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Re: [Qemu-devel] hmp interface for kdump compressed format
From: |
Christian Borntraeger |
Subject: |
Re: [Qemu-devel] hmp interface for kdump compressed format |
Date: |
Fri, 21 Mar 2014 10:38:28 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
On 21/03/14 10:31, address@hidden wrote:
[....]
>>> Another option would be to leave the current command intact, and add an
>>> independent command that wouldn't take "begin", "end", nor "paging", but
>>> would take compression format.
>>
>> Another possibility is to kill begin/length from the dump-guest-memory
>> command.
>> HMP is not stable, so if that's useful we can do it.
>
> AFAIK, kdump-compressed format can only be analyzed by crash-utility right
> now. ELF is big but we still need it, then begin/length will help us save
> time and space when only part of the memory is need.
>
> IMHO, a new HMP command will be a good choice and it is more simple than
> making dump format 'stateful'. I am not so clear about HMP, but I think
> the new HMP command can be 'dump-guest-memory-with-format', and still
> base on qmp_dump_guest_memory. If you guys like it, I will send a patch
> that add this command.
Yes, please do, if you find the time.
Maybe user "dump-guest-memory-format" or whatever comes up might be a better
name, though.
Thanks a lot
Christian
- [Qemu-devel] hmp interface for kdump compressed format, Christian Borntraeger, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, Laszlo Ersek, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, Laszlo Ersek, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, Christian Borntraeger, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, Laszlo Ersek, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, Paolo Bonzini, 2014/03/20
- Re: [Qemu-devel] hmp interface for kdump compressed format, address@hidden, 2014/03/21
- Re: [Qemu-devel] hmp interface for kdump compressed format,
Christian Borntraeger <=
- Re: [Qemu-devel] hmp interface for kdump compressed format, Markus Armbruster, 2014/03/26
- Re: [Qemu-devel] hmp interface for kdump compressed format, address@hidden, 2014/03/26
- Re: [Qemu-devel] hmp interface for kdump compressed format, Markus Armbruster, 2014/03/27