
| 668 | "'mode': 'dirty-ring' }}", |
| 669 | calc_time); |
| 670 | } |
| 671 | |
| 672 | static QDict *query_dirty_rate(QTestState *who) |
| 673 | { |
| 674 | return qtest_qmp_assert_success_ref(who, |
| 675 | "{ 'execute': 'query-dirty-rate' }"); |
| 676 | } |
| 677 | |
| 678 | static void dirtylimit_set_all(QTestState *who, uint64_t dirtyrate) |
| 679 | { |
| 680 | qtest_qmp_assert_success(who, |
| 681 | "{ 'execute': 'set-vcpu-dirty-limit'," |
| 682 | "'arguments': { " |
| 683 | "'dirty-rate': %" PRIu64 " } }", |
| 684 | dirtyrate); |
| 685 | } |
| 686 | |
| 687 | static void cancel_vcpu_dirty_limit(QTestState *who) |
| 688 | { |
| 689 | qtest_qmp_assert_success(who, |
| 690 | "{ 'execute': 'cancel-vcpu-dirty-limit' }"); |
| 691 | } |
| 692 | |
| 693 | static QDict *query_vcpu_dirty_limit(QTestState *who) |
| 694 | { |
| 695 | QDict *rsp; |
| 696 | |
| 697 | rsp = qtest_qmp(who, "{ 'execute': 'query-vcpu-dirty-limit' }"); |
| 698 | g_assert(!qdict_haskey(rsp, "error")); |
| 699 | g_assert(qdict_haskey(rsp, "return")); |
| 700 | |
| 701 | return rsp; |
| 702 | } |
| 703 | |
| 704 | static bool calc_dirtyrate_ready(QTestState *who) |
| 705 | { |
| 706 | QDict *rsp_return; |
| 707 | const char *status; |
| 708 | bool ready; |
| 709 | |
| 710 | rsp_return = query_dirty_rate(who); |
| 711 | g_assert(rsp_return); |
| 712 | |
| 713 | status = qdict_get_str(rsp_return, "status"); |
| 714 | g_assert(status); |
| 715 | ready = g_strcmp0(status, "measuring"); |
| 716 | qobject_unref(rsp_return); |
| 717 | |
| 718 | return ready; |
| 719 | } |
| 720 | |
| 721 | static void wait_for_calc_dirtyrate_complete(QTestState *who, |
| 722 | int64_t time_s) |
| 723 | { |
| 724 | int max_try_count = 10000; |
| 725 | usleep(time_s * 1000000); |
| 726 | |
| 727 | while (!calc_dirtyrate_ready(who) && max_try_count--) { |
| 728 | usleep(1000); |
| 729 | } |
| 730 | |
| 731 | /* |
| 732 | * Set the timeout with 10 s(max_try_count * 1000us), |
| 733 | * if dirtyrate measurement not complete, fail test. |
| 734 | */ |
| 735 | g_assert_cmpint(max_try_count, !=, 0); |
| 736 | } |
| 737 | |
| 738 | static int64_t get_dirty_rate(QTestState *who) |
| 739 | { |
| 740 | QDict *rsp_return; |
| 741 | const char *status; |
| 742 | QList *rates; |
| 743 | const QListEntry *entry; |
| 744 | QDict *rate; |
| 745 | int64_t dirtyrate; |
| 746 | |
| 747 | rsp_return = query_dirty_rate(who); |
| 748 | g_assert(rsp_return); |
| 749 | |
| 750 | status = qdict_get_str(rsp_return, "status"); |
| 751 | g_assert(status); |
| 752 | g_assert_cmpstr(status, ==, "measured"); |
| 753 | |
| 754 | rates = qdict_get_qlist(rsp_return, "vcpu-dirty-rate"); |
| 755 | g_assert(rates && !qlist_empty(rates)); |
| 756 | |
| 757 | entry = qlist_first(rates); |
| 758 | g_assert(entry); |
| 759 | |
| 760 | rate = qobject_to(QDict, qlist_entry_obj(entry)); |
| 761 | g_assert(rate); |
| 762 | |
| 763 | dirtyrate = qdict_get_try_int(rate, "dirty-rate", -1); |
