- 08 8月, 2012 2 次提交
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由 Orit Wasserman 提交于
For performance we are encoding long word at a time. For nzrun we use long-word-at-a-time NULL-detection tricks from strcmp(): using ((lword - 0x0101010101010101) & (~lword) & 0x8080808080808080) test to find out if any byte in the long word is zero. Signed-off-by: NBenoit Hudzia <benoit.hudzia@sap.com> Signed-off-by: NPetter Svard <petters@cs.umu.se> Signed-off-by: NAidan Shribman <aidan.shribman@sap.com> Signed-off-by: NOrit Wasserman <owasserm@redhat.com> Signed-off-by: NEric Blake <eblake@redhat.com> Reviewed-by: NLuiz Capitulino <lcapitulino@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Orit Wasserman 提交于
The management can query the current migration capabilities using query-migrate-capabilities QMP command. The user can use 'info migrate_capabilities' HMP command. Currently only XBZRLE capability is available. Signed-off-by: NOrit Wasserman <owasserm@redhat.com> Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NLuiz Capitulino <lcapitulino@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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- 20 7月, 2012 1 次提交
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由 Juan Quintela 提交于
Notice that the live migration users never unregister, so no problem about freeing the ops structure. Signed-off-by: NJuan Quintela <quintela@redhat.com>
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- 29 6月, 2012 2 次提交
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由 Juan Quintela 提交于
We add time spent for migration to the output of "info migrate" command. 'total_time' means time since the start fo migration if migration is 'active', and total time of migration if migration is completed. As we are also interested in transferred ram when migration completes, adding all ram statistics Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Isaku Yamahata 提交于
Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp>
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- 11 5月, 2012 1 次提交
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由 Amos Kong 提交于
Use help functions in qemu-socket.c for tcp migration, which already support ipv6 addresses. Currently errp will be set to UNDEFINED_ERROR when migration fails, qemu would output "migration failed: ...", and current user can see a message("An undefined error has occurred") in monitor. This patch changed tcp_start_outgoing_migration()/inet_connect() /inet_connect_opts(), socket error would be passed back, then current user can see a meaningful err message in monitor. Qemu will exit if listening fails, so output socket error to qemu stderr. For IPv6 brackets must be mandatory if you require a port. Referencing to RFC5952, the recommended format is: [2312::8274]:5200 test status: Successed listen side: qemu-kvm .... -incoming tcp:[2312::8274]:5200 client side: qemu-kvm ... (qemu) migrate -d tcp:[2312::8274]:5200 Signed-off-by: NAmos Kong <akong@redhat.com> Reviewed-by: NOrit Wasserman <owasserm@redhat.com> Reviewed-by: NMichael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 15 3月, 2012 2 次提交
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由 Luiz Capitulino 提交于
The migrate command is one of those commands where HMP and QMP completely mix up together. This made the conversion to the QAPI (which separates the command into QMP and HMP parts) a bit difficult. The first important change to be noticed is that this commit completes the removal of the Monitor object from migration code, started by the previous commit. Another important and tricky change is about supporting the non-detached mode. That is, if the user doesn't pass '-d' the migrate command will lock the monitor and will only release it when migration is finished. To support this in the new HMP command (hmp_migrate()), it is necessary to create a timer which runs every second and checks if the migration is still active. If it is, the timer callback will re-schedule itself to run one second in the future. If the migration has already finished, the monitor lock is released and the user can use it normally. All these changes should be transparent to the user. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com> Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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由 Luiz Capitulino 提交于
The Monitor object is passed back and forth within the migration/savevm code so that it can print errors and progress to the user. However, that approach assumes a HMP monitor, being completely invalid in QMP. This commit drops almost every single usage of the Monitor object, all monitor_printf() calls have been converted into DPRINTF() ones. There are a few remaining Monitor objects, those are going to be dropped by the next commit. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com> Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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- 14 12月, 2011 1 次提交
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由 Isaku Yamahata 提交于
The variable is deleted by 1bcef683 So remove its declaration. Acked-by: NLuiz Capitulino <lcapitulino@redhat.com> Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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- 06 12月, 2011 3 次提交
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由 Luiz Capitulino 提交于
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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由 Luiz Capitulino 提交于
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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由 Luiz Capitulino 提交于
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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- 22 11月, 2011 1 次提交
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由 Anthony Liguori 提交于
