2 * QTest testcase for migration
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.
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.
13 #include "qemu/osdep.h"
16 #include "qapi/error.h"
17 #include "qapi/qmp/qdict.h"
18 #include "qemu/module.h"
19 #include "qemu/option.h"
20 #include "qemu/range.h"
21 #include "qemu/sockets.h"
22 #include "chardev/char.h"
23 #include "qapi/qapi-visit-sockets.h"
24 #include "qapi/qobject-input-visitor.h"
25 #include "qapi/qobject-output-visitor.h"
26 #include "crypto/tlscredspsk.h"
27 #include "qapi/qmp/qlist.h"
29 #include "migration-helpers.h"
30 #include "tests/migration/migration-test.h"
32 # include "tests/unit/crypto-tls-psk-helpers.h"
34 # include "tests/unit/crypto-tls-x509-helpers.h"
35 # endif /* CONFIG_TASN1 */
36 #endif /* CONFIG_GNUTLS */
38 /* For dirty ring test; so far only x86_64 is supported */
39 #if defined(__linux__) && defined(HOST_X86_64)
40 #include "linux/kvm.h"
43 unsigned start_address
;
45 static bool uffd_feature_thread_id
;
46 static bool got_src_stop
;
47 static bool got_dst_resume
;
50 * An initial 3 MB offset is used as that corresponds
51 * to ~1 sec of data transfer with our bandwidth setting.
53 #define MAGIC_OFFSET_BASE (3 * 1024 * 1024)
55 * A further 1k is added to ensure we're not a multiple
56 * of TEST_MEM_PAGE_SIZE, thus avoid clash with writes
57 * from the migration guest workload.
59 #define MAGIC_OFFSET_SHUFFLE 1024
60 #define MAGIC_OFFSET (MAGIC_OFFSET_BASE + MAGIC_OFFSET_SHUFFLE)
61 #define MAGIC_MARKER 0xFEED12345678CAFEULL
64 * Dirtylimit stop working if dirty page rate error
65 * value less than DIRTYLIMIT_TOLERANCE_RANGE
67 #define DIRTYLIMIT_TOLERANCE_RANGE 25 /* MB/s */
69 #if defined(__linux__)
70 #include <sys/syscall.h>
74 #if defined(__linux__) && defined(__NR_userfaultfd) && defined(CONFIG_EVENTFD)
75 #include <sys/eventfd.h>
76 #include <sys/ioctl.h>
77 #include "qemu/userfaultfd.h"
79 static bool ufd_version_check(void)
81 struct uffdio_api api_struct
;
84 int ufd
= uffd_open(O_CLOEXEC
);
87 g_test_message("Skipping test: userfaultfd not available");
91 api_struct
.api
= UFFD_API
;
92 api_struct
.features
= 0;
93 if (ioctl(ufd
, UFFDIO_API
, &api_struct
)) {
94 g_test_message("Skipping test: UFFDIO_API failed");
97 uffd_feature_thread_id
= api_struct
.features
& UFFD_FEATURE_THREAD_ID
;
99 ioctl_mask
= (__u64
)1 << _UFFDIO_REGISTER
|
100 (__u64
)1 << _UFFDIO_UNREGISTER
;
101 if ((api_struct
.ioctls
& ioctl_mask
) != ioctl_mask
) {
102 g_test_message("Skipping test: Missing userfault feature");
110 static bool ufd_version_check(void)
112 g_test_message("Skipping test: Userfault not available (builtdtime)");
120 /* The boot file modifies memory area in [start_address, end_address)
121 * repeatedly. It outputs a 'B' at a fixed rate while it's still running.
123 #include "tests/migration/i386/a-b-bootblock.h"
124 #include "tests/migration/aarch64/a-b-kernel.h"
125 #include "tests/migration/s390x/a-b-bios.h"
127 static void init_bootfile(const char *bootpath
, void *content
, size_t len
)
129 FILE *bootfile
= fopen(bootpath
, "wb");
131 g_assert_cmpint(fwrite(content
, len
, 1, bootfile
), ==, 1);
136 * Wait for some output in the serial output file,
137 * we get an 'A' followed by an endless string of 'B's
138 * but on the destination we won't have the A.
140 static void wait_for_serial(const char *side
)
142 g_autofree
char *serialpath
= g_strdup_printf("%s/%s", tmpfs
, side
);
143 FILE *serialfile
= fopen(serialpath
, "r");
144 const char *arch
= qtest_get_arch();
145 int started
= (strcmp(side
, "src_serial") == 0 &&
146 strcmp(arch
, "ppc64") == 0) ? 0 : 1;
149 int readvalue
= fgetc(serialfile
);
152 /* SLOF prints its banner before starting test,
153 * to ignore it, mark the start of the test with '_',
154 * ignore all characters until this marker
161 fseek(serialfile
, 0, SEEK_SET
);
178 started
= (strcmp(side
, "src_serial") == 0 &&
179 strcmp(arch
, "ppc64") == 0) ? 0 : 1;
180 fseek(serialfile
, 0, SEEK_SET
);
185 fprintf(stderr
, "Unexpected %d on %s serial\n", readvalue
, side
);
186 g_assert_not_reached();
192 * It's tricky to use qemu's migration event capability with qtest,
193 * events suddenly appearing confuse the qmp()/hmp() responses.
196 static int64_t read_ram_property_int(QTestState
*who
, const char *property
)
198 QDict
*rsp_return
, *rsp_ram
;
201 rsp_return
= migrate_query_not_failed(who
);
202 if (!qdict_haskey(rsp_return
, "ram")) {
206 rsp_ram
= qdict_get_qdict(rsp_return
, "ram");
207 result
= qdict_get_try_int(rsp_ram
, property
, 0);
209 qobject_unref(rsp_return
);
213 static int64_t read_migrate_property_int(QTestState
*who
, const char *property
)
218 rsp_return
= migrate_query_not_failed(who
);
219 result
= qdict_get_try_int(rsp_return
, property
, 0);
220 qobject_unref(rsp_return
);
224 static uint64_t get_migration_pass(QTestState
*who
)
226 return read_ram_property_int(who
, "dirty-sync-count");
229 static void read_blocktime(QTestState
*who
)
233 rsp_return
= migrate_query_not_failed(who
);
234 g_assert(qdict_haskey(rsp_return
, "postcopy-blocktime"));
235 qobject_unref(rsp_return
);
238 static void wait_for_migration_pass(QTestState
*who
)
240 uint64_t initial_pass
= get_migration_pass(who
);
243 /* Wait for the 1st sync */
244 while (!got_src_stop
&& !initial_pass
) {
246 initial_pass
= get_migration_pass(who
);
251 pass
= get_migration_pass(who
);
252 } while (pass
== initial_pass
&& !got_src_stop
);
255 static void check_guests_ram(QTestState
*who
)
257 /* Our ASM test will have been incrementing one byte from each page from
258 * start_address to < end_address in order. This gives us a constraint
259 * that any page's byte should be equal or less than the previous pages
260 * byte (mod 256); and they should all be equal except for one transition
261 * at the point where we meet the incrementer. (We're running this with
262 * the guest stopped).
267 bool hit_edge
= false;
270 qtest_memread(who
, start_address
, &first_byte
, 1);
271 last_byte
= first_byte
;
273 for (address
= start_address
+ TEST_MEM_PAGE_SIZE
; address
< end_address
;
274 address
+= TEST_MEM_PAGE_SIZE
)
277 qtest_memread(who
, address
, &b
, 1);
278 if (b
!= last_byte
) {
279 if (((b
+ 1) % 256) == last_byte
&& !hit_edge
) {
280 /* This is OK, the guest stopped at the point of
281 * incrementing the previous page but didn't get
289 fprintf(stderr
, "Memory content inconsistency at %x"
290 " first_byte = %x last_byte = %x current = %x"
292 address
, first_byte
, last_byte
, b
, hit_edge
);
298 fprintf(stderr
, "and in another %d pages", bad
- 10);
303 static void cleanup(const char *filename
)
305 g_autofree
char *path
= g_strdup_printf("%s/%s", tmpfs
, filename
);
310 static char *SocketAddress_to_str(SocketAddress
*addr
)
312 switch (addr
->type
) {
313 case SOCKET_ADDRESS_TYPE_INET
:
314 return g_strdup_printf("tcp:%s:%s",
317 case SOCKET_ADDRESS_TYPE_UNIX
:
318 return g_strdup_printf("unix:%s",
319 addr
->u
.q_unix
.path
);
320 case SOCKET_ADDRESS_TYPE_FD
:
321 return g_strdup_printf("fd:%s", addr
->u
.fd
.str
);
322 case SOCKET_ADDRESS_TYPE_VSOCK
:
323 return g_strdup_printf("tcp:%s:%s",
327 return g_strdup("unknown address type");
331 static char *migrate_get_socket_address(QTestState
*who
, const char *parameter
)
335 SocketAddressList
*addrs
;
339 rsp
= migrate_query(who
);
340 object
= qdict_get(rsp
, parameter
);
342 iv
= qobject_input_visitor_new(object
);
343 visit_type_SocketAddressList(iv
, NULL
, &addrs
, &error_abort
);
346 /* we are only using a single address */
347 result
= SocketAddress_to_str(addrs
->value
);
349 qapi_free_SocketAddressList(addrs
);
354 static long long migrate_get_parameter_int(QTestState
*who
,
355 const char *parameter
)
360 rsp
= qtest_qmp_assert_success_ref(
361 who
, "{ 'execute': 'query-migrate-parameters' }");
362 result
= qdict_get_int(rsp
, parameter
);
367 static void migrate_check_parameter_int(QTestState
*who
, const char *parameter
,
372 result
= migrate_get_parameter_int(who
, parameter
);
373 g_assert_cmpint(result
, ==, value
);
376 static void migrate_set_parameter_int(QTestState
*who
, const char *parameter
,
379 qtest_qmp_assert_success(who
,
380 "{ 'execute': 'migrate-set-parameters',"
381 "'arguments': { %s: %lld } }",
383 migrate_check_parameter_int(who
, parameter
, value
);
386 static char *migrate_get_parameter_str(QTestState
*who
,
387 const char *parameter
)
392 rsp
= qtest_qmp_assert_success_ref(
393 who
, "{ 'execute': 'query-migrate-parameters' }");
394 result
= g_strdup(qdict_get_str(rsp
, parameter
));
399 static void migrate_check_parameter_str(QTestState
*who
, const char *parameter
,
402 g_autofree
char *result
= migrate_get_parameter_str(who
, parameter
);
403 g_assert_cmpstr(result
, ==, value
);
406 static void migrate_set_parameter_str(QTestState
*who
, const char *parameter
,
409 qtest_qmp_assert_success(who
,
410 "{ 'execute': 'migrate-set-parameters',"
411 "'arguments': { %s: %s } }",
413 migrate_check_parameter_str(who
, parameter
, value
);
416 static long long migrate_get_parameter_bool(QTestState
*who
,
417 const char *parameter
)
422 rsp
= qtest_qmp_assert_success_ref(
423 who
, "{ 'execute': 'query-migrate-parameters' }");
424 result
= qdict_get_bool(rsp
, parameter
);
429 static void migrate_check_parameter_bool(QTestState
*who
, const char *parameter
,
434 result
= migrate_get_parameter_bool(who
, parameter
);
435 g_assert_cmpint(result
, ==, value
);
438 static void migrate_set_parameter_bool(QTestState
*who
, const char *parameter
,
441 qtest_qmp_assert_success(who
,
442 "{ 'execute': 'migrate-set-parameters',"
443 "'arguments': { %s: %i } }",
445 migrate_check_parameter_bool(who
, parameter
, value
);
448 static void migrate_ensure_non_converge(QTestState
*who
)
450 /* Can't converge with 1ms downtime + 3 mbs bandwidth limit */
451 migrate_set_parameter_int(who
, "max-bandwidth", 3 * 1000 * 1000);
452 migrate_set_parameter_int(who
, "downtime-limit", 1);
455 static void migrate_ensure_converge(QTestState
*who
)
457 /* Should converge with 30s downtime + 1 gbs bandwidth limit */
458 migrate_set_parameter_int(who
, "max-bandwidth", 1 * 1000 * 1000 * 1000);
459 migrate_set_parameter_int(who
, "downtime-limit", 30 * 1000);
463 * Our goal is to ensure that we run a single full migration
464 * iteration, and also dirty memory, ensuring that at least
465 * one further iteration is required.