| 764 | |
| 765 | qobject_unref(rsp_return); |
| 766 | return dirtyrate; |
| 767 | } |
| 768 | |
| 769 | static int64_t get_limit_rate(QTestState *who) |
| 770 | { |
| 771 | QDict *rsp_return; |
| 772 | QList *rates; |
| 773 | const QListEntry *entry; |
| 774 | QDict *rate; |
| 775 | int64_t dirtyrate; |
| 776 | |
| 777 | rsp_return = query_vcpu_dirty_limit(who); |
| 778 | g_assert(rsp_return); |
| 779 | |
| 780 | rates = qdict_get_qlist(rsp_return, "return"); |
| 781 | g_assert(rates && !qlist_empty(rates)); |
| 782 | |
| 783 | entry = qlist_first(rates); |
| 784 | g_assert(entry); |
| 785 | |
| 786 | rate = qobject_to(QDict, qlist_entry_obj(entry)); |
| 787 | g_assert(rate); |
| 788 | |
| 789 | dirtyrate = qdict_get_try_int(rate, "limit-rate", -1); |
| 790 | |
| 791 | qobject_unref(rsp_return); |
| 792 | return dirtyrate; |
| 793 | } |
| 794 | |
| 795 | static QTestState *dirtylimit_start_vm(void) |
| 796 | { |
| 797 | QTestState *vm = NULL; |
| 798 | g_autofree gchar *cmd = NULL; |
| 799 | const char *bootpath; |
| 800 | |
| 801 | bootpath = bootfile_create(qtest_get_arch(), tmpfs, false); |
| 802 | cmd = g_strdup_printf("-accel kvm,dirty-ring-size=4096 " |
| 803 | "-name dirtylimit-test,debug-threads=on " |
| 804 | "-m 150M -smp 1 " |
| 805 | "-serial file:%s/vm_serial " |
| 806 | "-drive file=%s,format=raw ", |
| 807 | tmpfs, bootpath); |
| 808 | |
| 809 | vm = qtest_init(cmd); |
| 810 | return vm; |
| 811 | } |
| 812 | |
| 813 | static void dirtylimit_stop_vm(QTestState *vm) |
| 814 | { |
| 815 | g_autofree char *path = g_strdup_printf("%s/%s", tmpfs, "vm_serial"); |
| 816 | |
| 817 | qtest_quit(vm); |
| 818 | unlink(path); |
| 819 | } |
| 820 | |
| 821 | static void test_vcpu_dirty_limit(char *name, MigrateCommon *args) |
| 822 | { |
| 823 | QTestState *vm; |
| 824 | int64_t origin_rate; |
| 825 | int64_t quota_rate; |
| 826 | int64_t rate ; |
| 827 | int max_try_count = 20; |
| 828 | int hit = 0; |
| 829 | |
| 830 | /* Start vm for vcpu dirtylimit test */ |
| 831 | vm = dirtylimit_start_vm(); |
| 832 | |
| 833 | /* Wait for the first serial output from the vm*/ |
| 834 | wait_for_serial("vm_serial"); |
| 835 | |
| 836 | /* Do dirtyrate measurement with calc time equals 1s */ |
| 837 | calc_dirty_rate(vm, 1); |
| 838 | |
| 839 | /* Sleep calc time and wait for calc dirtyrate complete */ |
| 840 | wait_for_calc_dirtyrate_complete(vm, 1); |
| 841 | |
| 842 | /* Query original dirty page rate */ |
| 843 | origin_rate = get_dirty_rate(vm); |
| 844 | |
| 845 | /* VM booted from bootsect should dirty memory steadily */ |
| 846 | assert(origin_rate != 0); |
| 847 | |
| 848 | /* Setup quota dirty page rate at half of origin */ |
| 849 | quota_rate = origin_rate / 2; |
| 850 | |
| 851 | /* Set dirtylimit */ |
| 852 | dirtylimit_set_all(vm, quota_rate); |
| 853 | |
| 854 | /* |
| 855 | * Check if set-vcpu-dirty-limit and query-vcpu-dirty-limit |
| 856 | * works literally |
