Merge tag 'migration-20230726-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request

Hi

This is the migration PULL request. It is the same than yesterday with

Merge tag 'migration-20230726-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request

Hi

This is the migration PULL request. It is the same than yesterday with proper PULL headers.
It pass CI. It contains:
- Fabiano rosas trheadinfo cleanups
- Hyman Huang dirtylimit changes
- Part of my changes
- Peter Xu documentation
- Tejus updato to migration descriptions
- Wei want improvements for postocpy and multifd setup

Please apply.

Thanks, Juan.

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# gpg: Signature made Wed 26 Jul 2023 04:59:52 AM PDT
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [undefined]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723

* tag 'migration-20230726-pull-request' of https://gitlab.com/juan.quintela/qemu: (25 commits)
migration/rdma: Split qemu_fopen_rdma() into input/output functions
qemu-file: Make qemu_file_get_error_obj() static
qemu-file: Simplify qemu_file_shutdown()
qemu_file: Make qemu_file_is_writable() static
migration: Change qemu_file_transferred to noflush
qemu-file: Rename qemu_file_transferred_ fast -> noflush
qtest/migration-tests.c: use "-incoming defer" for postcopy tests
migration: enforce multifd and postcopy preempt to be set before incoming
migration: Update error description whenever migration fails
docs/migration: Update postcopy bits
migration: skipped field is really obsolete.
migration-test: machine_opts is really arch specific
migration-test: Create arch_opts
migration-test: Make machine_opts regular with other options
migration-test: Be consistent for ppc
migration: Extend query-migrate to provide dirty page limit info
migration: Implement dirty-limit convergence algo
migration: Put the detection logic before auto-converge checking
migration: Refactor auto-converge capability logic
migration: Introduce dirty-limit capability
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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migration: Extend query-migrate to provide dirty page limit info

Extend query-migrate to provide throttle time and estimated
ring full time with dirty-limit capability enabled, through which
we can

migration: Extend query-migrate to provide dirty page limit info

Extend query-migrate to provide throttle time and estimated
ring full time with dirty-limit capability enabled, through which
we can observe if dirty limit take effect during live migration.

Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-ID: <168733225273.5845.15871826788879741674-8@git.sr.ht>
Signed-off-by: Juan Quintela <quintela@redhat.com>

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Merge tag 'pull-migration-20220720c' of https://gitlab.com/dagrh/qemu into staging

Migration pull 2022-07-20

This replaces yesterdays pull and:
a) Fixes some test build errors without TLS
b) Re

Merge tag 'pull-migration-20220720c' of https://gitlab.com/dagrh/qemu into staging

Migration pull 2022-07-20

This replaces yesterdays pull and:
a) Fixes some test build errors without TLS
b) Reenabled the zlib acceleration on s390
now that we have Ilya's fix

Hyman's dirty page rate limit set
Ilya's fix for zlib vs migration
Peter's postcopy-preempt
Cleanup from Dan
zero-copy tidy ups from Leo
multifd doc fix from Juan
Revert disable of zlib acceleration on s390x

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

# gpg: Signature made Wed 20 Jul 2022 12:18:56 BST
# gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7

* tag 'pull-migration-20220720c' of https://gitlab.com/dagrh/qemu: (30 commits)
Revert "gitlab: disable accelerated zlib for s390x"
migration: Avoid false-positive on non-supported scenarios for zero-copy-send
multifd: Document the locking of MultiFD{Send/Recv}Params
migration/multifd: Report to user when zerocopy not working
Add dirty-sync-missed-zero-copy migration stat
QIOChannelSocket: Fix zero-copy flush returning code 1 when nothing sent
migration: remove unreachable code after reading data
tests: Add postcopy preempt tests
tests: Add postcopy tls recovery migration test
tests: Add postcopy tls migration test
tests: Move MigrateCommon upper
migration: Respect postcopy request order in preemption mode
migration: Enable TLS for preempt channel
migration: Export tls-[creds|hostname|authz] params to cmdline too
migration: Add helpers to detect TLS capability
migration: Add property x-postcopy-preempt-break-huge
migration: Create the postcopy preempt channel asynchronously
migration: Postcopy recover with preempt enabled
migration: Postcopy preemption enablement
migration: Postcopy preemption preparation on channel creation
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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softmmu/dirtylimit: Implement virtual CPU throttle

Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUSta

softmmu/dirtylimit: Implement virtual CPU throttle

Setup a negative feedback system when vCPU thread
handling KVM_EXIT_DIRTY_RING_FULL exit by introducing
throttle_us_per_full field in struct CPUState. Sleep
throttle_us_per_full microseconds to throttle vCPU
if dirtylimit is in service.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <977e808e03a1cef5151cae75984658b6821be618.1656177590.git.huangy81@chinatelecom.cn>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

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softmmu/dirtylimit: Implement vCPU dirtyrate calculation periodically

Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.

Add

softmmu/dirtylimit: Implement vCPU dirtyrate calculation periodically

Introduce the third method GLOBAL_DIRTY_LIMIT of dirty
tracking for calculate dirtyrate periodly for dirty page
rate limit.

Add dirtylimit.c to implement dirtyrate calculation periodly,
which will be used for dirty page rate limit.

Add dirtylimit.h to export util functions for dirty page rate
limit implementation.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <5d0d641bffcb9b1c4cc3e323b6dfecb36050d948.1656177590.git.huangy81@chinatelecom.cn>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

show more ...