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Re: [Qemu-devel] [PATCH v2 0/8] Add basic "detach" support for dump-gues
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/8] Add basic "detach" support for dump-guest-memory |
Date: |
Fri, 27 Nov 2015 13:28:15 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, 11/27 10:48, Peter Xu wrote:
> Sorry that this v2 series cannot be aligned with the v1 series. One
> patch is added at the begining of the series to do some code
> cleanups (also fix potential memory leak). Meanwhile, several new
> patches are appended to the v1 series. Please see the change log for
> more info.
Looks good overall! I've replied patches with a few questions. Thanks!
Fam
>
> v2 changes:
> - fixed English errors [Drew]
> - reordered the "detach" field, first make it optional, then make sure
> it's order is consistent [Drew, Fam]
> - added doc for new detach flag [Eric]
> - collected error msg even detached [Drew]
> - added qmp event DUMP_COMPLETED to notify user [Eric, Fam]
> - added "dump-query" QMP & HMP commands to query dump status [Eric]
> - "stop" is not allowed when dump in background (also include
> "cont" and "dump-guest-memory") [Fam]
> - added codes to calculate how many dump work finished, which could
> be queried from "dump-query" [Laszlo]
> - added list to track all used MemoryRegion objects, also ref before
> use [Paolo]
> - dump-guest-memory will be forbidden during incoming migrate [Paolo]
> - taking rcu lock when collecting memory info [Paolo]
>
> Test Done:
> - QMP & HMP
> - test default dump (sync), work as usual
> - test detached dump, command return immediately. When dump
> finished, will receive event DUMP_COMPLETED with a message.
> - test dump-query before/during/after dump
> - test kdump with zlib compression, w/ and w/o detach
> - libvirt
> - test "virsh dump --memory-only" with default format and
> kdump-zlib format, work as usual
>
> Peter Xu (8):
> dump-guest-memory: cleanup: removing dump_{error|cleanup}().
> dump-guest-memory: add "detach" flag for QMP/HMP interfaces.
> dump-guest-memory: add basic "detach" support.
> dump-guest-memory: add qmp event DUMP_COMPLETED
> dump-query: add "dump-query" command to query dump status
> dump-query: implement "status" of "dump-query" command.
> DumpState: adding total_size and written_size fields
> dump-query: make the percentage accurate.
>
> docs/qmp-events.txt | 12 ++
> dump.c | 284
> ++++++++++++++++++++++++++++++++--------
> hmp-commands.hx | 20 ++-
> hmp.c | 18 ++-
> hmp.h | 1 +
> include/qemu-common.h | 8 ++
> include/sysemu/dump.h | 28 ++++
> include/sysemu/memory_mapping.h | 8 ++
> memory_mapping.c | 46 ++++++-
> qapi-schema.json | 29 +++-
> qapi/event.json | 10 ++
> qmp-commands.hx | 35 ++++-
> qmp.c | 14 ++
> 13 files changed, 450 insertions(+), 63 deletions(-)
>
> --
> 2.4.3
>
>
- [Qemu-devel] [PATCH v2 4/8] dump-guest-memory: add qmp event DUMP_COMPLETED, (continued)
- [Qemu-devel] [PATCH v2 4/8] dump-guest-memory: add qmp event DUMP_COMPLETED, Peter Xu, 2015/11/26
- [Qemu-devel] [PATCH v2 5/8] dump-query: add "dump-query" command to query dump status, Peter Xu, 2015/11/26
- [Qemu-devel] [PATCH v2 6/8] dump-query: implement "status" of "dump-query" command., Peter Xu, 2015/11/26
- [Qemu-devel] [PATCH v2 7/8] DumpState: adding total_size and written_size fields, Peter Xu, 2015/11/26
- [Qemu-devel] [PATCH v2 8/8] dump-query: make the percentage accurate., Peter Xu, 2015/11/26
- Re: [Qemu-devel] [PATCH v2 0/8] Add basic "detach" support for dump-guest-memory, Peter Xu, 2015/11/26
- Re: [Qemu-devel] [PATCH v2 0/8] Add basic "detach" support for dump-guest-memory,
Fam Zheng <=