467 * We can't directly synchronize with the start of a migration
468 * so we have to apply some tricks monitoring memory that is
471 * Initially we set the migration bandwidth to an insanely
472 * low value, with tiny max downtime too. This basically
473 * guarantees migration will never complete.
475 * This will result in a test that is unacceptably slow though,
476 * so we can't let the entire migration pass run at this speed.
477 * Our intent is to let it run just long enough that we can
478 * prove data prior to the marker has been transferred *AND*
479 * also prove this transferred data is dirty again.
481 * Before migration starts, we write a 64-bit magic marker
482 * into a fixed location in the src VM RAM.
484 * Then watch dst memory until the marker appears. This is
485 * proof that start_address -> MAGIC_OFFSET_BASE has been
488 * Finally we go back to the source and read a byte just
489 * before the marker untill we see it flip in value. This
490 * is proof that start_address -> MAGIC_OFFSET_BASE
491 * is now dirty again.
493 * IOW, we're guaranteed at least a 2nd migration pass
496 * We can now let migration run at full speed to finish
499 static void migrate_prepare_for_dirty_mem(QTestState
*from
)
502 * The guest workflow iterates from start_address to
503 * end_address, writing 1 byte every TEST_MEM_PAGE_SIZE
506 * IOW, if we write to mem at a point which is NOT
507 * a multiple of TEST_MEM_PAGE_SIZE, our write won't
508 * conflict with the migration workflow.
510 * We put in a marker here, that we'll use to determine
511 * when the data has been transferred to the dst.
513 qtest_writeq(from
, start_address
+ MAGIC_OFFSET
, MAGIC_MARKER
);
516 static void migrate_wait_for_dirty_mem(QTestState
*from
,
519 uint64_t watch_address
= start_address
+ MAGIC_OFFSET_BASE
;
520 uint64_t marker_address
= start_address
+ MAGIC_OFFSET
;
524 * Wait for the MAGIC_MARKER to get transferred, as an
525 * indicator that a migration pass has made some known
526 * amount of progress.
530 } while (qtest_readq(to
, marker_address
) != MAGIC_MARKER
);
533 * Now ensure that already transferred bytes are
534 * dirty again from the guest workload. Note the
535 * guest byte value will wrap around and by chance
536 * match the original watch_byte. This is harmless
537 * as we'll eventually see a different value if we
540 watch_byte
= qtest_readb(from
, watch_address
);
543 } while (qtest_readb(from
, watch_address
) == watch_byte
);
547 static void migrate_pause(QTestState
*who
)
549 qtest_qmp_assert_success(who
, "{ 'execute': 'migrate-pause' }");
552 static void migrate_continue(QTestState
*who
, const char *state
)
554 qtest_qmp_assert_success(who
,
555 "{ 'execute': 'migrate-continue',"
556 " 'arguments': { 'state': %s } }",
560 static void migrate_recover(QTestState
*who
, const char *uri
)
562 qtest_qmp_assert_success(who
,
563 "{ 'execute': 'migrate-recover', "
564 " 'id': 'recover-cmd', "
565 " 'arguments': { 'uri': %s } }",
569 static void migrate_cancel(QTestState
*who
)
571 qtest_qmp_assert_success(who
, "{ 'execute': 'migrate_cancel' }");
574 static void migrate_set_capability(QTestState
*who
, const char *capability
,
577 qtest_qmp_assert_success(who
,
578 "{ 'execute': 'migrate-set-capabilities',"
580 "'capabilities': [ { "
581 "'capability': %s, 'state': %i } ] } }",
585 static void migrate_postcopy_start(QTestState
*from
, QTestState
*to
)
587 qtest_qmp_assert_success(from
, "{ 'execute': 'migrate-start-postcopy' }");
590 qtest_qmp_eventwait(from
, "STOP");
593 qtest_qmp_eventwait(to
, "RESUME");
598 * QTEST_LOG=1 may override this. When QTEST_LOG=1, we always dump errors
599 * unconditionally, because it means the user would like to be verbose.
603 /* only launch the target process */
605 /* Use dirty ring if true; dirty logging otherwise */
607 const char *opts_source
;
608 const char *opts_target
;
612 * A hook that runs after the src and dst QEMUs have been
613 * created, but before the migration is started. This can
614 * be used to set migration parameters and capabilities.
616 * Returns: NULL, or a pointer to opaque state to be
617 * later passed to the TestMigrateFinishHook
619 typedef void * (*TestMigrateStartHook
)(QTestState
*from
,
623 * A hook that runs after the migration has finished,
624 * regardless of whether it succeeded or failed, but
625 * before QEMU has terminated (unless it self-terminated
626 * due to migration error)
628 * @opaque is a pointer to state previously returned
629 * by the TestMigrateStartHook if any, or NULL.
631 typedef void (*TestMigrateFinishHook
)(QTestState
*from
,
636 /* Optional: fine tune start parameters */
639 /* Required: the URI for the dst QEMU to listen on */
640 const char *listen_uri
;
643 * Optional: the URI for the src QEMU to connect to
644 * If NULL, then it will query the dst QEMU for its actual
645 * listening address and use that as the connect address.
646 * This allows for dynamically picking a free TCP port.
648 const char *connect_uri
;
650 /* Optional: callback to run at start to set migration parameters */
651 TestMigrateStartHook start_hook
;
652 /* Optional: callback to run at finish to cleanup */
653 TestMigrateFinishHook finish_hook
;
656 * Optional: normally we expect the migration process to complete.
658 * There can be a variety of reasons and stages in which failure
659 * can happen during tests.
661 * If a failure is expected to happen at time of establishing
662 * the connection, then MIG_TEST_FAIL will indicate that the dst
663 * QEMU is expected to stay running and accept future migration
666 * If a failure is expected to happen while processing the
667 * migration stream, then MIG_TEST_FAIL_DEST_QUIT_ERR will indicate
668 * that the dst QEMU is expected to quit with non-zero exit status
671 /* This test should succeed, the default */
672 MIG_TEST_SUCCEED
= 0,
673 /* This test should fail, dest qemu should keep alive */
675 /* This test should fail, dest qemu should fail with abnormal status */
676 MIG_TEST_FAIL_DEST_QUIT_ERR
,
680 * Optional: set number of migration passes to wait for, if live==true.
681 * If zero, then merely wait for a few MB of dirty data
683 unsigned int iterations
;
686 * Optional: whether the guest CPUs should be running during a precopy
687 * migration test. We used to always run with live but it took much
688 * longer so we reduced live tests to only the ones that have solid
689 * reason to be tested live-only. For each of the new test cases for
690 * precopy please provide justifications to use live explicitly (please
691 * refer to existing ones with live=true), or use live=off by default.
695 /* Postcopy specific fields */
697 bool postcopy_preempt
;
700 static int test_migrate_start(QTestState
**from
, QTestState
**to
,
701 const char *uri
, MigrateStart
*args
)
703 g_autofree gchar
*arch_source
= NULL
;
704 g_autofree gchar
*arch_target
= NULL
;
705 g_autofree gchar
*cmd_source
= NULL
;
706 g_autofree gchar
*cmd_target
= NULL
;
707 const gchar
*ignore_stderr
;
708 g_autofree
char *bootpath
= NULL
;
709 g_autofree
char *shmem_opts
= NULL
;
710 g_autofree
char *shmem_path
= NULL
;
711 const char *arch
= qtest_get_arch();
712 const char *machine_opts
= NULL
;
713 const char *memory_size
;
715 if (args
->use_shmem
) {
716 if (!g_file_test("/dev/shm", G_FILE_TEST_IS_DIR
)) {
717 g_test_skip("/dev/shm is not supported");
722 got_src_stop
= false;
723 got_dst_resume
= false;
724 bootpath
= g_strdup_printf("%s/bootsect", tmpfs
);
725 if (strcmp(arch
, "i386") == 0 || strcmp(arch
, "x86_64") == 0) {
726 /* the assembled x86 boot sector should be exactly one sector large */
727 assert(sizeof(x86_bootsect
) == 512);
728 init_bootfile(bootpath
, x86_bootsect
, sizeof(x86_bootsect
));
729 memory_size
= "150M";
730 arch_source
= g_strdup_printf("-drive file=%s,format=raw", bootpath
);
731 arch_target
= g_strdup(arch_source
);
732 start_address
= X86_TEST_MEM_START
;
733 end_address
= X86_TEST_MEM_END
;
734 } else if (g_str_equal(arch
, "s390x")) {
735 init_bootfile(bootpath
, s390x_elf
, sizeof(s390x_elf
));
736 memory_size
= "128M";
737 arch_source
= g_strdup_printf("-bios %s", bootpath
);
738 arch_target
= g_strdup(arch_source
);
739 start_address
= S390_TEST_MEM_START
;
740 end_address
= S390_TEST_MEM_END
;
741 } else if (strcmp(arch
, "ppc64") == 0) {
742 machine_opts
= "vsmt=8";
743 memory_size
= "256M";
744 start_address
= PPC_TEST_MEM_START
;
745 end_address
= PPC_TEST_MEM_END
;
746 arch_source
= g_strdup_printf("-nodefaults "
747 "-prom-env 'use-nvramrc?=true' -prom-env "
748 "'nvramrc=hex .\" _\" begin %x %x "
749 "do i c@ 1 + i c! 1000 +loop .\" B\" 0 "
750 "until'", end_address
, start_address
);
751 arch_target
= g_strdup("");
752 } else if (strcmp(arch
, "aarch64") == 0) {
753 init_bootfile(bootpath
, aarch64_kernel
, sizeof(aarch64_kernel
));
754 machine_opts
= "virt,gic-version=max";
755 memory_size
= "150M";
756 arch_source
= g_strdup_printf("-cpu max "
759 arch_target
= g_strdup(arch_source
);
760 start_address
= ARM_TEST_MEM_START
;
761 end_address
= ARM_TEST_MEM_END
;
763 g_assert(sizeof(aarch64_kernel
) <= ARM_TEST_MAX_KERNEL_SIZE
);
765 g_assert_not_reached();
768 if (!getenv("QTEST_LOG") && args
->hide_stderr
) {
770 ignore_stderr
= "2>/dev/null";
773 * On Windows the QEMU executable is created via CreateProcess() and
774 * IO redirection does not work, so don't bother adding IO redirection
775 * to the command line.
