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Re: [Qemu-devel] [RFC PATCH v5 00/24] replay additions
From: |
Pavel Dovgalyuk |
Subject: |
Re: [Qemu-devel] [RFC PATCH v5 00/24] replay additions |
Date: |
Tue, 30 Jan 2018 08:57:03 +0300 |
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Pavel Dovgalyuk
> -----Original Message-----
> From: Pavel Dovgalyuk [mailto:address@hidden
> Sent: Tuesday, January 23, 2018 11:53 AM
> To: address@hidden
> Cc: address@hidden; address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden; address@hidden;
> address@hidden
> Subject: [RFC PATCH v5 00/24] replay additions
>
> This set of patches includex fixes from Alex Bennée for fixing
> BQL and replay locks after inventing the MTTCG. It also includes some
> additional replay patches that makes this set of fixes working.
> It is also 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
>
> There is also a set of helper scripts written by Alex Bennée
> for debugging the record/replay code.
>
> v5 changes:
> - removed patch for narrowing BQL-protected code
> - disabled bdrv_(drain/flush)_all for record/replay mode
>
> v4 changes:
> - removed upstreamed patches
> - added patch for saving async queue state in replay
> - minor fixes
>
> v3 changes:
> - removed upstreamed patches
> - fixed bug with recursive checkpoints
> - fixed bug with icount warp checkpoint
>
> v2 changes:
> - updated lock/unlock logic (as suggested by Paolo Bonzini)
> - updated cpu execution loop to avoid races in setting/resetting exit
> request (as suggested
> by Paolo Bonzini)
> - minor changes
>
> ---
>
> Alex Bennée (7):
> target/arm/arm-powertctl: drop BQL assertions
> cpus: push BQL lock to qemu_*_wait_io_event
> replay/replay.c: bump REPLAY_VERSION again
> replay/replay-internal.c: track holding of replay_lock
> replay: make locking visible outside replay code
> replay: push replay_mutex_lock up the call tree
> scripts/replay-dump.py: replay log dumper
>
> Pavel Dovgalyuk (17):
> cpu-exec: fix exception_index handling
> 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: save prior value of the host clock
> hax: remove BQL lock/unlock
> kvm: remove BQL lock/unlock
> replay: don't destroy mutex at exit
> replay: check return values of fwrite
> replay: avoid recursive call of checkpoints
> replay: don't process async events when warping the clock
> replay: save vmstate of the asynchronous events
> replay: don't drain/flush bdrv queue while RR is working
>
>
> accel/kvm/kvm-all.c | 3
> accel/tcg/cpu-exec.c | 5 +
> block/blkreplay.c | 73 +++++++++++
> block/io.c | 22 +++
> cpus.c | 47 +++++--
> docs/replay.txt | 91 +++++++++++++
> include/qemu/timer.h | 14 ++
> include/sysemu/replay.h | 19 +++
> migration/savevm.c | 13 ++
> replay/replay-char.c | 21 +--
> replay/replay-events.c | 73 +++++------
> replay/replay-internal.c | 48 ++++++-
> replay/replay-internal.h | 15 ++
> replay/replay-snapshot.c | 12 ++
> replay/replay-time.c | 10 +
> replay/replay.c | 62 ++++++---
> scripts/replay-dump.py | 308
> +++++++++++++++++++++++++++++++++++++++++++++
> stubs/replay.c | 16 ++
> target/arm/arm-powerctl.c | 8 -
> target/i386/hax-all.c | 2
> util/main-loop.c | 17 ++
> util/qemu-timer.c | 12 ++
> vl.c | 12 +-
> 23 files changed, 777 insertions(+), 126 deletions(-)
> create mode 100755 scripts/replay-dump.py
>
> --
> Pavel Dovgalyuk
- [Qemu-devel] [RFC PATCH v5 16/24] replay: make locking visible outside replay code, (continued)
- [Qemu-devel] [RFC PATCH v5 16/24] replay: make locking visible outside replay code, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 17/24] replay: push replay_mutex_lock up the call tree, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 18/24] replay: don't destroy mutex at exit, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 19/24] replay: check return values of fwrite, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 20/24] replay: avoid recursive call of checkpoints, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 22/24] replay: don't process async events when warping the clock, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 21/24] scripts/replay-dump.py: replay log dumper, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 23/24] replay: save vmstate of the asynchronous events, Pavel Dovgalyuk, 2018/01/23
- [Qemu-devel] [RFC PATCH v5 24/24] replay: don't drain/flush bdrv queue while RR is working, Pavel Dovgalyuk, 2018/01/23
- Re: [Qemu-devel] [RFC PATCH v5 00/24] replay additions, no-reply, 2018/01/23
- Re: [Qemu-devel] [RFC PATCH v5 00/24] replay additions,
Pavel Dovgalyuk <=