The xbzrel and vcpu_dirty_limit are the two slowest tests from
migration-test. Move them under g_test_slow() to save about 40s per
run.
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240911145204.17692-1-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
The test_vcpu_dirty_limit is the only test that does not check for the
availability of the machine before starting the test, so it fails when
QEMU has been configured with --without-default-devices. Add a check for
the "pc" machine type to fix it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
In test_multifd_tcp_cancel() we create three QEMU processes: 'from',
'to' and 'to2'. We clean up (via qtest_quit()) 'from' and 'to2' when
we call test_migrate_end(), but never clean up 'to', which results in
this leak:
Direct leak of 336 byte(s) in 1 object(s) allocated from:
#0 0x55e984fcd328 in __interceptor_calloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f328) (BuildId: 710d409b68bb04427009e9ca6e1b63ff8af785d3)
#1 0x7f0878b39c50 in g_malloc0 debian/build/deb/../../../glib/gmem.c:161:13
#2 0x55e98503a172 in qtest_spawn_qemu tests/qtest/libqtest.c:397:21
#3 0x55e98502bc4a in qtest_init_internal tests/qtest/libqtest.c:471:9
#4 0x55e98502c5b7 in qtest_init_with_env tests/qtest/libqtest.c:533:21
#5 0x55e9850eef0f in test_migrate_start tests/qtest/migration-test.c:857:11
#6 0x55e9850eb01d in test_multifd_tcp_cancel tests/qtest/migration-test.c:3297:9
#7 0x55e985103407 in migration_test_wrapper tests/qtest/migration-helpers.c:456:5
Call qtest_quit() on 'to' to clean it up once it has exited.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
We g_strdup() the "status" string we get out of the qdict in
get_dirty_rate(), but we never free it. Since we only use this
string while the dictionary is still valid, we don't need to strdup
at all; drop the unnecessary call to avoid this leak:
Direct leak of 18 byte(s) in 2 object(s) allocated from:
#0 0x564b3e01913e in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f13e) (BuildId: d6403a811332fcc846f93c45e23abfd06d1e67c4)
#1 0x7f2f278ff738 in g_malloc debian/build/deb/../../../glib/gmem.c:128:13
#2 0x7f2f27914583 in g_strdup debian/build/deb/../../../glib/gstrfuncs.c:361:17
#3 0x564b3e14bb5b in get_dirty_rate tests/qtest/migration-test.c:3447:14
#4 0x564b3e138e00 in test_vcpu_dirty_limit tests/qtest/migration-test.c:3565:16
#5 0x564b3e14f417 in migration_test_wrapper tests/qtest/migration-helpers.c:456:5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
In the migration test we create several TLS certificates with
the TLS_* macros from crypto-tls-x509-helpers.h. These macros
create both a QCryptoTLSCertReq object which must be deinitialized
and also an on-disk certificate file. The migration test currently
removes the on-disk file in test_migrate_tls_x509_finish() but
never deinitializes the QCryptoTLSCertReq, which means that memory
allocated as part of it is leaked:
Indirect leak of 2 byte(s) in 1 object(s) allocated from:
#0 0x5558ba33712e in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f12e) (BuildId: 4c8618f663e538538cad19d35233124cea161491)
#1 0x7f64afc131f4 (/lib/x86_64-linux-gnu/libtasn1.so.6+0x81f4) (BuildId: 2fde6ecb43c586fe4077118f771077aa1298e7ea)
#2 0x7f64afc18d58 in asn1_write_value (/lib/x86_64-linux-gnu/libtasn1.so.6+0xdd58) (BuildId: 2fde6ecb43c586fe4077118f771077aa1298e7ea)
#3 0x7f64af8fc678 in gnutls_x509_crt_set_version (/lib/x86_64-linux-gnu/libgnutls.so.30+0xe7678) (BuildId: 97b8f99f392f1fd37b969a7164bcea884e23649b)
#4 0x5558ba470035 in test_tls_generate_cert tests/unit/crypto-tls-x509-helpers.c:234:5
#5 0x5558ba464e4a in test_migrate_tls_x509_start_common tests/qtest/migration-test.c:1058:5
#6 0x5558ba462c8a in test_migrate_tls_x509_start_default_host tests/qtest/migration-test.c:1123:12
#7 0x5558ba45ab40 in test_precopy_common tests/qtest/migration-test.c:1786:21
#8 0x5558ba450015 in test_precopy_unix_tls_x509_default_host tests/qtest/migration-test.c:2077:5
#9 0x5558ba46d3c7 in migration_test_wrapper tests/qtest/migration-helpers.c:456:5
(and similar reports).