783 if (args
->use_shmem
) {
784 shmem_path
= g_strdup_printf("/dev/shm/qemu-%d", getpid());
785 shmem_opts
= g_strdup_printf(
786 "-object memory-backend-file,id=mem0,size=%s"
787 ",mem-path=%s,share=on -numa node,memdev=mem0",
788 memory_size
, shmem_path
);
791 shmem_opts
= g_strdup("");
794 cmd_source
= g_strdup_printf("-accel kvm%s -accel tcg%s%s "
795 "-name source,debug-threads=on "
797 "-serial file:%s/src_serial "
799 args
->use_dirty_ring
?
800 ",dirty-ring-size=4096" : "",
801 machine_opts
? " -machine " : "",
802 machine_opts
? machine_opts
: "",
804 arch_source
, shmem_opts
,
805 args
->opts_source
? args
->opts_source
: "",
807 if (!args
->only_target
) {
808 *from
= qtest_init(cmd_source
);
809 qtest_qmp_set_event_callback(*from
,
810 migrate_watch_for_stop
,
814 cmd_target
= g_strdup_printf("-accel kvm%s -accel tcg%s%s "
815 "-name target,debug-threads=on "
817 "-serial file:%s/dest_serial "
820 args
->use_dirty_ring
?
821 ",dirty-ring-size=4096" : "",
822 machine_opts
? " -machine " : "",
823 machine_opts
? machine_opts
: "",
824 memory_size
, tmpfs
, uri
,
825 arch_target
, shmem_opts
,
826 args
->opts_target
? args
->opts_target
: "",
828 *to
= qtest_init(cmd_target
);
829 qtest_qmp_set_event_callback(*to
,
830 migrate_watch_for_resume
,
834 * Remove shmem file immediately to avoid memory leak in test failed case.
835 * It's valid becase QEMU has already opened this file
837 if (args
->use_shmem
) {
844 static void test_migrate_end(QTestState
*from
, QTestState
*to
, bool test_dest
)
846 unsigned char dest_byte_a
, dest_byte_b
, dest_byte_c
, dest_byte_d
;
851 qtest_memread(to
, start_address
, &dest_byte_a
, 1);
853 /* Destination still running, wait for a byte to change */
855 qtest_memread(to
, start_address
, &dest_byte_b
, 1);
857 } while (dest_byte_a
== dest_byte_b
);
859 qtest_qmp_assert_success(to
, "{ 'execute' : 'stop'}");
861 /* With it stopped, check nothing changes */
862 qtest_memread(to
, start_address
, &dest_byte_c
, 1);
864 qtest_memread(to
, start_address
, &dest_byte_d
, 1);
865 g_assert_cmpint(dest_byte_c
, ==, dest_byte_d
);
867 check_guests_ram(to
);
873 cleanup("migsocket");
874 cleanup("src_serial");
875 cleanup("dest_serial");
879 struct TestMigrateTLSPSKData
{
887 test_migrate_tls_psk_start_common(QTestState
*from
,
891 struct TestMigrateTLSPSKData
*data
=
892 g_new0(struct TestMigrateTLSPSKData
, 1);
894 data
->workdir
= g_strdup_printf("%s/tlscredspsk0", tmpfs
);
895 data
->pskfile
= g_strdup_printf("%s/%s", data
->workdir
,
896 QCRYPTO_TLS_CREDS_PSKFILE
);
897 g_mkdir_with_parents(data
->workdir
, 0700);
898 test_tls_psk_init(data
->pskfile
);
901 data
->workdiralt
= g_strdup_printf("%s/tlscredspskalt0", tmpfs
);
902 data
->pskfilealt
= g_strdup_printf("%s/%s", data
->workdiralt
,
903 QCRYPTO_TLS_CREDS_PSKFILE
);
904 g_mkdir_with_parents(data
->workdiralt
, 0700);
905 test_tls_psk_init_alt(data
->pskfilealt
);
908 qtest_qmp_assert_success(from
,
909 "{ 'execute': 'object-add',"
910 " 'arguments': { 'qom-type': 'tls-creds-psk',"
911 " 'id': 'tlscredspsk0',"
912 " 'endpoint': 'client',"
914 " 'username': 'qemu'} }",
917 qtest_qmp_assert_success(to
,
918 "{ 'execute': 'object-add',"
919 " 'arguments': { 'qom-type': 'tls-creds-psk',"
920 " 'id': 'tlscredspsk0',"
921 " 'endpoint': 'server',"
923 mismatch
? data
->workdiralt
: data
->workdir
);
925 migrate_set_parameter_str(from
, "tls-creds", "tlscredspsk0");
926 migrate_set_parameter_str(to
, "tls-creds", "tlscredspsk0");
932 test_migrate_tls_psk_start_match(QTestState
*from
,
935 return test_migrate_tls_psk_start_common(from
, to
, false);
939 test_migrate_tls_psk_start_mismatch(QTestState
*from
,
942 return test_migrate_tls_psk_start_common(from
, to
, true);
946 test_migrate_tls_psk_finish(QTestState
*from
,
950 struct TestMigrateTLSPSKData
*data
= opaque
;
952 test_tls_psk_cleanup(data
->pskfile
);
953 if (data
->pskfilealt
) {
954 test_tls_psk_cleanup(data
->pskfilealt
);
956 rmdir(data
->workdir
);
957 if (data
->workdiralt
) {
958 rmdir(data
->workdiralt
);
961 g_free(data
->workdiralt
);
962 g_free(data
->pskfilealt
);
963 g_free(data
->workdir
);
964 g_free(data
->pskfile
);
977 } TestMigrateTLSX509Data
;
984 const char *certhostname
;
985 const char *certipaddr
;
986 } TestMigrateTLSX509
;
989 test_migrate_tls_x509_start_common(QTestState
*from
,
991 TestMigrateTLSX509
*args
)
993 TestMigrateTLSX509Data
*data
= g_new0(TestMigrateTLSX509Data
, 1);
995 data
->workdir
= g_strdup_printf("%s/tlscredsx5090", tmpfs
);
996 data
->keyfile
= g_strdup_printf("%s/key.pem", data
->workdir
);
998 data
->cacert
= g_strdup_printf("%s/ca-cert.pem", data
->workdir
);
999 data
->serverkey
= g_strdup_printf("%s/server-key.pem", data
->workdir
);
1000 data
->servercert
= g_strdup_printf("%s/server-cert.pem", data
->workdir
);
1001 if (args
->clientcert
) {
1002 data
->clientkey
= g_strdup_printf("%s/client-key.pem", data
->workdir
);
1003 data
->clientcert
= g_strdup_printf("%s/client-cert.pem", data
->workdir
);
1006 g_mkdir_with_parents(data
->workdir
, 0700);
1008 test_tls_init(data
->keyfile
);
1010 g_assert(link(data
->keyfile
, data
->serverkey
) == 0);
1012 g_assert(CreateHardLink(data
->serverkey
, data
->keyfile
, NULL
) != 0);
1014 if (args
->clientcert
) {
1016 g_assert(link(data
->keyfile
, data
->clientkey
) == 0);
1018 g_assert(CreateHardLink(data
->clientkey
, data
->keyfile
, NULL
) != 0);
1022 TLS_ROOT_REQ_SIMPLE(cacertreq
, data
->cacert
);
1023 if (args
->clientcert
) {
1024 TLS_CERT_REQ_SIMPLE_CLIENT(servercertreq
, cacertreq
,
1025 args
->hostileclient
?
