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Peter Xu 228529d1fe migration: Deprecate query-migrationthreads command 
Per previous discussion [1,2], this patch deprecates query-migrationthreads
command.

To summarize, the major reason of the deprecation is due to no sensible way
to consume the API properly:

  (1) The reported list of threads are incomplete (ignoring destination
      threads and non-multifd threads).

  (2) For CPU pinning, there's no way to properly pin the threads with
      the API if the threads will start running right away after migration
      threads can be queried, so the threads will always run on the default
      cores for a short window.

  (3) For VM debugging, one can use "-name $VM,debug-threads=on" instead,
      which will provide proper names for all migration threads.

[1] https://lore.kernel.org/r/20240930195837.825728-1-peterx@redhat.com
[2] https://lore.kernel.org/r/20241011153417.516715-1-peterx@redhat.com

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Acked-by: Markus Armbruster <armbru@redhat.com>
Link: https://lore.kernel.org/r/20241022194501.1022443-1-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-10-31 15:48:18 -04:00
..
acpi.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
audio.json audio/pw: Pipewire->PipeWire case fix for user-visible text 2023-07-17 15:22:56 +04:00
authz.json qapi: Reformat doc comments to conform to current conventions 2023-05-10 10:01:01 +02:00
block-core.json block-backend: per-device throttling of BLOCK_IO_ERROR reports 2024-10-22 17:52:49 +02:00
block-export.json nbd/server: CVE-2024-7409: Cap default max-connections to 100 2024-08-08 16:02:23 -05:00
block.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
char.json chardev: add path option for pty backend 2024-10-09 12:13:05 +04:00
common.json qapi/common: Supply missing member documentation 2024-10-02 09:10:01 +02:00
compat.json qapi: Belatedly update CompatPolicy documentation for unstable 2023-10-19 07:02:29 +02:00
control.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
crypto.json qapi/crypto: Supply missing member documentation 2024-10-02 09:10:01 +02:00
cryptodev.json qapi: Document QCryptodevBackendServiceType 2024-10-02 09:10:01 +02:00
cxl.json qapi/cxl: Supply missing member documentation 2024-10-02 09:10:01 +02:00
dump.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
ebpf.json qapi/ebpf: Drop temporary 'prefix' 2024-09-10 13:22:47 +02:00
error.json qapi: Reformat doc comments to conform to current conventions 2023-05-10 10:01:01 +02:00
introspect.json qapi/introspect: Supply missing member documentation 2024-10-02 09:10:01 +02:00
job.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
machine-common.json qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix' 2024-09-10 13:22:47 +02:00
machine-target.json qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix' 2024-09-10 13:22:47 +02:00
machine.json Remove the unused sh4eb target 2024-10-02 10:21:39 +02:00
meson.build qapi/vfio: Add VFIO migration QAPI event 2024-05-16 16:59:19 +02:00
migration.json migration: Deprecate query-migrationthreads command 2024-10-31 15:48:18 -04:00
misc-target.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
misc.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
net.json net/stream: deprecate 'reconnect' in favor of 'reconnect-ms' 2024-10-28 14:37:25 +08:00
opts-visitor.c qapi: Inline and remove QERR_INVALID_PARAMETER definition 2024-04-24 09:50:58 +02:00
pci.json qapi/pci: Supply missing member documentation 2024-10-02 09:10:01 +02:00
pragma.json qapi: Document QCryptodevBackendServiceType 2024-10-02 09:10:01 +02:00
qapi-clone-visitor.c qapi: Do not cast function pointers 2024-05-29 12:41:56 +02:00
qapi-dealloc-visitor.c qapi: Make visitor functions taking Error ** return bool, not void 2020-07-10 15:18:08 +02:00
qapi-forward-visitor.c qapi: remove needless include 2022-03-22 14:46:18 +04:00
qapi-schema.json qapi/vfio: Add VFIO migration QAPI event 2024-05-16 16:59:19 +02:00
qapi-type-helpers.c qapi: New strv_from_str_list() 2024-03-04 07:12:40 +01:00
qapi-util.c qapi: Fix dangling references to docs/devel/qapi-code-gen.txt 2024-01-26 07:04:53 +01:00
qapi-visit-core.c qapi: Factor out compat_policy_input_ok() 2021-10-29 21:27:20 +02:00
qdev.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
qmp-dispatch.c Revert "monitor: use aio_co_reschedule_self()" 2024-06-10 11:05:43 +02:00
qmp-event.c Replace qemu_gettimeofday() with g_get_real_time() 2022-04-06 10:50:37 +02:00
qmp-registry.c qapi: Generalize command policy checking 2021-10-29 18:24:46 +02:00
qobject-input-visitor.c qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value) 2024-04-24 09:50:58 +02:00
qobject-output-visitor.c qapi: Extend -compat to set policy for unstable interfaces 2021-10-29 21:28:01 +02:00
qom.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
replay.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
rocker.json qapi/rocker: Supply missing member documentation 2024-10-02 09:10:01 +02:00
run-state.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
sockets.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
stats.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
string-input-visitor.c qapi: Inline QERR_INVALID_PARAMETER_TYPE definition (constant value) 2024-04-24 09:50:58 +02:00
string-output-visitor.c string-output-visitor: Fix (pseudo) struct handling 2024-01-26 11:16:58 +01:00
tpm.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
trace-events qapi: Generalize struct member policy checking 2021-10-29 18:23:09 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
trace.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00
transaction.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
ui.json qapi/ui: Drop temporary 'prefix' 2024-09-10 13:22:47 +02:00
vfio.json qapi/vfio: Rename VfioMigrationState to Qapi*, and drop prefix 2024-09-10 14:03:45 +02:00
virtio.json qapi: Refill doc comments to conform to conventions 2024-08-05 09:31:51 +02:00
yank.json qapi: convert "Example" sections without titles 2024-07-17 10:20:53 +02:00