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replay: checkpoints

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This patch introduces checkpoints that synchronize cpu thread and iothread.
When checkpoint is met in the code all asynchronous events from the queue
are executed.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150917162444.8676.52916.stgit@PASHA-ISP.def.inno>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
This commit is contained in:
Pavel Dovgalyuk 2015-09-17 19:24:44 +03:00 • committed by Paolo Bonzini
parent efab87cf79
commit 8bd7f71d79
7 changed files with 134 additions and 12 deletions
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4
replay/replay-internal.h
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@ -29,6 +29,10 @@ enum ReplayEvents {
/* some of greater codes are reserved for clocks */
EVENT_CLOCK,
EVENT_CLOCK_LAST = EVENT_CLOCK + REPLAY_CLOCK_COUNT - 1,
/* for checkpoint event */
/* some of greater codes are reserved for checkpoints */
EVENT_CHECKPOINT,
EVENT_CHECKPOINT_LAST = EVENT_CHECKPOINT + CHECKPOINT_COUNT - 1,
EVENT_COUNT
};