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Pavel Dovgalyuk 63785678f3 replay: introduce block devices record/replay 
This patch introduces block driver that implement recording
and replaying of block devices' operations.
All block completion operations are added to the queue.
Queue is flushed at checkpoints and information about processed requests
is recorded to the log. In replay phase the queue is matched with
events read from the log. Therefore block devices requests are processed
deterministically.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
[ kwolf: Rebased onto modified and already applied part of the series ]
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-30 12:15:57 +02:00
..
specs ivshmem: Require master to have ID zero 2016-03-21 21:29:03 +01:00
aio_notify_accept.promela AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
aio_notify_bug.promela AioContext: fix broken placement of event_notifier_test_and_clear 2015-07-22 12:41:40 +01:00
aio_notify.promela AioContext: fix broken ctx->dispatching optimization 2015-07-22 12:41:40 +01:00
atomics.txt docs/atomics.txt: fix two typos 2015-04-30 16:05:48 +03:00
bitmaps.md docs: update bitmaps.md 2015-11-17 18:35:56 +08:00
blkdebug.txt blkdebug: Merge hand-rolled and qapi BlkdebugEvent enum 2015-12-17 08:21:27 +01:00
blkverify.txt blkverify: Add block driver for verifying I/O 2010-09-21 17:00:53 +02:00
bootindex.txt Typo, spelling and grammatical fixes 2013-04-12 14:33:20 +02:00
build-system.txt docs: describe the QEMU build system structure / design 2015-09-25 12:20:18 +02:00
ccid.txt libcacard: improve documentation 2014-06-10 07:44:01 +02:00
ich9-ehci-uhci.cfg usb: update documentation 2011-07-08 11:25:56 +02:00
image-fuzzer.txt docs: List all image elements currently supported by the fuzzer 2014-09-22 11:39:35 +01:00
live-block-ops.txt docs: describe live block operations 2012-01-26 14:49:18 +01:00
memory-hotplug.txt docs: update documentation for memory hot unplug 2015-04-27 21:07:38 +02:00
memory.txt doc/memory.txt: correct description of MemoryRegionOps fields 2016-03-07 13:26:38 +01:00
migration.txt postcopy: Remove the x- 2016-03-11 17:53:59 +05:30
multi-thread-compression.txt docs: Add a doc about multiple thread compression 2015-05-06 17:36:57 +02:00
multiple-iothreads.txt docs/multiple-iothreads.txt: add documentation on IOThread programming 2014-08-15 15:07:13 +02:00
multiseat.txt maint: remove / fix many doubled words 2015-09-11 10:21:38 +03:00
pci_expander_bridge.txt pxb: cleanup 2016-03-11 16:59:12 +02:00
q35-chipset.cfg q35: Add PCIe switch to example q35 configuration 2013-08-21 12:39:15 +03:00
qapi-code-gen.txt qapi: Allow anonymous base for flat union 2016-03-18 10:29:26 +01:00
qcow2-cache.txt docs: document how to configure the qcow2 L2/refcount caches 2015-09-04 21:00:32 +02:00
qdev-device-use.txt docs: Fix qdev-device-use.txt typo in -chardev serial, path=COM<NUM> 2011-09-09 09:43:17 +01:00
qemupciserial.inf Docs: Introduce multiport serial support in qemupciserial.inf. 2014-03-12 10:33:23 +01:00
qmp-events.txt qmp event: Refactor QUORUM_REPORT_BAD 2016-03-14 16:46:43 +01:00
qmp-intro.txt docs: Move files from docs/qmp/ to docs/ 2015-10-12 18:44:53 +02:00
qmp-spec.txt qapi: Update docs to match recent generator changes 2016-03-05 10:41:16 +01:00
rcu.txt doc/rcu: fix g_free_rcu() usage example 2015-10-19 10:13:07 +02:00
rdma.txt rdma: Fix incorrect description in comments 2014-09-20 17:55:53 +04:00
replay.txt replay: introduce block devices record/replay 2016-03-30 12:15:57 +02:00
spice-port-fqdn.txt docs: add spice-port-fqdn.txt 2012-12-17 14:01:41 +01:00
throttle.txt docs: Document the throttling infrastructure 2016-02-22 14:08:07 +01:00
tracing.txt trace: Add 'vcpu' event property to trace guest vCPU 2016-03-01 13:27:10 +00:00
usb2.txt usb: update docs for bus name change 2013-04-03 11:39:43 +02:00
usb-storage.txt Fix typos and misspellings 2013-03-22 13:25:07 +01:00
virtio-balloon-stats.txt virtio-balloon: return empty data when no stats are available 2014-05-25 12:46:58 +03:00
virtio-migration.txt virtio: add some migration doc 2015-10-22 14:34:48 +03:00
vnc-ledstate-Pseudo-encoding.txt doc: document the Pseudo-encoding of LED state 2013-04-29 08:28:51 -05:00
win32-qemu-event.promela qemu-thread: add a fast path to the Win32 QemuEvent 2015-09-24 20:52:28 +02:00
writing-qmp-commands.txt error: More error_setg() usage 2015-11-11 18:56:26 +01:00
xbzrle.txt xbzrle: optimize XBZRLE to decrease the cache misses 2015-01-15 17:49:43 +05:30
xen-save-devices-state.txt Introduce "xen-save-devices-state" 2012-03-19 18:21:00 +00:00