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Re: [Qemu-devel] [PATCH v8 12/13] dump: make kdump-compressed format ava
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [PATCH v8 12/13] dump: make kdump-compressed format available for 'dump-guest-memory' |
Date: |
Wed, 29 Jan 2014 15:45:17 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131118 Thunderbird/17.0.11 |
On 01/28/14 07:22, qiaonuohan wrote:
> Make monitor command 'dump-guest-memory' be able to dump in kdump-compressed
> format. The command's usage:
>
> dump [-p] protocol [begin] [length] [format]
>
> 'format' is used to specified the format of vmcore and can be:
> 1. 'elf': ELF format, without compression
> 2. 'kdump-zlib': kdump-compressed format, with zlib-compressed
> 3. 'kdump-lzo': kdump-compressed format, with lzo-compressed
> 4. 'kdump-snappy': kdump-compressed format, with snappy-compressed
> Without 'format' being set, it is same as 'elf'. And if non-elf format is
> specified, paging and filter is not allowed.
>
> Note:
> 1. The kdump-compressed format is readable only with the crash utility and
> makedumpfile, and it can be smaller than the ELF format because of the
> compression support.
> 2. The kdump-compressed format is the 6th edition.
>
> Signed-off-by: Qiao Nuohan <address@hidden>
> ---
> dump.c | 131
> +++++++++++++++++++++++++++++++++++++++++++++++++++---
> hmp.c | 5 ++-
> qapi-schema.json | 25 ++++++++++-
> qmp-commands.hx | 7 ++-
> 4 files changed, 158 insertions(+), 10 deletions(-)
Reviewed-by: Laszlo Ersek <address@hidden>
- [Qemu-devel] [PATCH v8 00/13] Make 'dump-guest-memory' dump in kdump-compressed format, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 03/13] dump: add API to write header of flatten format, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 02/13] dump: add argument to write_elfxx_notes, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 13/13] dump: add 'query-dump-guest-memory-capability' command, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 11/13] dump: add API to write dump pages, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 12/13] dump: make kdump-compressed format available for 'dump-guest-memory', qiaonuohan, 2014/01/28
- Re: [Qemu-devel] [PATCH v8 12/13] dump: make kdump-compressed format available for 'dump-guest-memory',
Laszlo Ersek <=
- [Qemu-devel] [PATCH v8 10/13] dump: add APIs to operate DataCache, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 06/13] dump: add support for lzo/snappy, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 09/13] dump: add API to write dump_bitmap, qiaonuohan, 2014/01/28
- [Qemu-devel] [PATCH v8 08/13] dump: add API to write dump header, qiaonuohan, 2014/01/28