| 857 | */ |
| 858 | g_assert_cmpint(quota_rate, ==, get_limit_rate(vm)); |
| 859 | |
| 860 | /* Sleep a bit to check if it take effect */ |
| 861 | usleep(2000000); |
| 862 | |
| 863 | /* |
| 864 | * Check if dirtylimit take effect realistically, set the |
| 865 | * timeout with 20 s(max_try_count * 1s), if dirtylimit |
| 866 | * doesn't take effect, fail test. |
| 867 | */ |
| 868 | while (--max_try_count) { |
| 869 | calc_dirty_rate(vm, 1); |
| 870 | wait_for_calc_dirtyrate_complete(vm, 1); |
| 871 | rate = get_dirty_rate(vm); |
| 872 | |
| 873 | /* |
| 874 | * Assume hitting if current rate is less |
| 875 | * than quota rate (within accepting error) |
| 876 | */ |
| 877 | if (rate < (quota_rate + DIRTYLIMIT_TOLERANCE_RANGE)) { |
| 878 | hit = 1; |
| 879 | break; |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | g_assert_cmpint(hit, ==, 1); |
| 884 | |
| 885 | hit = 0; |
| 886 | max_try_count = 20; |
| 887 | |
| 888 | /* Check if dirtylimit cancellation take effect */ |
| 889 | cancel_vcpu_dirty_limit(vm); |
| 890 | while (--max_try_count) { |
| 891 | calc_dirty_rate(vm, 1); |
| 892 | wait_for_calc_dirtyrate_complete(vm, 1); |
| 893 | rate = get_dirty_rate(vm); |
| 894 | |
| 895 | /* |
| 896 | * Assume dirtylimit be canceled if current rate is |
| 897 | * greater than quota rate (within accepting error) |
| 898 | */ |
| 899 | if (rate > (quota_rate + DIRTYLIMIT_TOLERANCE_RANGE)) { |
| 900 | hit = 1; |
| 901 | break; |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | g_assert_cmpint(hit, ==, 1); |
| 906 | dirtylimit_stop_vm(vm); |
| 907 | } |
| 908 | |
| 909 | static void migrate_dirty_limit_wait_showup(QTestState *from, |
| 910 | const int64_t period, |
| 911 | const int64_t value) |
| 912 | { |
| 913 | /* Enable dirty limit capability */ |
| 914 | migrate_set_capability(from, "dirty-limit", true); |
| 915 | |
| 916 | /* Set dirty limit parameters */ |
| 917 | migrate_set_parameter_int(from, "x-vcpu-dirty-limit-period", period); |
| 918 | migrate_set_parameter_int(from, "vcpu-dirty-limit", value); |
| 919 | |
| 920 | /* Make sure migrate can't converge */ |
| 921 | migrate_ensure_non_converge(from); |
| 922 | |
| 923 | /* To check limit rate after precopy */ |
| 924 | migrate_set_capability(from, "pause-before-switchover", true); |
| 925 | |
| 926 | /* Wait for the serial output from the source */ |
| 927 | wait_for_serial("src_serial"); |
| 928 | } |
| 929 | |
| 930 | /* |
| 931 | * This test does: |
| 932 | * source destination |
| 933 | * start vm |
| 934 | * start incoming vm |
| 935 | * migrate |
| 936 | * wait dirty limit to begin |
| 937 | * cancel migrate |
| 938 | * cancellation check |
| 939 | * restart incoming vm |
| 940 | * migrate |
| 941 | * wait dirty limit to begin |
| 942 | * wait pre-switchover event |
| 943 | * convergence condition check |
| 944 | * |
| 945 | * And see if dirty limit migration works correctly. |
| 946 | * This test case involves many passes, so it runs in slow mode only. |