The only function currently provided to deinit a QCryptoTLSCertReq is
test_tls_discard_cert(), which also removes the on-disk certificate
file. For the migration tests we need to retain the on-disk files
until we've finished running the test, so the simplest fix is to
provide a new function test_tls_deinit_cert() which does only the
cleanup of the QCryptoTLSCertReq, and call it in the right places.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
In calc_dirtyrate_ready() we g_strdup() a string but then never free it:
Direct leak of 19 byte(s) in 2 object(s) allocated from:
#0 0x55ead613413e in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f13e) (BuildId: e7cd5c37b2987a1af682b43ee5240b98bb316737)
#1 0x7f7a13d39738 in g_malloc debian/build/deb/../../../glib/gmem.c:128:13
#2 0x7f7a13d4e583 in g_strdup debian/build/deb/../../../glib/gstrfuncs.c:361:17
#3 0x55ead6266f48 in calc_dirtyrate_ready tests/qtest/migration-test.c:3409:14
#4 0x55ead62669fe in wait_for_calc_dirtyrate_complete tests/qtest/migration-test.c:3422:13
#5 0x55ead6253df7 in test_vcpu_dirty_limit tests/qtest/migration-test.c:3562:9
#6 0x55ead626a407 in migration_test_wrapper tests/qtest/migration-helpers.c:456:5
We also fail to unref the QMP rsp_return, so we leak that also.
Rather than duplicating the string, use the in-place value from
the qdict, and then unref the qdict.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
In multifd_mapped_ram_fdset_end() we call qtest_qmp() but forgot
to unref the response QDict we get back, which means it is leaked:
Indirect leak of 4120 byte(s) in 1 object(s) allocated from:
#0 0x55c0c095d318 in __interceptor_calloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f318) (BuildI
d: 07f667506452d6c467dbc06fd95191966d3e91b4)
#1 0x7f186f939c50 in g_malloc0 debian/build/deb/../../../glib/gmem.c:161:13
#2 0x55c0c0ae9b01 in qdict_new qobject/qdict.c:30:13
#3 0x55c0c0afc16c in parse_object qobject/json-parser.c:317:12
#4 0x55c0c0afb90f in parse_value qobject/json-parser.c:545:16
#5 0x55c0c0afb579 in json_parser_parse qobject/json-parser.c:579:14
#6 0x55c0c0afa21d in json_message_process_token qobject/json-streamer.c:92:12
#7 0x55c0c0bca2e5 in json_lexer_feed_char qobject/json-lexer.c:313:13
#8 0x55c0c0bc97ce in json_lexer_feed qobject/json-lexer.c:350:9
#9 0x55c0c0afabbc in json_message_parser_feed qobject/json-streamer.c:121:5
#10 0x55c0c09cbd52 in qmp_fd_receive tests/qtest/libqmp.c:86:9
#11 0x55c0c09be69b in qtest_qmp_receive_dict tests/qtest/libqtest.c:760:12
#12 0x55c0c09bca77 in qtest_qmp_receive tests/qtest/libqtest.c:741:27
#13 0x55c0c09bee9d in qtest_vqmp tests/qtest/libqtest.c:812:12
#14 0x55c0c09bd257 in qtest_qmp tests/qtest/libqtest.c:835:16
#15 0x55c0c0a87747 in multifd_mapped_ram_fdset_end tests/qtest/migration-test.c:2393:12
#16 0x55c0c0a85eb3 in test_file_common tests/qtest/migration-test.c:1978:9
#17 0x55c0c0a746a3 in test_multifd_file_mapped_ram_fdset tests/qtest/migration-test.c:2437:5
#18 0x55c0c0a93237 in migration_test_wrapper tests/qtest/migration-helpers.c:458:5
#19 0x7f186f958aed in test_case_run debian/build/deb/../../../glib/gtestutils.c:2930:15
#20 0x7f186f958aed in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3018:16
#21 0x7f186f95880a in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3035:18
#22 0x7f186f95880a in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3035:18
#23 0x7f186f95880a in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3035:18
#24 0x7f186f95880a in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3035:18
#25 0x7f186f95880a in g_test_run_suite_internal debian/build/deb/../../../glib/gtestutils.c:3035:18
#26 0x7f186f958faa in g_test_run_suite debian/build/deb/../../../glib/gtestutils.c:3109:18
#27 0x7f186f959055 in g_test_run debian/build/deb/../../../glib/gtestutils.c:2231:7
#28 0x7f186f959055 in g_test_run debian/build/deb/../../../glib/gtestutils.c:2218:1
#29 0x55c0c0a6e427 in main tests/qtest/migration-test.c:4033:11
Unref the object after we've confirmed that it is what we expect.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
If you invoke the migration-test binary in such a way that it doesn't run
any tests, then we never call bootfile_create(), and at the end of
main() bootfile_delete() will try to unlink(NULL), which is not valid.
