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[Qemu-devel] [PATCH v2 00/10] replay additions
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH v2 00/10] replay additions |
Date: |
Thu, 15 Sep 2016 12:00:43 +0300 |
User-agent: |
StGit/0.16 |
This set of patches includes several fixes for replay and
adds network record/replay for network devices. It also makes possible
saving/restoring vmstate in replay mode.
Record and replay for network interactions is performed with the network filter.
Each backend must have its own instance of the replay filter as follows:
-netdev user,id=net1 -device rtl8139,netdev=net1
-object filter-replay,id=replay,netdev=net1
This patches add overlay option for blkreplay block driver. Using persistent
overlay file allows saving and reloading VM snapshots in replay mode.
Replay mechanism automatically creates one snapshot named 'replay_init' to
allow rewinding execution while replaying.
Overlay file may be specified as follows:
-drive file=disk.qcow,if=none,id=img-direct
-drive
driver=blkreplay,if=none,image=img-direct,overlay=overlay.qcow2,id=img-blkreplay
-device ide-hd,drive=img-blkreplay
This set of patches includes fixes and additions for icount and
record/replay implementation:
- Enabling VM start/stop in replay mode
- Adding network interaction record/replay
- Adding overlay option for blkreplay filter
- Fixes of the vmstate for several virtual devices
---
Pavel Dovgalyuk (10):
record/replay: add network support
block: set snapshot option for block devices in blkreplay module
block: don't make snapshots for filters
replay: save/load initial state
replay: move internal data to the structure
replay: vmstate for replay module
replay: allow replay stopping and restarting
kvmvapic: fix state change handler
pcspk: adding vmstate for save/restore
integratorcp: adding vmstate for save/restore
block/blkreplay.c | 132 +++++++++++++++++++++++++++++++++++++++++++---
block/snapshot.c | 3 +
cpus.c | 1
docs/replay.txt | 22 ++++++++
hw/arm/integratorcp.c | 62 ++++++++++++++++++++++
hw/audio/pcspk.c | 17 +++++-
hw/i386/kvmvapic.c | 1
include/sysemu/replay.h | 26 +++++++++
net/Makefile.objs | 1
net/filter-replay.c | 90 +++++++++++++++++++++++++++++++
replay/Makefile.objs | 2 +
replay/replay-events.c | 21 +++++++
replay/replay-internal.c | 19 +++----
replay/replay-internal.h | 26 +++++++--
replay/replay-net.c | 110 ++++++++++++++++++++++++++++++++++++++
replay/replay-snapshot.c | 72 +++++++++++++++++++++++++
replay/replay-time.c | 2 -
replay/replay.c | 17 +++---
stubs/replay.c | 5 ++
vl.c | 9 ++-
20 files changed, 599 insertions(+), 39 deletions(-)
create mode 100644 net/filter-replay.c
create mode 100644 replay/replay-net.c
create mode 100644 replay/replay-snapshot.c
--
Pavel Dovgalyuk
- [Qemu-devel] [PATCH v2 00/10] replay additions,
Pavel Dovgalyuk <=
- [Qemu-devel] [PATCH v2 03/10] block: don't make snapshots for filters, Pavel Dovgalyuk, 2016/09/15
- [Qemu-devel] [PATCH v2 01/10] record/replay: add network support, Pavel Dovgalyuk, 2016/09/15
- [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/15
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Pavel Dovgalyuk, 2016/09/16
- Re: [Qemu-devel] [PATCH v2 02/10] block: set snapshot option for block devices in blkreplay module, Paolo Bonzini, 2016/09/16
[Qemu-devel] [PATCH v2 04/10] replay: save/load initial state, Pavel Dovgalyuk, 2016/09/15