| 947 | */ |
| 948 | static void test_dirty_limit(char *name, MigrateCommon *args) |
| 949 | { |
| 950 | g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); |
| 951 | QTestState *from, *to; |
| 952 | int64_t remaining; |
| 953 | uint64_t throttle_us_per_full; |
| 954 | /* |
| 955 | * We want the test to be stable and as fast as possible. |
| 956 | * E.g., with 1Gb/s bandwidth migration may pass without dirty limit, |
| 957 | * so we need to decrease a bandwidth. |
| 958 | */ |
| 959 | const int64_t dirtylimit_period = 1000, dirtylimit_value = 50; |
| 960 | const int64_t max_bandwidth = 400000000; /* ~400Mb/s */ |
| 961 | const int64_t downtime_limit = 250; /* 250ms */ |
| 962 | /* |
| 963 | * We migrate through unix-socket (> 500Mb/s). |
| 964 | * Thus, expected migration speed ~= bandwidth limit (< 500Mb/s). |
| 965 | * So, we can predict expected_threshold |
| 966 | */ |
| 967 | const int64_t expected_threshold = max_bandwidth * downtime_limit / 1000; |
| 968 | int max_try_count = 10; |
| 969 | |
| 970 | args->start.hide_stderr = true; |
| 971 | args->start.use_dirty_ring = true; |
| 972 | |
| 973 | args->uri = uri; |
| 974 | |
| 975 | /* Start src, dst vm */ |
| 976 | if (migrate_start(&from, &to, &args->start)) { |
| 977 | return; |
| 978 | } |
| 979 | |
| 980 | /* Prepare for dirty limit migration and wait src vm show up */ |
| 981 | migrate_dirty_limit_wait_showup(from, dirtylimit_period, dirtylimit_value); |
| 982 | |
| 983 | /* Start migrate */ |
| 984 | migrate_incoming_qmp(to, args->uri, NULL, "{}"); |
| 985 | migrate_qmp(from, to, args->uri, NULL, "{}"); |
| 986 | |
| 987 | /* Wait for dirty limit throttle begin */ |
| 988 | throttle_us_per_full = 0; |
| 989 | while (throttle_us_per_full == 0) { |
| 990 | throttle_us_per_full = |
| 991 | read_migrate_property_int(from, |
| 992 | "dirty-limit-throttle-time-per-round"); |
| 993 | usleep(100); |
| 994 | g_assert_false(get_src()->stop_seen); |
| 995 | } |
| 996 | |
| 997 | /* Now cancel migrate and wait for dirty limit throttle switch off */ |
| 998 | migrate_cancel(from); |
| 999 | wait_for_migration_status(from, "cancelled", NULL); |
| 1000 | |
| 1001 | /* destination always fails after cancel */ |
| 1002 | migration_event_wait(to, "failed"); |
| 1003 | qtest_quit(to); |
| 1004 | |
| 1005 | /* Check if dirty limit throttle switched off, set timeout 1ms */ |
| 1006 | do { |
| 1007 | throttle_us_per_full = |
| 1008 | read_migrate_property_int(from, |
| 1009 | "dirty-limit-throttle-time-per-round"); |
| 1010 | usleep(100); |
| 1011 | g_assert_false(get_src()->stop_seen); |
| 1012 | } while (throttle_us_per_full != 0 && --max_try_count); |
| 1013 | |
| 1014 | /* Assert dirty limit is not in service */ |
| 1015 | g_assert_cmpint(throttle_us_per_full, ==, 0); |
| 1016 | |
| 1017 | args->uri = uri; |
| 1018 | |
| 1019 | args->start.only_target = true; |
| 1020 | args->start.use_dirty_ring = true; |