1026 QCRYPTO_TLS_TEST_CLIENT_HOSTILE_NAME
:
1027 QCRYPTO_TLS_TEST_CLIENT_NAME
,
1031 TLS_CERT_REQ_SIMPLE_SERVER(clientcertreq
, cacertreq
,
1036 qtest_qmp_assert_success(from
,
1037 "{ 'execute': 'object-add',"
1038 " 'arguments': { 'qom-type': 'tls-creds-x509',"
1039 " 'id': 'tlscredsx509client0',"
1040 " 'endpoint': 'client',"
1042 " 'sanity-check': true,"
1043 " 'verify-peer': true} }",
1045 migrate_set_parameter_str(from
, "tls-creds", "tlscredsx509client0");
1046 if (args
->certhostname
) {
1047 migrate_set_parameter_str(from
, "tls-hostname", args
->certhostname
);
1050 qtest_qmp_assert_success(to
,
1051 "{ 'execute': 'object-add',"
1052 " 'arguments': { 'qom-type': 'tls-creds-x509',"
1053 " 'id': 'tlscredsx509server0',"
1054 " 'endpoint': 'server',"
1056 " 'sanity-check': true,"
1057 " 'verify-peer': %i} }",
1058 data
->workdir
, args
->verifyclient
);
1059 migrate_set_parameter_str(to
, "tls-creds", "tlscredsx509server0");
1061 if (args
->authzclient
) {
1062 qtest_qmp_assert_success(to
,
1063 "{ 'execute': 'object-add',"
1064 " 'arguments': { 'qom-type': 'authz-simple',"
1065 " 'id': 'tlsauthz0',"
1066 " 'identity': %s} }",
1067 "CN=" QCRYPTO_TLS_TEST_CLIENT_NAME
);
1068 migrate_set_parameter_str(to
, "tls-authz", "tlsauthz0");
1075 * The normal case: match server's cert hostname against
1076 * whatever host we were telling QEMU to connect to (if any)
1079 test_migrate_tls_x509_start_default_host(QTestState
*from
,
1082 TestMigrateTLSX509 args
= {
1083 .verifyclient
= true,
1085 .certipaddr
= "127.0.0.1"
1087 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1091 * The unusual case: the server's cert is different from
1092 * the address we're telling QEMU to connect to (if any),
1093 * so we must give QEMU an explicit hostname to validate
1096 test_migrate_tls_x509_start_override_host(QTestState
*from
,
1099 TestMigrateTLSX509 args
= {
1100 .verifyclient
= true,
1102 .certhostname
= "qemu.org",
1104 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1108 * The unusual case: the server's cert is different from
1109 * the address we're telling QEMU to connect to, and so we
1110 * expect the client to reject the server
1113 test_migrate_tls_x509_start_mismatch_host(QTestState
*from
,
1116 TestMigrateTLSX509 args
= {
1117 .verifyclient
= true,
1119 .certipaddr
= "10.0.0.1",
1121 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1125 test_migrate_tls_x509_start_friendly_client(QTestState
*from
,
1128 TestMigrateTLSX509 args
= {
1129 .verifyclient
= true,
1131 .authzclient
= true,
1132 .certipaddr
= "127.0.0.1",
1134 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1138 test_migrate_tls_x509_start_hostile_client(QTestState
*from
,
1141 TestMigrateTLSX509 args
= {
1142 .verifyclient
= true,
1144 .hostileclient
= true,
1145 .authzclient
= true,
1146 .certipaddr
= "127.0.0.1",
1148 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1152 * The case with no client certificate presented,
1153 * and no server verification
1156 test_migrate_tls_x509_start_allow_anon_client(QTestState
*from
,
1159 TestMigrateTLSX509 args
= {
1160 .certipaddr
= "127.0.0.1",
1162 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1166 * The case with no client certificate presented,
1167 * and server verification rejecting
1170 test_migrate_tls_x509_start_reject_anon_client(QTestState
*from
,
1173 TestMigrateTLSX509 args
= {
1174 .verifyclient
= true,
1175 .certipaddr
= "127.0.0.1",
1177 return test_migrate_tls_x509_start_common(from
, to
, &args
);
1181 test_migrate_tls_x509_finish(QTestState
*from
,
1185 TestMigrateTLSX509Data
*data
= opaque
;
1187 test_tls_cleanup(data
->keyfile
);
1188 g_free(data
->keyfile
);
1190 unlink(data
->cacert
);
1191 g_free(data
->cacert
);
1192 unlink(data
->servercert
);
1193 g_free(data
->servercert
);
1194 unlink(data
->serverkey
);
1195 g_free(data
->serverkey
);
1197 if (data
->clientcert
) {
1198 unlink(data
->clientcert
);
1199 g_free(data
->clientcert
);
1201 if (data
->clientkey
) {
1202 unlink(data
->clientkey
);
1203 g_free(data
->clientkey
);
1206 rmdir(data
->workdir
);
1207 g_free(data
->workdir
);
1211 #endif /* CONFIG_TASN1 */
1212 #endif /* CONFIG_GNUTLS */
1215 test_migrate_compress_start(QTestState
*from
,
1218 migrate_set_parameter_int(from
, "compress-level", 1);
1219 migrate_set_parameter_int(from
, "compress-threads", 4);
1220 migrate_set_parameter_bool(from
, "compress-wait-thread", true);
1221 migrate_set_parameter_int(to
, "decompress-threads", 4);
1223 migrate_set_capability(from
, "compress", true);
1224 migrate_set_capability(to
, "compress", true);
1230 test_migrate_compress_nowait_start(QTestState
*from
,
1233 migrate_set_parameter_int(from
, "compress-level", 9);
1234 migrate_set_parameter_int(from
, "compress-threads", 1);
1235 migrate_set_parameter_bool(from
, "compress-wait-thread", false);
1236 migrate_set_parameter_int(to
, "decompress-threads", 1);
1238 migrate_set_capability(from
, "compress", true);
1239 migrate_set_capability(to
, "compress", true);
1244 static int migrate_postcopy_prepare(QTestState
**from_ptr
,
1245 QTestState
**to_ptr
,
1246 MigrateCommon
*args
)
1248 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1249 QTestState
*from
, *to
;
1251 if (test_migrate_start(&from
, &to
, uri
, &args
->start
)) {
1255 if (args
->start_hook
) {
1256 args
->postcopy_data
= args
->start_hook(from
, to
);
1259 migrate_set_capability(from
, "postcopy-ram", true);
1260 migrate_set_capability(to
, "postcopy-ram", true);
1261 migrate_set_capability(to
, "postcopy-blocktime", true);
1263 if (args
->postcopy_preempt
) {
1264 migrate_set_capability(from
, "postcopy-preempt", true);
1265 migrate_set_capability(to
, "postcopy-preempt", true);
1268 migrate_ensure_non_converge(from
);
1270 migrate_prepare_for_dirty_mem(from
);
1272 /* Wait for the first serial output from the source */
1273 wait_for_serial("src_serial");
1275 migrate_qmp(from
, uri
, "{}");
1277 migrate_wait_for_dirty_mem(from
, to
);
1285 static void migrate_postcopy_complete(QTestState
*from
, QTestState
*to
,
1286 MigrateCommon
*args
)
1288 wait_for_migration_complete(from
);
1290 /* Make sure we get at least one "B" on destination */
1291 wait_for_serial("dest_serial");
1293 if (uffd_feature_thread_id
) {
1297 if (args
->finish_hook
) {
1298 args
->finish_hook(from
, to
, args
->postcopy_data
);
1299 args
->postcopy_data
= NULL
;
1302 test_migrate_end(from
, to
, true);
1305 static void test_postcopy_common(MigrateCommon
*args
)
1307 QTestState
*from
, *to
;
1309 if (migrate_postcopy_prepare(&from
, &to
, args
)) {
1312 migrate_postcopy_start(from
, to
);
1313 migrate_postcopy_complete(from
, to
, args
);
1316 static void test_postcopy(void)
1318 MigrateCommon args
= { };
1320 test_postcopy_common(&args
);
1323 static void test_postcopy_compress(void)
1325 MigrateCommon args
= {
1326 .start_hook
= test_migrate_compress_start
1329 test_postcopy_common(&args
);
1332 static void test_postcopy_preempt(void)
1334 MigrateCommon args
= {
1335 .postcopy_preempt
= true,
1338 test_postcopy_common(&args
);
1341 #ifdef CONFIG_GNUTLS
1342 static void test_postcopy_tls_psk(void)
1344 MigrateCommon args
= {
1345 .start_hook
= test_migrate_tls_psk_start_match
,
1346 .finish_hook
= test_migrate_tls_psk_finish
,
1349 test_postcopy_common(&args
);
1352 static void test_postcopy_preempt_tls_psk(void)
1354 MigrateCommon args
= {
1355 .postcopy_preempt
= true,
1356 .start_hook
= test_migrate_tls_psk_start_match
,
1357 .finish_hook
= test_migrate_tls_psk_finish
,
1360 test_postcopy_common(&args
);
1364 static void test_postcopy_recovery_common(MigrateCommon
*args
)
1366 QTestState
*from
, *to
;
1367 g_autofree
char *uri
= NULL
;
1369 /* Always hide errors for postcopy recover tests since they're expected */
1370 args
->start
.hide_stderr
= true;
1372 if (migrate_postcopy_prepare(&from
, &to
, args
)) {
1376 /* Turn postcopy speed down, 4K/s is slow enough on any machines */
1377 migrate_set_parameter_int(from
, "max-postcopy-bandwidth", 4096);
1379 /* Now we start the postcopy */
1380 migrate_postcopy_start(from
, to
);
1383 * Wait until postcopy is really started; we can only run the
1384 * migrate-pause command during a postcopy
1386 wait_for_migration_status(from
, "postcopy-active", NULL
);
1389 * Manually stop the postcopy migration. This emulates a network
1390 * failure with the migration socket
1392 migrate_pause(from
);
1395 * Wait for destination side to reach postcopy-paused state. The
1396 * migrate-recover command can only succeed if destination machine
1397 * is in the paused state
1399 wait_for_migration_status(to
, "postcopy-paused",
1400 (const char * []) { "failed", "active",
1401 "completed", NULL
});
1404 * Create a new socket to emulate a new channel that is different
1405 * from the broken migration channel; tell the destination to
1406 * listen to the new port
1408 uri
= g_strdup_printf("unix:%s/migsocket-recover", tmpfs
);
1409 migrate_recover(to
, uri
);
1412 * Try to rebuild the migration channel using the resume flag and
1413 * the newly created channel
1415 wait_for_migration_status(from
, "postcopy-paused",
1416 (const char * []) { "failed", "active",
1417 "completed", NULL
});
1418 migrate_qmp(from
, uri
, "{'resume': true}");
1420 /* Restore the postcopy bandwidth to unlimited */
1421 migrate_set_parameter_int(from
, "max-postcopy-bandwidth", 0);
1423 migrate_postcopy_complete(from
, to
, args
);
1426 static void test_postcopy_recovery(void)
1428 MigrateCommon args
= { };
1430 test_postcopy_recovery_common(&args
);
1433 static void test_postcopy_recovery_compress(void)
1435 MigrateCommon args
= {
1436 .start_hook
= test_migrate_compress_start
1439 test_postcopy_recovery_common(&args
);
1442 #ifdef CONFIG_GNUTLS
1443 static void test_postcopy_recovery_tls_psk(void)
1445 MigrateCommon args
= {
1446 .start_hook
= test_migrate_tls_psk_start_match
,
1447 .finish_hook
= test_migrate_tls_psk_finish
,
1450 test_postcopy_recovery_common(&args
);
1454 static void test_postcopy_preempt_recovery(void)
1456 MigrateCommon args
= {
1457 .postcopy_preempt
= true,
1460 test_postcopy_recovery_common(&args
);
1463 #ifdef CONFIG_GNUTLS
1464 /* This contains preempt+recovery+tls test altogether */
1465 static void test_postcopy_preempt_all(void)
1467 MigrateCommon args
= {
1468 .postcopy_preempt
= true,
1469 .start_hook
= test_migrate_tls_psk_start_match
,
1470 .finish_hook
= test_migrate_tls_psk_finish
,
1473 test_postcopy_recovery_common(&args
);
1478 static void test_baddest(void)
1480 MigrateStart args
= {
1483 QTestState
*from
, *to
;
1485 if (test_migrate_start(&from
, &to
, "tcp:127.0.0.1:0", &args
)) {
1488 migrate_qmp(from
, "tcp:127.0.0.1:0", "{}");
1489 wait_for_migration_fail(from
, false);
1490 test_migrate_end(from
, to
, false);
1493 static void test_precopy_common(MigrateCommon
*args
)
1495 QTestState
*from
, *to
;
1496 void *data_hook
= NULL
;
1498 if (test_migrate_start(&from
, &to
, args
->listen_uri
, &args
->start
)) {
1502 if (args
->start_hook
) {
1503 data_hook
= args
->start_hook(from
, to
);
1506 /* Wait for the first serial output from the source */
1507 if (args
->result
== MIG_TEST_SUCCEED
) {
1508 wait_for_serial("src_serial");
1512 migrate_ensure_non_converge(from
);
1513 migrate_prepare_for_dirty_mem(from
);
1516 * Testing non-live migration, we allow it to run at
1517 * full speed to ensure short test case duration.