This can happen if for instance you tell the test binary to run a
subset of tests that turns out to be empty, like this:
(cd build/asan && QTEST_QEMU_BINARY=./qemu-system-x86_64 ./tests/qtest/migration-test --tap -k -p bang)
# random seed: R02S6501b289ff8ced4231ba452c3a87bc6f
# Skipping test: userfaultfd not available
1..0
../../tests/qtest/migration-test.c:182:12: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/unistd.h:858:48: note: nonnull attribute specified here
Handle this by making bootfile_delete() not needing to do anything
because bootfile_create() was never called.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
[fixed conflict with aee07f2563]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
I fumbled one of my last pull requests when fixing in-tree an issue
with commit 87d67fadb9 ("monitor: Stop removing non-duplicated
fds"). Basically mixed-up my `git add -p` and `git checkout -p` and
committed a piece of test infra that has not been reviewed yet.
This has not caused any bad symptoms because the test is not enabled
by default anywhere: make check doesn't use two qemu binaries and the
CI doesn't have PYTHON set for the compat tests. Besides, the test
works fine anyway, it would not break anything.
Remove this because it was never intended to be merged.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
A test run may create boot files several times. Delete the previous boot
file before creating a new one.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20240823-san-v4-7-a24c6dfa4ceb@daynix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
s390x with TCG is more stable now. Enable it.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240525131241.378473-3-npiggin@gmail.com>
Reviewed-by: Prasad Pandit <pjp@fedoraproject.org>
[thuth: Added "with TCG" to the commit message]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Make sure there will be an event for postcopy recovery, irrelevant of
whether the reconnect will success, or when the failure happens.
The added new case is to fail early in postcopy recovery, in which case it
didn't even reach RECOVER stage on src (and in real life it'll be the same
to dest, but the test case is just slightly more involved due to the dual
socketpair setup).
To do that, rename the postcopy_recovery_test_fail to reflect either stage
to fail, instead of a boolean.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Making sure the postcopy-recover-setup status is present in the postcopy
failure unit test. Note that it only applies to src QEMU not dest.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Libvirt should always enable it, so it'll be nice qtest also cover that for
all tests on both sides. migrate_incoming_qmp() used to enable it only on
dst, now we enable them on both, as we'll start to sanity check events even
on the src QEMU.
We'll need to leave the one in migrate_incoming_qmp(), because
virtio-net-failover test uses that one only, and it relies on the events to
work.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Most of them are not needed, we can stick with one ifdef inside
postcopy_recover_fail() so as to cover the scm right tricks only.
The tests won't run on windows anyway due to has_uffd always false.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Add a multifd test for mapped-ram with passing of fds into QEMU. This
is how libvirt will consume the feature.
There are a couple of details to the fdset mechanism:
- multifd needs two distinct file descriptors (not duplicated with
dup()) so it can enable O_DIRECT only on the channels that do
aligned IO. The dup() system call creates file descriptors that
share status flags, of which O_DIRECT is one.