| 1021 | |
| 1022 | /* Restart dst vm, src vm already show up so we needn't wait anymore */ |
| 1023 | if (migrate_start(&from, &to, &args->start)) { |
| 1024 | return; |
| 1025 | } |
| 1026 | |
| 1027 | /* Start migrate */ |
| 1028 | migrate_incoming_qmp(to, args->uri, NULL, "{}"); |
| 1029 | migrate_qmp(from, to, args->uri, NULL, "{}"); |
| 1030 | |
| 1031 | /* Wait for dirty limit throttle begin */ |
| 1032 | throttle_us_per_full = 0; |
| 1033 | while (throttle_us_per_full == 0) { |
| 1034 | throttle_us_per_full = |
| 1035 | read_migrate_property_int(from, |
| 1036 | "dirty-limit-throttle-time-per-round"); |
| 1037 | usleep(100); |
| 1038 | g_assert_false(get_src()->stop_seen); |
| 1039 | } |
| 1040 | |
| 1041 | /* |
| 1042 | * The dirty limit rate should equals the return value of |
| 1043 | * query-vcpu-dirty-limit if dirty limit cap set |
| 1044 | */ |
| 1045 | g_assert_cmpint(dirtylimit_value, ==, get_limit_rate(from)); |
| 1046 | |
| 1047 | /* Now, we have tested if dirty limit works, let it converge */ |
| 1048 | migrate_set_parameter_int(from, "downtime-limit", downtime_limit); |
| 1049 | migrate_set_parameter_int(from, "max-bandwidth", max_bandwidth); |
| 1050 | |
| 1051 | /* |
| 1052 | * Wait for pre-switchover status to check if migration |
| 1053 | * satisfy the convergence condition |
| 1054 | */ |
| 1055 | wait_for_migration_status(from, "pre-switchover", NULL); |
| 1056 | |
| 1057 | remaining = read_ram_property_int(from, "remaining"); |
| 1058 | g_assert_cmpint(remaining, <, |
| 1059 | (expected_threshold + expected_threshold / 100)); |
| 1060 | |
| 1061 | migrate_continue(from, "pre-switchover"); |
| 1062 | |
| 1063 | qtest_qmp_eventwait(to, "RESUME"); |
| 1064 | |
| 1065 | wait_for_serial("dest_serial"); |
| 1066 | wait_for_migration_complete(from); |
| 1067 | |
| 1068 | migrate_end(from, to, true); |
| 1069 | } |
| 1070 | |
| 1071 | static void migration_test_add_precopy_smoke(MigrationTestEnv *env) |
| 1072 | { |
| 1073 | if (env->is_x86) { |
| 1074 | migration_test_add("/migration/precopy/unix/suspend/live", |
| 1075 | test_precopy_unix_suspend_live); |
| 1076 | migration_test_add("/migration/precopy/unix/suspend/notlive", |
| 1077 | test_precopy_unix_suspend_notlive); |
| 1078 | } |
| 1079 | |
| 1080 | migration_test_add("/migration/precopy/unix/plain", |
| 1081 | test_precopy_unix_plain); |
| 1082 | |
| 1083 | migration_test_add("/migration/precopy/tcp/plain", test_precopy_tcp_plain); |
| 1084 | migration_test_add("/migration/multifd/tcp/uri/plain/none", |
| 1085 | test_multifd_tcp_uri_none); |
| 1086 | migration_test_add("/migration/multifd/tcp/plain/cancel", |
| 1087 | test_multifd_precopy_tcp_cancel); |
| 1088 | if (env->has_uffd) { |
| 1089 | migration_test_add("/migration/multifd+postcopy/tcp/plain/cancel", |
| 1090 | test_multifd_postcopy_tcp_cancel); |
| 1091 | } |
| 1092 | |
| 1093 | #ifdef CONFIG_RDMA |
| 1094 | migration_test_add("/migration/precopy/rdma/plain", |