1518 * For tests expected to fail, we don't need to
1521 if (args
->result
== MIG_TEST_SUCCEED
) {
1522 qtest_qmp_assert_success(from
, "{ 'execute' : 'stop'}");
1523 if (!got_src_stop
) {
1524 qtest_qmp_eventwait(from
, "STOP");
1526 migrate_ensure_converge(from
);
1530 if (!args
->connect_uri
) {
1531 g_autofree
char *local_connect_uri
=
1532 migrate_get_socket_address(to
, "socket-address");
1533 migrate_qmp(from
, local_connect_uri
, "{}");
1535 migrate_qmp(from
, args
->connect_uri
, "{}");
1539 if (args
->result
!= MIG_TEST_SUCCEED
) {
1540 bool allow_active
= args
->result
== MIG_TEST_FAIL
;
1541 wait_for_migration_fail(from
, allow_active
);
1543 if (args
->result
== MIG_TEST_FAIL_DEST_QUIT_ERR
) {
1544 qtest_set_expected_status(to
, EXIT_FAILURE
);
1549 * For initial iteration(s) we must do a full pass,
1550 * but for the final iteration, we need only wait
1551 * for some dirty mem before switching to converge
1553 while (args
->iterations
> 1) {
1554 wait_for_migration_pass(from
);
1557 migrate_wait_for_dirty_mem(from
, to
);
1559 migrate_ensure_converge(from
);
1562 * We do this first, as it has a timeout to stop us
1563 * hanging forever if migration didn't converge
1565 wait_for_migration_complete(from
);
1567 if (!got_src_stop
) {
1568 qtest_qmp_eventwait(from
, "STOP");
1571 wait_for_migration_complete(from
);
1573 * Must wait for dst to finish reading all incoming
1574 * data on the socket before issuing 'cont' otherwise
1577 wait_for_migration_complete(to
);
1579 qtest_qmp_assert_success(to
, "{ 'execute' : 'cont'}");
1582 if (!got_dst_resume
) {
1583 qtest_qmp_eventwait(to
, "RESUME");
1586 wait_for_serial("dest_serial");
1589 if (args
->finish_hook
) {
1590 args
->finish_hook(from
, to
, data_hook
);
1593 test_migrate_end(from
, to
, args
->result
== MIG_TEST_SUCCEED
);
1596 static void test_precopy_unix_plain(void)
1598 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1599 MigrateCommon args
= {
1603 * The simplest use case of precopy, covering smoke tests of
1604 * get-dirty-log dirty tracking.
1609 test_precopy_common(&args
);
1613 static void test_precopy_unix_dirty_ring(void)
1615 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1616 MigrateCommon args
= {
1618 .use_dirty_ring
= true,
1623 * Besides the precopy/unix basic test, cover dirty ring interface
1624 * rather than get-dirty-log.
1629 test_precopy_common(&args
);
1632 #ifdef CONFIG_GNUTLS
1633 static void test_precopy_unix_tls_psk(void)
1635 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1636 MigrateCommon args
= {
1639 .start_hook
= test_migrate_tls_psk_start_match
,
1640 .finish_hook
= test_migrate_tls_psk_finish
,
1643 test_precopy_common(&args
);
1647 static void test_precopy_unix_tls_x509_default_host(void)
1649 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1650 MigrateCommon args
= {
1652 .hide_stderr
= true,
1656 .start_hook
= test_migrate_tls_x509_start_default_host
,
1657 .finish_hook
= test_migrate_tls_x509_finish
,
1658 .result
= MIG_TEST_FAIL_DEST_QUIT_ERR
,
1661 test_precopy_common(&args
);
1664 static void test_precopy_unix_tls_x509_override_host(void)
1666 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1667 MigrateCommon args
= {
1670 .start_hook
= test_migrate_tls_x509_start_override_host
,
1671 .finish_hook
= test_migrate_tls_x509_finish
,
1674 test_precopy_common(&args
);
1676 #endif /* CONFIG_TASN1 */
1677 #endif /* CONFIG_GNUTLS */
1680 /* Currently upset on aarch64 TCG */
1681 static void test_ignore_shared(void)
1683 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1684 QTestState
*from
, *to
;
1686 if (test_migrate_start(&from
, &to
, uri
, false, true, NULL
, NULL
)) {
1690 migrate_ensure_non_converge(from
);
1691 migrate_prepare_for_dirty_mem(from
);
1693 migrate_set_capability(from
, "x-ignore-shared", true);
1694 migrate_set_capability(to
, "x-ignore-shared", true);
1696 /* Wait for the first serial output from the source */
1697 wait_for_serial("src_serial");
1699 migrate_qmp(from
, uri
, "{}");
1701 migrate_wait_for_dirty_mem(from
, to
);
1703 if (!got_src_stop
) {
1704 qtest_qmp_eventwait(from
, "STOP");
1707 qtest_qmp_eventwait(to
, "RESUME");
1709 wait_for_serial("dest_serial");
1710 wait_for_migration_complete(from
);
1712 /* Check whether shared RAM has been really skipped */
1713 g_assert_cmpint(read_ram_property_int(from
, "transferred"), <, 1024 * 1024);
1715 test_migrate_end(from
, to
, true);
1720 test_migrate_xbzrle_start(QTestState
*from
,
1723 migrate_set_parameter_int(from
, "xbzrle-cache-size", 33554432);
1725 migrate_set_capability(from
, "xbzrle", true);
1726 migrate_set_capability(to
, "xbzrle", true);
1731 static void test_precopy_unix_xbzrle(void)
1733 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1734 MigrateCommon args
= {
1737 .start_hook
= test_migrate_xbzrle_start
,
1740 * XBZRLE needs pages to be modified when doing the 2nd+ round
1741 * iteration to have real data pushed to the stream.
1746 test_precopy_common(&args
);
1749 static void test_precopy_unix_compress(void)
1751 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1752 MigrateCommon args
= {
1755 .start_hook
= test_migrate_compress_start
,
1757 * Test that no invalid thread state is left over from
1758 * the previous iteration.
1762 * We make sure the compressor can always work well even if guest
1763 * memory is changing. See commit 34ab9e9743 where we used to fix
1764 * a bug when only trigger-able with guest memory changing.
1769 test_precopy_common(&args
);
1772 static void test_precopy_unix_compress_nowait(void)
1774 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
1775 MigrateCommon args
= {
1778 .start_hook
= test_migrate_compress_nowait_start
,
1780 * Test that no invalid thread state is left over from
1781 * the previous iteration.
1784 /* Same reason for the wait version of precopy compress test */
1788 test_precopy_common(&args
);
1791 static void test_precopy_tcp_plain(void)
1793 MigrateCommon args
= {
1794 .listen_uri
= "tcp:127.0.0.1:0",
1797 test_precopy_common(&args
);
1800 static void *test_migrate_switchover_ack_start(QTestState
*from
, QTestState
*to
)
1803 migrate_set_capability(from
, "return-path", true);
1804 migrate_set_capability(to
, "return-path", true);
1806 migrate_set_capability(from
, "switchover-ack", true);
1807 migrate_set_capability(to
, "switchover-ack", true);
1812 static void test_precopy_tcp_switchover_ack(void)
1814 MigrateCommon args
= {
1815 .listen_uri
= "tcp:127.0.0.1:0",
1816 .start_hook
= test_migrate_switchover_ack_start
,
1818 * Source VM must be running in order to consider the switchover ACK
1819 * when deciding to do switchover or not.
1824 test_precopy_common(&args
);
1827 #ifdef CONFIG_GNUTLS
1828 static void test_precopy_tcp_tls_psk_match(void)
1830 MigrateCommon args
= {
1831 .listen_uri
= "tcp:127.0.0.1:0",
1832 .start_hook
= test_migrate_tls_psk_start_match
,
1833 .finish_hook
= test_migrate_tls_psk_finish
,
1836 test_precopy_common(&args
);
1839 static void test_precopy_tcp_tls_psk_mismatch(void)
1841 MigrateCommon args
= {
1843 .hide_stderr
= true,
1845 .listen_uri
= "tcp:127.0.0.1:0",
1846 .start_hook
= test_migrate_tls_psk_start_mismatch
,
1847 .finish_hook
= test_migrate_tls_psk_finish
,
1848 .result
= MIG_TEST_FAIL
,
1851 test_precopy_common(&args
);
1855 static void test_precopy_tcp_tls_x509_default_host(void)
1857 MigrateCommon args
= {
1858 .listen_uri
= "tcp:127.0.0.1:0",
1859 .start_hook
= test_migrate_tls_x509_start_default_host
,
1860 .finish_hook
= test_migrate_tls_x509_finish
,
1863 test_precopy_common(&args
);
1866 static void test_precopy_tcp_tls_x509_override_host(void)
1868 MigrateCommon args
= {
1869 .listen_uri
= "tcp:127.0.0.1:0",
1870 .start_hook
= test_migrate_tls_x509_start_override_host
,
1871 .finish_hook
= test_migrate_tls_x509_finish
,
1874 test_precopy_common(&args
);
1877 static void test_precopy_tcp_tls_x509_mismatch_host(void)
1879 MigrateCommon args
= {
1881 .hide_stderr
= true,
1883 .listen_uri
= "tcp:127.0.0.1:0",
1884 .start_hook
= test_migrate_tls_x509_start_mismatch_host
,
1885 .finish_hook
= test_migrate_tls_x509_finish
,
1886 .result
= MIG_TEST_FAIL_DEST_QUIT_ERR
,
1889 test_precopy_common(&args
);
1892 static void test_precopy_tcp_tls_x509_friendly_client(void)
1894 MigrateCommon args
= {
1895 .listen_uri
= "tcp:127.0.0.1:0",
1896 .start_hook
= test_migrate_tls_x509_start_friendly_client
,
1897 .finish_hook
= test_migrate_tls_x509_finish
,
1900 test_precopy_common(&args
);
1903 static void test_precopy_tcp_tls_x509_hostile_client(void)
1905 MigrateCommon args
= {
1907 .hide_stderr
= true,
1909 .listen_uri
= "tcp:127.0.0.1:0",
1910 .start_hook
= test_migrate_tls_x509_start_hostile_client
,
1911 .finish_hook
= test_migrate_tls_x509_finish
,
1912 .result
= MIG_TEST_FAIL
,
1915 test_precopy_common(&args
);
1918 static void test_precopy_tcp_tls_x509_allow_anon_client(void)
1920 MigrateCommon args
= {
1921 .listen_uri
= "tcp:127.0.0.1:0",
1922 .start_hook
= test_migrate_tls_x509_start_allow_anon_client
,
1923 .finish_hook
= test_migrate_tls_x509_finish
,
1926 test_precopy_common(&args
);
1929 static void test_precopy_tcp_tls_x509_reject_anon_client(void)
1931 MigrateCommon args
= {
1933 .hide_stderr
= true,
1935 .listen_uri
= "tcp:127.0.0.1:0",
1936 .start_hook
= test_migrate_tls_x509_start_reject_anon_client
,
1937 .finish_hook
= test_migrate_tls_x509_finish
,
1938 .result
= MIG_TEST_FAIL
,
1941 test_precopy_common(&args
);
1943 #endif /* CONFIG_TASN1 */
1944 #endif /* CONFIG_GNUTLS */
1947 static void *test_migrate_fd_start_hook(QTestState
*from
,
1953 /* Create two connected sockets for migration */
1954 ret
= qemu_socketpair(PF_LOCAL
, SOCK_STREAM
, 0, pair
);
1955 g_assert_cmpint(ret
, ==, 0);
1957 /* Send the 1st socket to the target */
1958 qtest_qmp_fds_assert_success(to
, &pair
[0], 1,
1959 "{ 'execute': 'getfd',"
1960 " 'arguments': { 'fdname': 'fd-mig' }}");
1963 /* Start incoming migration from the 1st socket */
1964 qtest_qmp_assert_success(to
, "{ 'execute': 'migrate-incoming',"
1965 " 'arguments': { 'uri': 'fd:fd-mig' }}");
1967 /* Send the 2nd socket to the target */
1968 qtest_qmp_fds_assert_success(from
, &pair
[1], 1,
1969 "{ 'execute': 'getfd',"
1970 " 'arguments': { 'fdname': 'fd-mig' }}");
1976 static void test_migrate_fd_finish_hook(QTestState
*from
,
1981 const char *error_desc
;
1983 /* Test closing fds */
1984 /* We assume, that QEMU removes named fd from its list,
1985 * so this should fail */
1986 rsp
= qtest_qmp(from
, "{ 'execute': 'closefd',"
1987 " 'arguments': { 'fdname': 'fd-mig' }}");
1988 g_assert_true(qdict_haskey(rsp
, "error"));
1989 error_desc
= qdict_get_str(qdict_get_qdict(rsp
, "error"), "desc");
1990 g_assert_cmpstr(error_desc
, ==, "File descriptor named 'fd-mig' not found");
1993 rsp
= qtest_qmp(to
, "{ 'execute': 'closefd',"
1994 " 'arguments': { 'fdname': 'fd-mig' }}");
1995 g_assert_true(qdict_haskey(rsp
, "error"));
1996 error_desc
= qdict_get_str(qdict_get_qdict(rsp
, "error"), "desc");
1997 g_assert_cmpstr(error_desc
, ==, "File descriptor named 'fd-mig' not found");
2001 static void test_migrate_fd_proto(void)
2003 MigrateCommon args
= {
2004 .listen_uri
= "defer",
2005 .connect_uri
= "fd:fd-mig",
2006 .start_hook
= test_migrate_fd_start_hook
,
2007 .finish_hook
= test_migrate_fd_finish_hook
2009 test_precopy_common(&args
);
2013 static void do_test_validate_uuid(MigrateStart
*args
, bool should_fail
)
2015 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
2016 QTestState
*from
, *to
;
2018 if (test_migrate_start(&from
, &to
, uri
, args
)) {
2023 * UUID validation is at the begin of migration. So, the main process of
2024 * migration is not interesting for us here. Thus, set huge downtime for
2025 * very fast migration.