This lets different subsystems register an Error that is thrown whenever migration is attempted. This works nicely because it gracefully supports things like hotplug. Right now, if multiple errors are registered, only one of them is reported. I expect that for 1.1, we'll extend query-migrate to return all of the reasons why migration is disabled at any given point in time. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 25 10月, 2011 1 次提交
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由 Gerd Hoffmann 提交于
Add migration_is_active and migration_has_failed functions to query migration state. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
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- 20 10月, 2011 13 次提交
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Juan Quintela 提交于
This will allow us to hide the state values. Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Juan Quintela 提交于
It is used only in one place Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Juan Quintela 提交于
It is only used inside migration.c, and fields on that struct are accessed all around the place on that file. Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Juan Quintela 提交于
We called it from a single place, and always with state != MIG_STATE_ACTIVE. Just remove the whole callback. For users of the notifier, notice that this is exactly the case where they don't care, we are just freeing the state from previous failed migration (it can't be a sucessful one, otherwise we would not be running on that machine in the first place). Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Use MIG_STATE_ACTIVE only when migration has really started. Use this new state to setup migration parameters. Change defines for an anonymous struct. Signed-off-by: NJuan Quintela <quintela@redhat.com>
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由 Juan Quintela 提交于
Once there, remove all parameters that don't need to be passed to *start_outgoing_migration() functions Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
I have to move two functions postions to avoid forward declarations Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 16 4月, 2011 1 次提交
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由 Blue Swirl 提交于
Move a few migration related declarations to migration.h. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 24 1月, 2011 1 次提交
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由 Gerd Hoffmann 提交于
This patch adds functions to register and unregister notifiers for migration state changes and a function to query the migration state. The notifier is called on every state change. Once after establishing a new migration object (which is in active state then) and once when the state changes from active to completed, canceled or error. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
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- 23 6月, 2010 2 次提交
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 04 6月, 2010 1 次提交
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由 Anthony Liguori 提交于
This patch makes sure that if the exec: process exits with a non-zero return status, we treat the migration as failed. This fixes https://bugs.launchpad.net/qemu/+bug/391879Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 20 2月, 2010 2 次提交
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由 Luiz Capitulino 提交于
While there I'm also dropping a unneeded else clause (the last one in the function). Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Luiz Capitulino 提交于
The following handlers always succeed and hence can be converted to cmd_new_ret() in the same commit. - do_stop() - do_quit() - do_system_reset() - do_system_powerdown() - do_migrate_cancel() - do_qmp_capabilities() - do_migrate_set_speed() - do_migrate_set_downtime() Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 04 2月, 2010 2 次提交
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由 Markus Armbruster 提交于
Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Markus Armbruster 提交于
Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 19 12月, 2009 1 次提交
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由 Anthony Liguori 提交于
This reverts commit 3a492104. From Luiz: do_migrate_set_speed() accepts a suffix for the 'value' argument and this is not good for QMP. We will have to add a new argument type to handle that and this will have to wait for 0.13. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 12 12月, 2009 1 次提交
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由 Luiz Capitulino 提交于
Return a QDict, which may contain up to more two QDicts, depending on the type of migration we're performing. IMPORTANT: as a QInt stores a int64_t integer, RAM values are going to be stored as int64_t and not as uint64_t as they are today. If this is a problem QInt will have to be changed. This commit should not change user output. Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 04 12月, 2009 1 次提交
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由 Jan Kiszka 提交于
In order to allow proper progress reporting to the monitor that initiated the migration, forward the monitor reference through the migration layer down to SaveLiveStateHandler. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 17 11月, 2009 1 次提交
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由 lirans@il.ibm.com 提交于
This patch introduces block migration called during live migration. Block are being copied to the destination in an async way. First the code will transfer the whole disk and then transfer all dirty blocks accumulted during the migration. Still need to improve transition from the iterative phase of migration to the end phase. For now transition will take place when all blocks transfered once, all the dirty blocks will be transfered during the end phase (guest is suspended). Changes from v4: - Global variabels moved to a global state structure allocated dynamically. - Minor coding style issues. - Poll block.c for tracking of dirty blocks instead of manage it here. Signed-off-by: NLiran Schour <lirans@il.ibm.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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