- the open() access mode flags used for the fds passed into QEMU need
to match the flags QEMU uses to open the file. Currently O_WRONLY
for src and O_RDONLY for dst.
Note that fdset code goes under _WIN32 because fd passing is not
supported on Windows.
Reviewed-by: Peter Xu <peterx@redhat.com>
[brought back the qmp_remove_fd() call at the end of the tests]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
The tests are only allowed to run in systems that know about the
O_DIRECT flag and in filesystems which support it.
Note: this also brings back migrate_set_parameter_bool() which went
away when we removed the compression tests. I copied it verbatim.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
monitor_fdsets_cleanup() currently has three responsibilities:
1- Remove the fds that have been marked for removal(->removed=true) by
qmp_remove_fd(). This is overly complicated, but ok.
2- Remove any file descriptors that have been passed into QEMU and
never duplicated[1,2]. A file descriptor without duplicates
indicates that no part of QEMU has made use of it. This is
problematic because the current implementation does it only if the
guest is not running and the monitor is closed.
3- Remove/free fdsets that have become empty due to the above
removals. This is ok.
The scenario described in (2) is starting to show some cracks now that
we're trying to consume fds from the migration code:
- Doing cleanup every time the last monitor connection closes works to
reap unused fds, but also has the side effect of forcing the
management layer to pass the file descriptors again in case of a
disconnect/re-connect, if that happened to be the only monitor
connection.
Another side effect is that removing an fd with qmp_remove_fd() is
effectively delayed until the last monitor connection closes.
The usage of mon_refcount is also problematic because it's racy.
- Checking runstate_is_running() skips the cleanup unless the VM is
running and avoids premature cleanup of the fds, but also has the
side effect of blocking the legitimate removal of an fd via
qmp_remove_fd() if the VM happens to be in another state.
This affects qmp_remove_fd() and qmp_query_fdsets() in particular
because requesting a removal at a bad time (guest stopped) might
cause an fd to never be removed, or to be removed at a much later
point in time, causing the query command to continue showing the
supposedly removed fd/fdset.
Note that file descriptors that *have* been duplicated are owned by
the code that uses them and will be removed after qemu_close() is
called. Therefore we've decided that the best course of action to
avoid the undesired side-effects is to stop managing non-duplicated
file descriptors.
1- efb87c1697 ("monitor: Clean up fd sets on monitor disconnect")
2- ebe52b592d ("monitor: Prevent removing fd from set during init")
Reviewed-by: Peter Xu <peterx@redhat.com>
[fix logic mistake: s/fdset_free/fdset_free_if_empty]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Add a test for file migration using fdset. The passing of fds is more
complex than using a file path. This is also the scenario where it's
most important we ensure that the initial migration stream offset is
respected because the fdset interface is the one used by the
management layer when providing a non empty migration file.
Note that fd passing is not available on Windows, so anything that
uses add-fd needs to exclude that platform.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
When doing file migration, QEMU accepts an offset that should be
skipped when writing the migration stream to the file. The purpose of
the offset is to allow the management layer to put its own metadata at
the start of the file.
We have tests for this in migration-test, but only testing that the
migration stream starts at the correct offset and not that it actually
leaves the data intact. Unsurprisingly, there's been a bug in that
area that the tests didn't catch.
Fix the tests to write some data to the offset region and check that
it's actually there after the migration.
While here, switch to using g_get_file_contents() which is more
portable than mmap().
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
add qpl to compression method test for multifd migration
the qpl compression supports software path and hardware
path(IAA device), and the hardware path is used first by
default. If the hardware path is unavailable, it will
automatically fallback to the software path for testing.
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Reviewed-by: Nanhai Zou <nanhai.zou@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Similar to other archs, build a custom bios memory updater. Running the
test with OF code is a cool trick, but SLOF takes a long time to boot.
This reduces test time by around 3x (150s to 50s).
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
ppc64 with TCG seems to no longer be failing this test, perhaps since
commit 03bfc2188f ("physmem: Fix migration dirty bitmap coherency
with TCG memory access") which is not ppc specific but was seen to hit
ppc64 quite easily.
