This set of patches fixes some vmstate creation (and loading) issues
in record/replay modes:
- VM start/stop fixes in replay mode
- overlay creation for blkreplay filter
- fixes for vmstate save/load in record/replay mode
- fixes for host clock vmstate
- fixes for icount timers vmstate
v9 changes:
- Added vmstate for host clock parameters and icount timers
- Fixed replay event queue issues
- Fixed vm stopping while recording or replaying the execution
- Fixed save/load vmstate issues in record/replay mode
v8 changes:
- Refined replay exception processing (as suggested by Paolo Bonzini)
- Saving/restoring static variable for APIC only once (as suggested by Paolo
Bonzini)
- Removed already queued patches
- Minor fixes
v7 changes:
- Fixed exception replaying when TB cache is full and
when tb_find is called when there are no instructions about to execute
- Added record/replay for audio devices
v6 changes:
- Added overlay creation for blkreplay driver
- Fixed vmstate loading for apic and rtc
- Fixed instruction counting for apic instruction patching
v5 changes:
- Recording is stopped when initial snapshot cannot be created
- Minor changes
v4 changes:
- Overlay option is removed from blkreplay driver (as suggested by Paolo
Bonzini)
- Minor changes
v3 changes:
- Added rrsnapshot option for specifying the initial snapshot name (as
suggested by Paolo Bonzini)
- Minor changes
---
Pavel Dovgalyuk (10):
block: implement bdrv_snapshot_goto for blkreplay
blkreplay: create temporary overlay for underlaying devices
replay: disable default snapshot for record/replay
replay: fix processing async events
replay: fixed replay_enable_events
replay: fix save/load vm for non-empty queue
replay: added replay log format description
replay: make safe vmstop at record/replay
replay: save prior value of the host clock
icount: fixed saving/restoring of icount warp timers
block/blkreplay.c | 73 +++++++++++++++++++++++++++++++++++++
cpus.c | 90 +++++++++++++++++++++++++++++++++++-----------
docs/replay.txt | 69 +++++++++++++++++++++++++++++++++++
include/qemu/timer.h | 14 +++++++
include/sysemu/replay.h | 3 ++
migration/savevm.c | 13 +++++++
replay/replay-events.c | 12 ++++--
replay/replay-internal.h | 2 +
replay/replay-snapshot.c | 9 +++++
stubs/replay.c | 1 +
util/qemu-timer.c | 12 ++++++
vl.c | 10 ++++-
12 files changed, 279 insertions(+), 29 deletions(-)
--
Pavel Dovgalyuk
