Merge tag 'migration-20231031-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231031)

Hi

This is repeat of the Migration PULL for 20231020.
- I remove

Merge tag 'migration-20231031-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231031)

Hi

This is repeat of the Migration PULL for 20231020.
- I removed vmstate_register(big problems with s390x)
- I added yet more countes (juan)

CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1055797950

Please apply.

Thanks, Juan.

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# gpg: Signature made Tue 31 Oct 2023 18:01:26 JST
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723

* tag 'migration-20231031-pull-request' of https://gitlab.com/juan.quintela/qemu: (38 commits)
qemu-file: Make qemu_fflush() return errors
migration: Remove transferred atomic counter
migration: Use migration_transferred_bytes()
qemu-file: Simplify qemu_file_get_error()
migration: migration_rate_limit_reset() don't need the QEMUFile
migration: migration_transferred_bytes() don't need the QEMUFile
qemu-file: Remove _noflush from qemu_file_transferred_noflush()
qemu_file: Remove unused qemu_file_transferred()
migration: Use the number of transferred bytes directly
qemu_file: total_transferred is not used anymore
qemu_file: Use a stat64 for qemu_file_transferred
qemu-file: Don't increment qemu_file_transferred at qemu_file_fill_buffer
migration: Stop migration immediately in RDMA error paths
migration: Deprecate old compression method
migration: Deprecate block migration
migration: migrate 'blk' command option is deprecated.
migration: migrate 'inc' command option is deprecated.
qemu-iotests: Filter warnings about block migration being deprecated
migration: set file error on subsection loading
migration: rename vmstate_save_needed->vmstate_section_needed
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

migration: Remove transferred atomic counter

After last commit, it is a write only variable.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-

migration: Remove transferred atomic counter

After last commit, it is a write only variable.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117.6342-12-quintela@redhat.com>

show more ...

migration: migration_rate_limit_reset() don't need the QEMUFile

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117

migration: migration_rate_limit_reset() don't need the QEMUFile

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117.6342-9-quintela@redhat.com>

show more ...

migration: migration_transferred_bytes() don't need the QEMUFile

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <2023102509111

migration: migration_transferred_bytes() don't need the QEMUFile

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117.6342-8-quintela@redhat.com>

show more ...

qemu_file: Use a stat64 for qemu_file_transferred

This way we can read it from any thread.
I checked that it gives the same value as the current one. We never
use two qemu_files at the same time.

qemu_file: Use a stat64 for qemu_file_transferred

This way we can read it from any thread.
I checked that it gives the same value as the current one. We never
use two qemu_files at the same time.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231025091117.6342-3-quintela@redhat.com>

show more ...

Merge tag 'migration-20231002-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231002)

In this migration pull request:

- Refactor repeated call of yank

Merge tag 'migration-20231002-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231002)

In this migration pull request:

- Refactor repeated call of yank_unregister_instance (tejus)
- More migraton-test changes

Please, apply.

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# gpg: Signature made Mon 02 Oct 2023 08:20:14 EDT
# gpg: using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg: aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723

* tag 'migration-20231002-pull-request' of https://gitlab.com/juan.quintela/qemu:
migration/rdma: Simplify the function that saves a page
migration: Remove unused qemu_file_credit_transfer()
migration/rdma: Don't use imaginary transfers
migration/rdma: Remove QEMUFile parameter when not used
migration/RDMA: It is accounting for zero/normal pages in two places
migration: Don't abuse qemu_file transferred for RDMA
migration: Use qemu_file_transferred_noflush() for block migration.
migration: Refactor repeated call of yank_unregister_instance
migration-test: simplify shmem_opts handling
migration-test: dirtylimit checks for x86_64 arch before
migration-test: Add bootfile_create/delete() functions
migration-test: bootpath is the same for all tests and for all archs
migration-test: Create kvm_opts

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

migration: Don't abuse qemu_file transferred for RDMA

Just create a variable for it, the same way that multifd does. This
way it is safe to use for other thread, etc, etc.

Reviewed-by: Leonardo Br

migration: Don't abuse qemu_file transferred for RDMA

Just create a variable for it, the same way that multifd does. This
way it is safe to use for other thread, etc, etc.

Reviewed-by: Leonardo Bras <leobras@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230515195709.63843-11-quintela@redhat.com>

show more ...

Merge tag 'migration-20230518-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request

Hi

Based on latest reviewed parts of migration:
- Disable colo (vladimir)
-

Merge tag 'migration-20230518-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request

Hi

Based on latest reviewed parts of migration:
- Disable colo (vladimir)
- Migration atomic counters (juan)

Please apply.

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# gpg: Signature made Thu 18 May 2023 10:12:53 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!
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# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723

* tag 'migration-20230518-pull-request' of https://gitlab.com/juan.quintela/qemu:
migration: Fix duplicated included in meson.build
migration/multifd: Compute transferred bytes correctly
migration: We don't need the field rate_limit_used anymore
migration: Use migration_transferred_bytes() to calculate rate_limit
migration: Add a trace for migration_transferred_bytes
migration: Move migration_total_bytes() to migration-stats.c
migration: Move rate_limit_max and rate_limit_used to migration_stats
qemu-file: Account for rate_limit usage on qemu_fflush()
migration: Don't use INT64_MAX for unlimited rate
migration: process_incoming_migration_co(): move colo part to colo
migration: split migration_incoming_co
configure: add --disable-colo-proxy option

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

show more ...

migration: We don't need the field rate_limit_used anymore

Since previous commit, we calculate how much data we have send with
migration_transferred_bytes() so no need to maintain this counter and
r

migration: We don't need the field rate_limit_used anymore

Since previous commit, we calculate how much data we have send with
migration_transferred_bytes() so no need to maintain this counter and
remember to always update it.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230515195709.63843-10-quintela@redhat.com>

show more ...

migration: Use migration_transferred_bytes() to calculate rate_limit

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230515195709.63843

migration: Use migration_transferred_bytes() to calculate rate_limit

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230515195709.63843-9-quintela@redhat.com>

show more ...

migration: Move migration_total_bytes() to migration-stats.c

Once there rename it to migration_transferred_bytes() and pass a
QEMUFile instead of a migration object.

