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Searched refs:precopy (Results 1 – 7 of 7) sorted by relevance

/qemu/docs/devel/migration/
H A Dpostcopy.rst16 Postcopy can be combined with precopy (i.e. normal migration) so that if precopy
28 started in precopy mode. Issuing:
32 will now cause the transition from precopy to postcopy.
98 now carries on as it would for normal precopy migration
132 precopy, except for the addition of a 'postcopy advise' command at
140 A series of sections, identical to the precopy streams device state stream
148 to the destination without being requested (in much the same way as precopy),
158 Initially the destination looks the same as precopy, with a single thread
202 The 'migration bitmap' in postcopy is basically the same as in the precopy,
204 sending. During the precopy phase this is updated as the CPU dirties
[all …]
H A Dvfio.rst148 supports both precopy and P2P migration. The flow for devices that don't
149 support it is similar, except that the relevant states for precopy and P2P are
H A Dmain.rst73 devices is sent at the end of precopy migration, when the CPUs are paused.
/qemu/hw/vfio/
H A Dtrace-events162 … precopy_init_size, uint64_t precopy_dirty_size) " (%s) precopy initial size 0x%"PRIx64" precopy d…
164 …precopy, uint64_t postcopy, uint64_t precopy_init_size, uint64_t precopy_dirty_size) " (%s) precop…
165 …precopy, uint64_t postcopy, uint64_t stopcopy_size, uint64_t precopy_init_size, uint64_t precopy_d…
H A Dmigration.c343 struct vfio_precopy_info precopy = { in vfio_query_precopy_size() local
344 .argsz = sizeof(precopy), in vfio_query_precopy_size()
350 if (ioctl(migration->data_fd, VFIO_MIG_GET_PRECOPY_INFO, &precopy)) { in vfio_query_precopy_size()
354 migration->precopy_init_size = precopy.initial_bytes; in vfio_query_precopy_size()
355 migration->precopy_dirty_size = precopy.dirty_bytes; in vfio_query_precopy_size()
/qemu/qapi/
H A Dmigration.json49 # @precopy-bytes: The number of bytes sent in the pre-copy phase
73 'precopy-bytes': 'uint64', 'downtime-bytes': 'uint64',
412 # for precopy. (since 2.10)
447 # postcopy requests to preempt precopy stream, so postcopy
/qemu/docs/interop/
H A Dvhost-user.rst1471 stage the migration is still in precopy mode.