Let's enable it again.
The s390x problem has been identified so mention it while we are
adjusting the comment.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Prasad Pandit <pjp@fedoraproject.org>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
If analyze-migration.py cannot be run or crashes, the error is currently
ignored since the code only checks for nonzero values in case the child
exited properly. For example, if you run the test with a non-existing
Python interpreter, it still succeeds:
$ PYTHON=wrongpython QTEST_QEMU_BINARY=./qemu-system-x86_64 tests/qtest/migration-test
...
# Running /x86_64/migration/analyze-script
# Using machine type: pc-q35-9.1
# starting QEMU: exec ./qemu-system-x86_64 -qtest unix:/tmp/qtest-417639.sock -qtest-log /dev/null -chardev socket,path=/tmp/qtest-417639.qmp,id=char0 -mon chardev=char0,mode=control -display none -audio none -accel kvm -accel tcg -machine pc-q35-9.1, -name source,debug-threads=on -m 150M -serial file:/tmp/migration-test-XPLUN2/src_serial -drive if=none,id=d0,file=/tmp/migration-test-XPLUN2/bootsect,format=raw -device ide-hd,drive=d0,secs=1,cyls=1,heads=1 -uuid 11111111-1111-1111-1111-111111111111 -accel qtest
# starting QEMU: exec ./qemu-system-x86_64 -qtest unix:/tmp/qtest-417639.sock -qtest-log /dev/null -chardev socket,path=/tmp/qtest-417639.qmp,id=char0 -mon chardev=char0,mode=control -display none -audio none -accel kvm -accel tcg -machine pc-q35-9.1, -name target,debug-threads=on -m 150M -serial file:/tmp/migration-test-XPLUN2/dest_serial -incoming tcp:127.0.0.1:0 -drive if=none,id=d0,file=/tmp/migration-test-XPLUN2/bootsect,format=raw -device ide-hd,drive=d0,secs=1,cyls=1,heads=1 -accel qtest
**
ERROR:../../devel/qemu/tests/qtest/migration-test.c:1603:test_analyze_script: code should not be reached
migration-test: ../../devel/qemu/tests/qtest/libqtest.c:240: qtest_wait_qemu: Assertion `pid == s->qemu_pid' failed.
migration-test: ../../devel/qemu/tests/qtest/libqtest.c:240: qtest_wait_qemu: Assertion `pid == s->qemu_pid' failed.
ok 2 /x86_64/migration/analyze-script
...
Let's better fail the test in case the child did not exit properly, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
On s390x, we recently had a regression that broke migration / savevm
(see commit bebe9603fc ("hw/intc/s390_flic: Fix crash that occurs when
saving the machine state"). The problem was merged without being noticed
since we currently do not run any migration / savevm related tests on
x86 hosts.
While we currently cannot run all migration tests for the s390x target
on x86 hosts yet (due to some unresolved issues with TCG), we can at
least run some of the non-live tests to avoid such problems in the future.
Thus enable the "analyze-script" and the "bad_dest" tests before checking
for KVM on s390x or ppc64 (this also fixes the problem that the
"analyze-script" test was not run on s390x at all anymore since it got
disabled again by accident in a previous refactoring of the code).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
ARM/aarch64 are easy to fix because they already have to pass a machine
type by hand. Just guard the tests with a check that the machine actually
exists.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-14-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The 'compress' migration capability enables the old compression code
which has shown issues over the years and is thought to be less stable
and tested than the more recent multifd-based compression. The old
compression code has been deprecated in 8.2 and now is time to remove
it.
Deprecation commit 864128df46 ("migration: Deprecate old compression
method").
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Migration QAPI arguments - uri and channels are mutually exhaustive.
Add negative validation tests, one with both arguments present and
one with none present.
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-9-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Add a positive test to check multifd live migration but this time
using list of channels (restricted to 1) as the starting point
instead of simple uri string.
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-8-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Alter migrate_qmp() to allow use of channels parameter, but only
fill the uri with correct port number if there are no channels.
Here we don't want to allow the wrong cases of having both or
none (ex: migrate_qmp_fail).