Signed-off-by: Juan Quintela <q

migration: Move migration_total_bytes() to migration-stats.c

Once there rename it to migration_transferred_bytes() and pass a
QEMUFile instead of a migration object.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230515195709.63843-7-quintela@redhat.com>

show more ...

migration: Move rate_limit_max and rate_limit_used to migration_stats

These way we can make them atomic and use this functions from any
place. I also moved all functions that use rate_limit to
migr

migration: Move rate_limit_max and rate_limit_used to migration_stats

These way we can make them atomic and use this functions from any
place. I also moved all functions that use rate_limit to
migration-stats.

Functions got renamed, they are not qemu_file anymore.

qemu_file_rate_limit -> migration_rate_exceeded
qemu_file_set_rate_limit -> migration_rate_set
qemu_file_get_rate_limit -> migration_rate_get
qemu_file_reset_rate_limit -> migration_rate_reset
qemu_file_acct_rate_limit -> migration_rate_account.

Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230515195709.63843-6-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

show more ...

migration: Don't use INT64_MAX for unlimited rate

Define and use RATE_LIMIT_DISABLED instead.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.c

migration: Don't use INT64_MAX for unlimited rate

Define and use RATE_LIMIT_DISABLED instead.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-Id: <20230515195709.63843-2-quintela@redhat.com>

show more ...

Merge tag 'migration-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20230505 edition)

In this series:
- fix block_bitmap_mapping (juan)
- RDMA

Merge tag 'migration-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20230505 edition)

In this series:
- fix block_bitmap_mapping (juan)
- RDMA cleanup (juan)
- qemu file cleanup (juan)

Please apply.

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# gpg: Signature made Fri 05 May 2023 01:47:17 AM BST
# 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-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu:
qemu-file: Make ram_control_save_page() use accessors for rate_limit
qemu-file: Make total_transferred an uint64_t
qemu-file: remove shutdown member
qemu-file: No need to check for shutdown in qemu_file_rate_limit
migration: qemu_file_total_transferred() function is monotonic
migration: max_postcopy_bandwidth is a size parameter
migration/rdma: Check for postcopy sooner
migration/rdma: It makes no sense to recive that flag without RDMA
migration/rdma: We can calculate the rioc from the QEMUFile
migration/rdma: simplify ram_control_load_hook()
migration: Make RAM_SAVE_FLAG_HOOK a normal case entry
migration: Rename xbzrle_enabled xbzrle_started
migration: Put zero_pages in alphabetical order
migration: Document all migration_stats
migration/rdma: Don't pass the QIOChannelRDMA as an opaque
migration: Fix block_bitmap_mapping migration

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

show more ...

migration: Put zero_pages in alphabetical order

I forgot to move it when I rename it from duplicated_pages.

Message-Id: <20230504103357.22130-3-quintela@redhat.com>
Reviewed-by: David Edmondson <da

migration: Put zero_pages in alphabetical order

I forgot to move it when I rename it from duplicated_pages.

Message-Id: <20230504103357.22130-3-quintela@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

show more ...

migration: Document all migration_stats

Message-Id: <20230504103357.22130-2-quintela@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Daniel P. Berrangé <berrange@r

migration: Document all migration_stats

Message-Id: <20230504103357.22130-2-quintela@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

show more ...

Merge tag 'migration-20230428-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migraiton Pull request (20230428 take 2)

Hi

Dropped the compression cleanups to see if we find wha

Merge tag 'migration-20230428-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migraiton Pull request (20230428 take 2)

Hi

Dropped the compression cleanups to see if we find what is going on.

Please apply.

Later, Juan.

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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 03 May 2023 10:25:56 AM BST
# 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-20230428-pull-request' of https://gitlab.com/juan.quintela/qemu:
migration: Drop unused parameter for migration_tls_client_create()
migration: Drop unused parameter for migration_tls_get_creds()
migration/rdma: Unfold last user of acct_update_position()
migration/rdma: Split the zero page case from acct_update_position
migration: Rename RAMStats to MigrationAtomicStats
migration: Rename ram_counters to mig_stats
migration: Move ram_stats to its own file migration-stats.[ch]
multifd: We already account for this packet on the multifd thread

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

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migration: Rename RAMStats to MigrationAtomicStats

It is lousely based on MigrationStats, but that name is taken, so this
is the best one that I came with.

Signed-off-by: Juan Quintela <quintela@re

migration: Rename RAMStats to MigrationAtomicStats

It is lousely based on MigrationStats, but that name is taken, so this
is the best one that I came with.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>

---

If you have any good suggestion for the name, I am all ears.

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migration: Rename ram_counters to mig_stats

migration_stats is just too long, and it is going to have more than
ram counters in the near future.

Signed-off-by: Juan Quintela <quintela@redhat.com>
R

migration: Rename ram_counters to mig_stats

migration_stats is just too long, and it is going to have more than
ram counters in the near future.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>

show more ...

migration: Move ram_stats to its own file migration-stats.[ch]

There is already include/qemu/stats.h, so stats.h was a bad idea.
We want this file to not depend on anything else, we will move all th

migration: Move ram_stats to its own file migration-stats.[ch]

There is already include/qemu/stats.h, so stats.h was a bad idea.
We want this file to not depend on anything else, we will move all the
migration counters/stats to this struct.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>

show more ...