2027 migrate_set_parameter_int(from
, "downtime-limit", 1000000);
2028 migrate_set_capability(from
, "validate-uuid", true);
2030 /* Wait for the first serial output from the source */
2031 wait_for_serial("src_serial");
2033 migrate_qmp(from
, uri
, "{}");
2036 qtest_set_expected_status(to
, EXIT_FAILURE
);
2037 wait_for_migration_fail(from
, true);
2039 wait_for_migration_complete(from
);
2042 test_migrate_end(from
, to
, false);
2045 static void test_validate_uuid(void)
2047 MigrateStart args
= {
2048 .opts_source
= "-uuid 11111111-1111-1111-1111-111111111111",
2049 .opts_target
= "-uuid 11111111-1111-1111-1111-111111111111",
2052 do_test_validate_uuid(&args
, false);
2055 static void test_validate_uuid_error(void)
2057 MigrateStart args
= {
2058 .opts_source
= "-uuid 11111111-1111-1111-1111-111111111111",
2059 .opts_target
= "-uuid 22222222-2222-2222-2222-222222222222",
2060 .hide_stderr
= true,
2063 do_test_validate_uuid(&args
, true);
2066 static void test_validate_uuid_src_not_set(void)
2068 MigrateStart args
= {
2069 .opts_target
= "-uuid 22222222-2222-2222-2222-222222222222",
2070 .hide_stderr
= true,
2073 do_test_validate_uuid(&args
, false);
2076 static void test_validate_uuid_dst_not_set(void)
2078 MigrateStart args
= {
2079 .opts_source
= "-uuid 11111111-1111-1111-1111-111111111111",
2080 .hide_stderr
= true,
2083 do_test_validate_uuid(&args
, false);
2087 * The way auto_converge works, we need to do too many passes to
2088 * run this test. Auto_converge logic is only run once every
2089 * three iterations, so:
2091 * - 3 iterations without auto_converge enabled
2092 * - 3 iterations with pct = 5
2093 * - 3 iterations with pct = 30
2094 * - 3 iterations with pct = 55
2095 * - 3 iterations with pct = 80
2096 * - 3 iterations with pct = 95 (max(95, 80 + 25))
2098 * To make things even worse, we need to run the initial stage at
2099 * 3MB/s so we enter autoconverge even when host is (over)loaded.
2101 static void test_migrate_auto_converge(void)
2103 g_autofree
char *uri
= g_strdup_printf("unix:%s/migsocket", tmpfs
);
2104 MigrateStart args
= {};
2105 QTestState
*from
, *to
;
2109 * We want the test to be stable and as fast as possible.
2110 * E.g., with 1Gb/s bandwith migration may pass without throttling,
2111 * so we need to decrease a bandwidth.
2113 const int64_t init_pct
= 5, inc_pct
= 25, max_pct
= 95;
2115 if (test_migrate_start(&from
, &to
, uri
, &args
)) {
2119 migrate_set_capability(from
, "auto-converge", true);
2120 migrate_set_parameter_int(from
, "cpu-throttle-initial", init_pct
);
2121 migrate_set_parameter_int(from
, "cpu-throttle-increment", inc_pct
);
2122 migrate_set_parameter_int(from
, "max-cpu-throttle", max_pct
);
2125 * Set the initial parameters so that the migration could not converge
2126 * without throttling.
2128 migrate_ensure_non_converge(from
);
2130 /* To check remaining size after precopy */
2131 migrate_set_capability(from
, "pause-before-switchover", true);
2133 /* Wait for the first serial output from the source */
2134 wait_for_serial("src_serial");
2136 migrate_qmp(from
, uri
, "{}");
2138 /* Wait for throttling begins */
2141 percentage
= read_migrate_property_int(from
, "cpu-throttle-percentage");
2142 if (percentage
!= 0) {
2146 g_assert_false(got_src_stop
);
2148 /* The first percentage of throttling should be at least init_pct */
2149 g_assert_cmpint(percentage
, >=, init_pct
);
2150 /* Now, when we tested that throttling works, let it converge */
2151 migrate_ensure_converge(from
);
2154 * Wait for pre-switchover status to check last throttle percentage
2155 * and remaining. These values will be zeroed later
2157 wait_for_migration_status(from
, "pre-switchover", NULL
);
2159 /* The final percentage of throttling shouldn't be greater than max_pct */
2160 percentage
= read_migrate_property_int(from
, "cpu-throttle-percentage");
2161 g_assert_cmpint(percentage
, <=, max_pct
);
2162 migrate_continue(from
, "pre-switchover");
2164 qtest_qmp_eventwait(to
, "RESUME");
2166 wait_for_serial("dest_serial");
2167 wait_for_migration_complete(from
);
2169 test_migrate_end(from
, to
, true);
2173 test_migrate_precopy_tcp_multifd_start_common(QTestState
*from
,
2177 migrate_set_parameter_int(from
, "multifd-channels", 16);
2178 migrate_set_parameter_int(to
, "multifd-channels", 16);
2180 migrate_set_parameter_str(from
, "multifd-compression", method
);
2181 migrate_set_parameter_str(to
, "multifd-compression", method
);
2183 migrate_set_capability(from
, "multifd", true);
2184 migrate_set_capability(to
, "multifd", true);
2186 /* Start incoming migration from the 1st socket */
2187 qtest_qmp_assert_success(to
, "{ 'execute': 'migrate-incoming',"
2188 " 'arguments': { 'uri': 'tcp:127.0.0.1:0' }}");
2194 test_migrate_precopy_tcp_multifd_start(QTestState
*from
,
2197 return test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2201 test_migrate_precopy_tcp_multifd_zlib_start(QTestState
*from
,
2204 return test_migrate_precopy_tcp_multifd_start_common(from
, to
, "zlib");
2209 test_migrate_precopy_tcp_multifd_zstd_start(QTestState
*from
,
2212 return test_migrate_precopy_tcp_multifd_start_common(from
, to
, "zstd");
2214 #endif /* CONFIG_ZSTD */
2216 static void test_multifd_tcp_none(void)
2218 MigrateCommon args
= {
2219 .listen_uri
= "defer",
2220 .start_hook
= test_migrate_precopy_tcp_multifd_start
,
2222 * Multifd is more complicated than most of the features, it
2223 * directly takes guest page buffers when sending, make sure
2224 * everything will work alright even if guest page is changing.
2228 test_precopy_common(&args
);
2231 static void test_multifd_tcp_zlib(void)
2233 MigrateCommon args
= {
2234 .listen_uri
= "defer",
2235 .start_hook
= test_migrate_precopy_tcp_multifd_zlib_start
,
2237 test_precopy_common(&args
);
2241 static void test_multifd_tcp_zstd(void)
2243 MigrateCommon args
= {
2244 .listen_uri
= "defer",
2245 .start_hook
= test_migrate_precopy_tcp_multifd_zstd_start
,
2247 test_precopy_common(&args
);
2251 #ifdef CONFIG_GNUTLS
2253 test_migrate_multifd_tcp_tls_psk_start_match(QTestState
*from
,
2256 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2257 return test_migrate_tls_psk_start_match(from
, to
);
2261 test_migrate_multifd_tcp_tls_psk_start_mismatch(QTestState
*from
,
2264 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2265 return test_migrate_tls_psk_start_mismatch(from
, to
);
2270 test_migrate_multifd_tls_x509_start_default_host(QTestState
*from
,
2273 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2274 return test_migrate_tls_x509_start_default_host(from
, to
);
2278 test_migrate_multifd_tls_x509_start_override_host(QTestState
*from
,
2281 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2282 return test_migrate_tls_x509_start_override_host(from
, to
);
2286 test_migrate_multifd_tls_x509_start_mismatch_host(QTestState
*from
,
2289 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2290 return test_migrate_tls_x509_start_mismatch_host(from
, to
);
2294 test_migrate_multifd_tls_x509_start_allow_anon_client(QTestState
*from
,
2297 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2298 return test_migrate_tls_x509_start_allow_anon_client(from
, to
);
2302 test_migrate_multifd_tls_x509_start_reject_anon_client(QTestState
*from
,
2305 test_migrate_precopy_tcp_multifd_start_common(from
, to
, "none");
2306 return test_migrate_tls_x509_start_reject_anon_client(from
, to
);
2308 #endif /* CONFIG_TASN1 */
2310 static void test_multifd_tcp_tls_psk_match(void)
2312 MigrateCommon args
= {
2313 .listen_uri
= "defer",
2314 .start_hook
= test_migrate_multifd_tcp_tls_psk_start_match
,
2315 .finish_hook
= test_migrate_tls_psk_finish
,
2317 test_precopy_common(&args
);
2320 static void test_multifd_tcp_tls_psk_mismatch(void)
2322 MigrateCommon args
= {
2324 .hide_stderr
= true,
2326 .listen_uri
= "defer",
2327 .start_hook
= test_migrate_multifd_tcp_tls_psk_start_mismatch
,
2328 .finish_hook
= test_migrate_tls_psk_finish
,
2329 .result
= MIG_TEST_FAIL
,
2331 test_precopy_common(&args
);
2335 static void test_multifd_tcp_tls_x509_default_host(void)
2337 MigrateCommon args
= {
2338 .listen_uri
= "defer",
2339 .start_hook
= test_migrate_multifd_tls_x509_start_default_host
,
2340 .finish_hook
= test_migrate_tls_x509_finish
,
2342 test_precopy_common(&args
);
2345 static void test_multifd_tcp_tls_x509_override_host(void)
2347 MigrateCommon args
= {
2348 .listen_uri
= "defer",
2349 .start_hook
= test_migrate_multifd_tls_x509_start_override_host
,
2350 .finish_hook
= test_migrate_tls_x509_finish
,
2352 test_precopy_common(&args
);
2355 static void test_multifd_tcp_tls_x509_mismatch_host(void)
2358 * This has different behaviour to the non-multifd case.