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-7-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Alter migrate_qmp_fail() to allow both uri and channels
independently. For channels, convert string to a Dict.
No dealing with migrate_get_socket_address() here because
we will fail before starting the migration anyway.
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-5-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Move the calls to migrate_get_socket_address() into migrate_qmp().
Get rid of connect_uri and replace it with args->connect_uri only
because 'to' object will help to generate connect_uri with the
correct port number.
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-3-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Add the 'to' object into migrate_qmp(), so we can use
migrate_get_socket_address() inside migrate_qmp() to get
the port value. This is not applied to other migrate_qmp*
because they don't need the port.
Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-2-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This reverts commit decdc76772 in full
and also the relevant migration-tests from
7a09f09283.
After the addition of the new QAPI-based migration address API in 8.2
we've been converting an "fd:" URI into a SocketAddress, missing the
fact that the "fd:" syntax could also be used for a plain file instead
of a socket. This is a problem because the SocketAddress is part of
the API, so we're effectively asking users to create a "socket"
channel to pass in a plain file.
The easiest way to fix this situation is to deprecate the usage of
both SocketAddress and "fd:" when used with a plain file for
migration. Since this has been possible since 8.2, we can wait until
9.1 to deprecate it.
For 9.0, however, we should avoid adding further support to migration
to a plain file using the old "fd:" syntax or the new SocketAddress
API, and instead require the usage of either the old-style "file:" URI
or the FileMigrationArgs::filename field of the new API with the
"/dev/fdset/NN" syntax, both of which are already supported.
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240319210941.1907-1-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Now that zero page checking is done on the multifd sender threads by
default, we still provide an option for backward compatibility. This
change adds a qtest migration test case to set the zero-page-detection
option to "legacy" and run multifd migration with zero page checking on the
migration main thread.
Signed-off-by: Hao Xiang <hao.xiang@bytedance.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240311180015.3359271-8-hao.xiang@linux.dev
Signed-off-by: Peter Xu <peterx@redhat.com>
The fd URI supports an fd that is backed by a file. The code should
select between QIOChannelFile and QIOChannelSocket, depending on the
type of the fd. Add a test for that.
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240220224138.24759-4-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Next patch adds another fd test. Rename the existing one closer to
what's used on other tests, with the 'precopy' prefix.
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240220224138.24759-3-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Recently we introduced cross-binary migration test. It's always wanted
that migration-test uses stable guest ABI for both QEMU binaries in this
case, so that both QEMU binaries will be compatible on the migration
stream with the cmdline specified.
Switch to a static gic version "3" rather than using version "max", so that
GIC should be stable now across any future QEMU binaries for migration-test.
Here the version can actually be anything as long as the ABI is stable. We
choose "3" because it's the majority of what we already use in QEMU while
still new enough: "git grep gic-version=3" shows 6 hit, while version 4 has
no direct user yet besides "max".
Note that even with this change, aarch64 won't be able to work yet with
migration cross binary test, but then the only missing piece will be the
stable CPU model.
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/r/20240207005403.242235-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
There is no need to use the Linux-internal __u64 type, 1ULL is
guaranteed to be wide enough.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20240117160313.175609-1-pbonzini@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
We've found the source of flakiness in this test, so re-enable it.
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20230606144551.24367-4-farosas@suse.de
[peterx: rebase to 2a61a6964c, to use migration_test_add()]
Signed-off-by: Peter Xu <peterx@redhat.com>
Replace the tests registration with the new function that prints tests
names.
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-8-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Add a test case to verify that the suspended state is handled correctly by
live migration postcopy. The test suspends the src, migrates, then wakes
the dest.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1704312341-66640-13-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Add a test case to verify that the suspended state is handled correctly
during live migration precopy. The test suspends the src, migrates, then
wakes the dest.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1704312341-66640-12-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Add an option to suspend the src in a-b-bootblock.S, which puts the guest
in S3 state after one round of writing to memory. The option is enabled by
poking a 1 into the suspend_me word in the boot block prior to starting the
src vm. Generate symbol offsets in a-b-bootblock.h so that the suspend_me
offset is known. Generate the bootblock for each test, because suspend_me
may differ for each.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/1704312341-66640-11-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
