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Re: [Qemu-devel] [PATCH v5 0/7] Deterministic replay extensions
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH v5 0/7] Deterministic replay extensions |
Date: |
Thu, 24 Mar 2016 12:59:14 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 14.03.2016 um 08:44 hat Pavel Dovgalyuk geschrieben:
> This set of patches is related to the reverse execution and deterministic
> replay of qemu execution. It includes recording and replaying of serial
> devices
> and block devices operations.
>
> With these patches one can record and deterministically replay behavior
> of the system with connected disk drives and serial communication ports
> (e.g., telnet terminal).
>
> Patches for deterministic replay of the block devices intercept calls of
> bdrv coroutine functions at the top of block drivers stack.
> To record and replay block operations the drive must be configured
> as following:
> -drive file=disk.qcow,if=none,id=img-direct
> -drive driver=blkreplay,if=none,image=img-direct,id=img-blkreplay
> -device ide-hd,drive=img-blkreplay
>
> blkreplay driver should be inserted between disk image and virtual driver
> controller. Therefore all disk requests may be recorded and replayed.
As Paolo already merged and modified the first three patches, and I
don't feel like having another version and there seems to be no better
maintainer, I fixed and rebased onto the modified part the remaining
four patches and put them into my block tree.
Kevin
- [Qemu-devel] [PATCH v5 3/7] icount: decouple warp calls, (continued)
- [Qemu-devel] [PATCH v5 3/7] icount: decouple warp calls, Pavel Dovgalyuk, 2016/03/14
- [Qemu-devel] [PATCH v5 4/7] block: add flush callback, Pavel Dovgalyuk, 2016/03/14
- [Qemu-devel] [PATCH v5 5/7] replay: bh scheduling fix, Pavel Dovgalyuk, 2016/03/14
- [Qemu-devel] [PATCH v5 6/7] replay: fix error message, Pavel Dovgalyuk, 2016/03/14
- [Qemu-devel] [PATCH v5 7/7] replay: introduce block devices record/replay, Pavel Dovgalyuk, 2016/03/14
- Re: [Qemu-devel] [PATCH v5 0/7] Deterministic replay extensions, Igor R, 2016/03/15
- Re: [Qemu-devel] [PATCH v5 0/7] Deterministic replay extensions,
Kevin Wolf <=