2360 * In non-multifd case when client aborts due to mismatched
2361 * cert host, the server has already started trying to load
2362 * migration state, and so it exits with I/O failure.
2364 * In multifd case when client aborts due to mismatched
2365 * cert host, the server is still waiting for the other
2366 * multifd connections to arrive so hasn't started trying
2367 * to load migration state, and thus just aborts the migration
2370 MigrateCommon args
= {
2372 .hide_stderr
= true,
2374 .listen_uri
= "defer",
2375 .start_hook
= test_migrate_multifd_tls_x509_start_mismatch_host
,
2376 .finish_hook
= test_migrate_tls_x509_finish
,
2377 .result
= MIG_TEST_FAIL
,
2379 test_precopy_common(&args
);
2382 static void test_multifd_tcp_tls_x509_allow_anon_client(void)
2384 MigrateCommon args
= {
2385 .listen_uri
= "defer",
2386 .start_hook
= test_migrate_multifd_tls_x509_start_allow_anon_client
,
2387 .finish_hook
= test_migrate_tls_x509_finish
,
2389 test_precopy_common(&args
);
2392 static void test_multifd_tcp_tls_x509_reject_anon_client(void)
2394 MigrateCommon args
= {
2396 .hide_stderr
= true,
2398 .listen_uri
= "defer",
2399 .start_hook
= test_migrate_multifd_tls_x509_start_reject_anon_client
,
2400 .finish_hook
= test_migrate_tls_x509_finish
,
2401 .result
= MIG_TEST_FAIL
,
2403 test_precopy_common(&args
);
2405 #endif /* CONFIG_TASN1 */
2406 #endif /* CONFIG_GNUTLS */
2414 * launch another target
2417 * And see that it works
2419 static void test_multifd_tcp_cancel(void)
2421 MigrateStart args
= {
2422 .hide_stderr
= true,
2424 QTestState
*from
, *to
, *to2
;
2425 g_autofree
char *uri
= NULL
;
2427 if (test_migrate_start(&from
, &to
, "defer", &args
)) {
2431 migrate_ensure_non_converge(from
);
2432 migrate_prepare_for_dirty_mem(from
);
2434 migrate_set_parameter_int(from
, "multifd-channels", 16);
2435 migrate_set_parameter_int(to
, "multifd-channels", 16);
2437 migrate_set_capability(from
, "multifd", true);
2438 migrate_set_capability(to
, "multifd", true);
2440 /* Start incoming migration from the 1st socket */
2441 qtest_qmp_assert_success(to
, "{ 'execute': 'migrate-incoming',"
2442 " 'arguments': { 'uri': 'tcp:127.0.0.1:0' }}");
2444 /* Wait for the first serial output from the source */
2445 wait_for_serial("src_serial");
2447 uri
= migrate_get_socket_address(to
, "socket-address");
2449 migrate_qmp(from
, uri
, "{}");
2451 migrate_wait_for_dirty_mem(from
, to
);
2453 migrate_cancel(from
);
2455 /* Make sure QEMU process "to" exited */
2456 qtest_set_expected_status(to
, EXIT_FAILURE
);
2457 qtest_wait_qemu(to
);
2459 args
= (MigrateStart
){
2460 .only_target
= true,
2463 if (test_migrate_start(&from
, &to2
, "defer", &args
)) {
2467 migrate_set_parameter_int(to2
, "multifd-channels", 16);
2469 migrate_set_capability(to2
, "multifd", true);
2471 /* Start incoming migration from the 1st socket */
2472 qtest_qmp_assert_success(to2
, "{ 'execute': 'migrate-incoming',"
2473 " 'arguments': { 'uri': 'tcp:127.0.0.1:0' }}");
2476 uri
= migrate_get_socket_address(to2
, "socket-address");
2478 wait_for_migration_status(from
, "cancelled", NULL
);
2480 migrate_ensure_non_converge(from
);
2482 migrate_qmp(from
, uri
, "{}");
2484 migrate_wait_for_dirty_mem(from
, to
);
2486 migrate_ensure_converge(from
);
2488 if (!got_src_stop
) {
2489 qtest_qmp_eventwait(from
, "STOP");
2491 qtest_qmp_eventwait(to2
, "RESUME");
2493 wait_for_serial("dest_serial");
2494 wait_for_migration_complete(from
);
2495 test_migrate_end(from
, to2
, true);
2498 static void calc_dirty_rate(QTestState
*who
, uint64_t calc_time
)
2500 qtest_qmp_assert_success(who
,
2501 "{ 'execute': 'calc-dirty-rate',"
2503 "'calc-time': %" PRIu64
","
2504 "'mode': 'dirty-ring' }}",
2508 static QDict
*query_dirty_rate(QTestState
*who
)
2510 return qtest_qmp_assert_success_ref(who
,
2511 "{ 'execute': 'query-dirty-rate' }");
2514 static void dirtylimit_set_all(QTestState
*who
, uint64_t dirtyrate
)
2516 qtest_qmp_assert_success(who
,
2517 "{ 'execute': 'set-vcpu-dirty-limit',"
2519 "'dirty-rate': %" PRIu64
" } }",
2523 static void cancel_vcpu_dirty_limit(QTestState
*who
)
2525 qtest_qmp_assert_success(who
,
2526 "{ 'execute': 'cancel-vcpu-dirty-limit' }");
2529 static QDict
*query_vcpu_dirty_limit(QTestState
*who
)
2533 rsp
= qtest_qmp(who
, "{ 'execute': 'query-vcpu-dirty-limit' }");
2534 g_assert(!qdict_haskey(rsp
, "error"));
2535 g_assert(qdict_haskey(rsp
, "return"));
2540 static bool calc_dirtyrate_ready(QTestState
*who
)
2545 rsp_return
= query_dirty_rate(who
);
2546 g_assert(rsp_return
);
2548 status
= g_strdup(qdict_get_str(rsp_return
, "status"));
2551 return g_strcmp0(status
, "measuring");
2554 static void wait_for_calc_dirtyrate_complete(QTestState
*who
,
2557 int max_try_count
= 10000;
2558 usleep(time_s
* 1000000);
2560 while (!calc_dirtyrate_ready(who
) && max_try_count
--) {
2565 * Set the timeout with 10 s(max_try_count * 1000us),
2566 * if dirtyrate measurement not complete, fail test.
2568 g_assert_cmpint(max_try_count
, !=, 0);
2571 static int64_t get_dirty_rate(QTestState
*who
)
2576 const QListEntry
*entry
;
2580 rsp_return
= query_dirty_rate(who
);
2581 g_assert(rsp_return
);
2583 status
= g_strdup(qdict_get_str(rsp_return
, "status"));
2585 g_assert_cmpstr(status
, ==, "measured");
2587 rates
= qdict_get_qlist(rsp_return
, "vcpu-dirty-rate");
2588 g_assert(rates
&& !qlist_empty(rates
));
2590 entry
= qlist_first(rates
);
2593 rate
= qobject_to(QDict
, qlist_entry_obj(entry
));
2596 dirtyrate
= qdict_get_try_int(rate
, "dirty-rate", -1);
2598 qobject_unref(rsp_return
);
2602 static int64_t get_limit_rate(QTestState
*who
)
2606 const QListEntry
*entry
;
2610 rsp_return
= query_vcpu_dirty_limit(who
);
2611 g_assert(rsp_return
);
2613 rates
= qdict_get_qlist(rsp_return
, "return");
2614 g_assert(rates
&& !qlist_empty(rates
));
2616 entry
= qlist_first(rates
);
2619 rate
= qobject_to(QDict
, qlist_entry_obj(entry
));
2622 dirtyrate
= qdict_get_try_int(rate
, "limit-rate", -1);
2624 qobject_unref(rsp_return
);
2628 static QTestState
*dirtylimit_start_vm(void)
2630 QTestState
*vm
= NULL
;
2631 g_autofree gchar
*cmd
= NULL
;
2632 const char *arch
= qtest_get_arch();
2633 g_autofree
char *bootpath
= NULL
;
2635 assert((strcmp(arch
, "x86_64") == 0));
2636 bootpath
= g_strdup_printf("%s/bootsect", tmpfs
);
2637 assert(sizeof(x86_bootsect
) == 512);
2638 init_bootfile(bootpath
, x86_bootsect
, sizeof(x86_bootsect
));
2640 cmd
= g_strdup_printf("-accel kvm,dirty-ring-size=4096 "
2641 "-name dirtylimit-test,debug-threads=on "
2643 "-serial file:%s/vm_serial "
2644 "-drive file=%s,format=raw ",
2647 vm
= qtest_init(cmd
);
2651 static void dirtylimit_stop_vm(QTestState
*vm
)
2654 cleanup("bootsect");
2655 cleanup("vm_serial");
2658 static void test_vcpu_dirty_limit(void)
2661 int64_t origin_rate
;
2664 int max_try_count
= 20;
2667 /* Start vm for vcpu dirtylimit test */
2668 vm
= dirtylimit_start_vm();
2670 /* Wait for the first serial output from the vm*/
2671 wait_for_serial("vm_serial");
2673 /* Do dirtyrate measurement with calc time equals 1s */
2674 calc_dirty_rate(vm
, 1);
2676 /* Sleep calc time and wait for calc dirtyrate complete */
2677 wait_for_calc_dirtyrate_complete(vm
, 1);
2679 /* Query original dirty page rate */
2680 origin_rate
= get_dirty_rate(vm
);
2682 /* VM booted from bootsect should dirty memory steadily */
2683 assert(origin_rate
!= 0);
2685 /* Setup quota dirty page rate at half of origin */
2686 quota_rate
= origin_rate
/ 2;
2688 /* Set dirtylimit */
2689 dirtylimit_set_all(vm
, quota_rate
);
2692 * Check if set-vcpu-dirty-limit and query-vcpu-dirty-limit
2695 g_assert_cmpint(quota_rate
, ==, get_limit_rate(vm
));
2697 /* Sleep a bit to check if it take effect */
2701 * Check if dirtylimit take effect realistically, set the
2702 * timeout with 20 s(max_try_count * 1s), if dirtylimit
2703 * doesn't take effect, fail test.
