From: Laszlo Ersek <lersek@redhat.com>
To: qiaonuohan <qiaonuohan@cn.fujitsu.com>
Cc: stefanha@gmail.com, qemu-devel@nongnu.org,
lcapitulino@redhat.com, anderson@redhat.com,
kumagai-atsushi@mxc.nes.nec.co.jp, afaerber@suse.de
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 [thread overview]
Message-ID: <52E913FD.80105@redhat.com> (raw)
In-Reply-To: <1390890126-17377-13-git-send-email-qiaonuohan@cn.fujitsu.com>
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 <qiaonuohan@cn.fujitsu.com>
> ---
> 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 <lersek@redhat.com>
next prev parent reply other threads:[~2014-01-29 14:45 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-28 6:21 [Qemu-devel] [PATCH v8 00/13] Make 'dump-guest-memory' dump in kdump-compressed format qiaonuohan
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 01/13] dump: const-qualify the buf of WriteCoreDumpFunction qiaonuohan
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 02/13] dump: add argument to write_elfxx_notes qiaonuohan
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 03/13] dump: add API to write header of flatten format qiaonuohan
2014-02-10 19:35 ` Luiz Capitulino
2014-02-10 21:57 ` Laszlo Ersek
2014-02-10 22:48 ` Luiz Capitulino
2014-02-10 23:20 ` Laszlo Ersek
2014-02-11 9:06 ` Markus Armbruster
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 04/13] dump: add API to write vmcore qiaonuohan
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 05/13] dump: add API to write elf notes to buffer qiaonuohan
2014-01-28 6:21 ` [Qemu-devel] [PATCH v8 06/13] dump: add support for lzo/snappy qiaonuohan
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 07/13] dump: add members to DumpState and init some of them qiaonuohan
2014-01-29 14:11 ` Laszlo Ersek
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 08/13] dump: add API to write dump header qiaonuohan
2014-01-28 11:51 ` Ekaterina Tumanova
2014-01-28 13:37 ` Laszlo Ersek
2014-01-28 14:42 ` Ekaterina Tumanova
2014-01-28 14:55 ` Laszlo Ersek
2014-01-29 1:39 ` Qiao Nuohan
2014-01-29 14:19 ` Laszlo Ersek
2014-01-30 17:14 ` Ekaterina Tumanova
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 09/13] dump: add API to write dump_bitmap qiaonuohan
2014-01-29 14:32 ` Laszlo Ersek
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 10/13] dump: add APIs to operate DataCache qiaonuohan
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 11/13] dump: add API to write dump pages qiaonuohan
2014-01-29 14:39 ` Laszlo Ersek
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 12/13] dump: make kdump-compressed format available for 'dump-guest-memory' qiaonuohan
2014-01-29 14:45 ` Laszlo Ersek [this message]
2014-01-28 6:22 ` [Qemu-devel] [PATCH v8 13/13] dump: add 'query-dump-guest-memory-capability' command qiaonuohan
2014-02-10 19:10 ` Luiz Capitulino
2014-02-10 22:02 ` Laszlo Ersek
2014-02-10 23:09 ` Paolo Bonzini
2014-02-10 23:09 ` Paolo Bonzini
2014-02-10 23:30 ` Laszlo Ersek
2014-02-10 23:34 ` Paolo Bonzini
2014-02-11 0:22 ` Laszlo Ersek
2014-02-11 2:37 ` Qiao Nuohan
2014-02-11 2:47 ` Luiz Capitulino
2014-02-11 3:20 ` Qiao Nuohan
2014-02-11 7:19 ` Paolo Bonzini
2014-02-11 13:26 ` Eric Blake
2014-02-12 3:13 ` [Qemu-devel] [PATCH v9 " Qiao Nuohan
2014-02-12 3:29 ` Eric Blake
2014-02-12 6:34 ` [Qemu-devel] [PATCH v10 " Qiao Nuohan
2014-02-12 14:49 ` Luiz Capitulino
2014-02-13 1:48 ` Qiao Nuohan
2014-02-13 2:57 ` Luiz Capitulino
2014-02-13 13:13 ` Eric Blake
2014-02-13 13:45 ` Luiz Capitulino
2014-01-28 6:37 ` [Qemu-devel] [PATCH v8 00/13] Make 'dump-guest-memory' dump in kdump-compressed format Qiao Nuohan
2014-01-29 14:50 ` Laszlo Ersek
2014-01-30 17:01 ` [Qemu-devel] [PATCH] Define the architecture for compressed dump format Ekaterina Tumanova
2014-01-30 17:20 ` Laszlo Ersek
2014-01-31 13:45 ` [Qemu-devel] [PATCH v2] Define guest architecture for the compressed dump header Ekaterina Tumanova
2014-01-31 13:45 ` [Qemu-devel] [PATCH v2] Define the architecture for compressed dump format Ekaterina Tumanova
2014-01-31 13:56 ` Christian Borntraeger
2014-01-31 14:11 ` Laszlo Ersek
2014-01-31 15:04 ` [Qemu-devel] [PATCH v3 0/1] Detect arch for dump compressed header Ekaterina Tumanova
2014-01-31 15:04 ` [Qemu-devel] [PATCH v3 1/1] Define the architecture for compressed dump format Ekaterina Tumanova
2014-02-13 13:50 ` Luiz Capitulino
2014-01-31 17:14 ` [Qemu-devel] [PATCH v3 0/1] Detect arch for dump compressed header Laszlo Ersek
2014-02-10 21:23 ` Luiz Capitulino
2014-02-10 22:06 ` Laszlo Ersek
2014-02-10 3:34 ` Qiao Nuohan
2014-02-10 8:29 ` Laszlo Ersek
2014-02-10 8:57 ` Qiao Nuohan
2014-02-10 13:24 ` Luiz Capitulino
2014-02-11 17:00 ` [Qemu-devel] [PATCH v8 00/13] Make 'dump-guest-memory' dump in kdump-compressed format Luiz Capitulino
2014-02-17 17:51 ` Luiz Capitulino
2014-02-18 6:16 ` Qiao Nuohan
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