| 1095 | test_precopy_rdma_plain); |
| 1096 | migration_test_add("/migration/precopy/rdma/plain/ipv6", |
| 1097 | test_precopy_rdma_plain_ipv6); |
| 1098 | #endif |
| 1099 | } |
| 1100 | |
| 1101 | void migration_test_add_precopy(MigrationTestEnv *env) |
| 1102 | { |
| 1103 | tmpfs = env->tmpfs; |
| 1104 | |
| 1105 | migration_test_add_precopy_smoke(env); |
| 1106 | |
| 1107 | if (!env->full_set) { |
| 1108 | return; |
| 1109 | } |
| 1110 | |
| 1111 | migration_test_add("/migration/precopy/tcp/plain/switchover-ack", |
| 1112 | test_precopy_tcp_switchover_ack); |
| 1113 | |
| 1114 | #ifndef _WIN32 |
| 1115 | migration_test_add("/migration/precopy/fd/tcp", |
| 1116 | test_precopy_fd_socket); |
| 1117 | #endif |
| 1118 | |
| 1119 | /* |
| 1120 | * See explanation why this test is slow on function definition |
| 1121 | */ |
| 1122 | if (g_test_slow()) { |
| 1123 | migration_test_add("/migration/auto_converge", |
| 1124 | test_auto_converge); |
| 1125 | if (g_str_equal(env->arch, "x86_64") && env->has_dirty_ring) { |
| 1126 | migration_test_add("/dirty_limit", |
| 1127 | test_dirty_limit); |
| 1128 | } |
| 1129 | } |
| 1130 | migration_test_add("/migration/multifd/tcp/channels/plain/none", |
| 1131 | test_multifd_tcp_channels_none); |
| 1132 | migration_test_add("/migration/multifd/tcp/plain/zero-page/legacy", |
| 1133 | test_multifd_tcp_zero_page_legacy); |
| 1134 | migration_test_add("/migration/multifd/tcp/plain/zero-page/none", |
| 1135 | test_multifd_tcp_no_zero_page); |
| 1136 | if (g_str_equal(env->arch, "x86_64") |
| 1137 | && env->has_kvm && env->has_dirty_ring) { |
| 1138 | |
| 1139 | migration_test_add("/migration/dirty_ring", |
| 1140 | test_precopy_unix_dirty_ring); |
| 1141 | if (qtest_has_machine("pc") && g_test_slow()) { |
| 1142 | migration_test_add("/migration/vcpu_dirty_limit", |
| 1143 | test_vcpu_dirty_limit); |
| 1144 | } |
| 1145 | } |
| 1146 | |
| 1147 | /* ensure new status don't go unnoticed */ |
| 1148 | assert(MIGRATION_STATUS__MAX == 17); |
| 1149 | |
| 1150 | for (int i = MIGRATION_STATUS_NONE; i < MIGRATION_STATUS__MAX; i++) { |
| 1151 | switch (i) { |
| 1152 | case MIGRATION_STATUS_DEVICE: /* happens too fast */ |
| 1153 | case MIGRATION_STATUS_WAIT_UNPLUG: /* no support in tests */ |
| 1154 | case MIGRATION_STATUS_COLO: /* no support in tests */ |
| 1155 | case MIGRATION_STATUS_POSTCOPY_DEVICE: /* postcopy can't be cancelled */ |
| 1156 | case MIGRATION_STATUS_POSTCOPY_ACTIVE: /* postcopy can't be cancelled */ |
| 1157 | case MIGRATION_STATUS_POSTCOPY_PAUSED: |
| 1158 | case MIGRATION_STATUS_POSTCOPY_RECOVER_SETUP: |
| 1159 | case MIGRATION_STATUS_POSTCOPY_RECOVER: |
| 1160 | case MIGRATION_STATUS_FAILING: |
| 1161 | continue; |
| 1162 | default: |
| 1163 | migration_test_add_suffix("/migration/cancel/src/after/", |
| 1164 | MigrationStatus_str(i), |
| 1165 | test_cancel_src_after_status); |
| 1166 | } |
| 1167 | } |
| 1168 | } |