2705 while (--max_try_count
) {
2706 calc_dirty_rate(vm
, 1);
2707 wait_for_calc_dirtyrate_complete(vm
, 1);
2708 rate
= get_dirty_rate(vm
);
2711 * Assume hitting if current rate is less
2712 * than quota rate (within accepting error)
2714 if (rate
< (quota_rate
+ DIRTYLIMIT_TOLERANCE_RANGE
)) {
2720 g_assert_cmpint(hit
, ==, 1);
2725 /* Check if dirtylimit cancellation take effect */
2726 cancel_vcpu_dirty_limit(vm
);
2727 while (--max_try_count
) {
2728 calc_dirty_rate(vm
, 1);
2729 wait_for_calc_dirtyrate_complete(vm
, 1);
2730 rate
= get_dirty_rate(vm
);
2733 * Assume dirtylimit be canceled if current rate is
2734 * greater than quota rate (within accepting error)
2736 if (rate
> (quota_rate
+ DIRTYLIMIT_TOLERANCE_RANGE
)) {
2742 g_assert_cmpint(hit
, ==, 1);
2743 dirtylimit_stop_vm(vm
);
2746 static bool kvm_dirty_ring_supported(void)
2748 #if defined(__linux__) && defined(HOST_X86_64)
2749 int ret
, kvm_fd
= open("/dev/kvm", O_RDONLY
);
2755 ret
= ioctl(kvm_fd
, KVM_CHECK_EXTENSION
, KVM_CAP_DIRTY_LOG_RING
);
2758 /* We test with 4096 slots */
2769 int main(int argc
, char **argv
)
2771 bool has_kvm
, has_tcg
;
2774 g_autoptr(GError
) err
= NULL
;
2777 g_test_init(&argc
, &argv
, NULL
);
2779 has_kvm
= qtest_has_accel("kvm");
2780 has_tcg
= qtest_has_accel("tcg");
2782 if (!has_tcg
&& !has_kvm
) {
2783 g_test_skip("No KVM or TCG accelerator available");
2787 has_uffd
= ufd_version_check();
2788 arch
= qtest_get_arch();
2791 * On ppc64, the test only works with kvm-hv, but not with kvm-pr and TCG
2792 * is touchy due to race conditions on dirty bits (especially on PPC for
2795 if (g_str_equal(arch
, "ppc64") &&
2796 (!has_kvm
|| access("/sys/module/kvm_hv", F_OK
))) {
2797 g_test_message("Skipping test: kvm_hv not available");
2798 return g_test_run();
2802 * Similar to ppc64, s390x seems to be touchy with TCG, so disable it
2803 * there until the problems are resolved
2805 if (g_str_equal(arch
, "s390x") && !has_kvm
) {
2806 g_test_message("Skipping test: s390x host with KVM is required");
2807 return g_test_run();
2810 tmpfs
= g_dir_make_tmp("migration-test-XXXXXX", &err
);
2812 g_test_message("Can't create temporary directory in %s: %s",
2813 g_get_tmp_dir(), err
->message
);
2817 module_call_init(MODULE_INIT_QOM
);
2820 qtest_add_func("/migration/postcopy/plain", test_postcopy
);
2821 qtest_add_func("/migration/postcopy/recovery/plain",
2822 test_postcopy_recovery
);
2823 qtest_add_func("/migration/postcopy/preempt/plain", test_postcopy_preempt
);
2824 qtest_add_func("/migration/postcopy/preempt/recovery/plain",
2825 test_postcopy_preempt_recovery
);
2826 if (getenv("QEMU_TEST_FLAKY_TESTS")) {
2827 qtest_add_func("/migration/postcopy/compress/plain",
2828 test_postcopy_compress
);
2829 qtest_add_func("/migration/postcopy/recovery/compress/plain",
2830 test_postcopy_recovery_compress
);
2834 qtest_add_func("/migration/bad_dest", test_baddest
);
2835 qtest_add_func("/migration/precopy/unix/plain", test_precopy_unix_plain
);
2836 qtest_add_func("/migration/precopy/unix/xbzrle", test_precopy_unix_xbzrle
);
2838 * Compression fails from time to time.
2839 * Put test here but don't enable it until everything is fixed.
2841 if (getenv("QEMU_TEST_FLAKY_TESTS")) {
2842 qtest_add_func("/migration/precopy/unix/compress/wait",
2843 test_precopy_unix_compress
);
2844 qtest_add_func("/migration/precopy/unix/compress/nowait",
2845 test_precopy_unix_compress_nowait
);
2847 #ifdef CONFIG_GNUTLS
2848 qtest_add_func("/migration/precopy/unix/tls/psk",
2849 test_precopy_unix_tls_psk
);
2853 * NOTE: psk test is enough for postcopy, as other types of TLS
2854 * channels are tested under precopy. Here what we want to test is the
2855 * general postcopy path that has TLS channel enabled.
2857 qtest_add_func("/migration/postcopy/tls/psk", test_postcopy_tls_psk
);
2858 qtest_add_func("/migration/postcopy/recovery/tls/psk",
2859 test_postcopy_recovery_tls_psk
);
2860 qtest_add_func("/migration/postcopy/preempt/tls/psk",
2861 test_postcopy_preempt_tls_psk
);
2862 qtest_add_func("/migration/postcopy/preempt/recovery/tls/psk",
2863 test_postcopy_preempt_all
);
2866 qtest_add_func("/migration/precopy/unix/tls/x509/default-host",
2867 test_precopy_unix_tls_x509_default_host
);
2868 qtest_add_func("/migration/precopy/unix/tls/x509/override-host",
2869 test_precopy_unix_tls_x509_override_host
);
2870 #endif /* CONFIG_TASN1 */
2871 #endif /* CONFIG_GNUTLS */
2873 qtest_add_func("/migration/precopy/tcp/plain", test_precopy_tcp_plain
);
2875 qtest_add_func("/migration/precopy/tcp/plain/switchover-ack",
2876 test_precopy_tcp_switchover_ack
);
2878 #ifdef CONFIG_GNUTLS
2879 qtest_add_func("/migration/precopy/tcp/tls/psk/match",
2880 test_precopy_tcp_tls_psk_match
);
2881 qtest_add_func("/migration/precopy/tcp/tls/psk/mismatch",
2882 test_precopy_tcp_tls_psk_mismatch
);
2884 qtest_add_func("/migration/precopy/tcp/tls/x509/default-host",
2885 test_precopy_tcp_tls_x509_default_host
);
2886 qtest_add_func("/migration/precopy/tcp/tls/x509/override-host",
2887 test_precopy_tcp_tls_x509_override_host
);
2888 qtest_add_func("/migration/precopy/tcp/tls/x509/mismatch-host",
2889 test_precopy_tcp_tls_x509_mismatch_host
);
2890 qtest_add_func("/migration/precopy/tcp/tls/x509/friendly-client",
2891 test_precopy_tcp_tls_x509_friendly_client
);
2892 qtest_add_func("/migration/precopy/tcp/tls/x509/hostile-client",
2893 test_precopy_tcp_tls_x509_hostile_client
);
2894 qtest_add_func("/migration/precopy/tcp/tls/x509/allow-anon-client",
2895 test_precopy_tcp_tls_x509_allow_anon_client
);
2896 qtest_add_func("/migration/precopy/tcp/tls/x509/reject-anon-client",
2897 test_precopy_tcp_tls_x509_reject_anon_client
);
2898 #endif /* CONFIG_TASN1 */
2899 #endif /* CONFIG_GNUTLS */
2901 /* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */
2903 qtest_add_func("/migration/fd_proto", test_migrate_fd_proto
);
2905 qtest_add_func("/migration/validate_uuid", test_validate_uuid
);
2906 qtest_add_func("/migration/validate_uuid_error", test_validate_uuid_error
);
2907 qtest_add_func("/migration/validate_uuid_src_not_set",
2908 test_validate_uuid_src_not_set
);
2909 qtest_add_func("/migration/validate_uuid_dst_not_set",
2910 test_validate_uuid_dst_not_set
);
2912 * See explanation why this test is slow on function definition
2914 if (g_test_slow()) {
2915 qtest_add_func("/migration/auto_converge", test_migrate_auto_converge
);
2917 qtest_add_func("/migration/multifd/tcp/plain/none",
2918 test_multifd_tcp_none
);
2920 * This test is flaky and sometimes fails in CI and otherwise:
2921 * don't run unless user opts in via environment variable.
2923 if (getenv("QEMU_TEST_FLAKY_TESTS")) {
2924 qtest_add_func("/migration/multifd/tcp/plain/cancel",
2925 test_multifd_tcp_cancel
);
2927 qtest_add_func("/migration/multifd/tcp/plain/zlib",
2928 test_multifd_tcp_zlib
);
2930 qtest_add_func("/migration/multifd/tcp/plain/zstd",
2931 test_multifd_tcp_zstd
);
2933 #ifdef CONFIG_GNUTLS
2934 qtest_add_func("/migration/multifd/tcp/tls/psk/match",
2935 test_multifd_tcp_tls_psk_match
);
2936 qtest_add_func("/migration/multifd/tcp/tls/psk/mismatch",
2937 test_multifd_tcp_tls_psk_mismatch
);
2939 qtest_add_func("/migration/multifd/tcp/tls/x509/default-host",
2940 test_multifd_tcp_tls_x509_default_host
);
2941 qtest_add_func("/migration/multifd/tcp/tls/x509/override-host",
2942 test_multifd_tcp_tls_x509_override_host
);
2943 qtest_add_func("/migration/multifd/tcp/tls/x509/mismatch-host",
2944 test_multifd_tcp_tls_x509_mismatch_host
);
2945 qtest_add_func("/migration/multifd/tcp/tls/x509/allow-anon-client",
2946 test_multifd_tcp_tls_x509_allow_anon_client
);
2947 qtest_add_func("/migration/multifd/tcp/tls/x509/reject-anon-client",
2948 test_multifd_tcp_tls_x509_reject_anon_client
);
2949 #endif /* CONFIG_TASN1 */
2950 #endif /* CONFIG_GNUTLS */
2952 if (g_str_equal(arch
, "x86_64") && has_kvm
&& kvm_dirty_ring_supported()) {
2953 qtest_add_func("/migration/dirty_ring",
2954 test_precopy_unix_dirty_ring
);
2955 qtest_add_func("/migration/vcpu_dirty_limit",
2956 test_vcpu_dirty_limit
);
2961 g_assert_cmpint(ret
, ==, 0);
2965 g_test_message("unable to rmdir: path (%s): %s",
2966 tmpfs
, strerror(errno
));