Hello Luiz and Amos,
My patches are waiting for introspection. But now I cannot quite catch the
situation of introspection, so I hope to get some information about current
state from you. It will be very appreciated.
On 07/09/2013 03:36 PM, Qiao Nuohan wrote:
On 07/09/2013 03:30 PM, Qiao
am still waiting for introspection. And your
patches seem good to me.
--
Regards
Qiao Nuohan
On 08/02/2013 11:41 AM, Amos Kong wrote:
On Fri, Aug 02, 2013 at 11:25:17AM +0800, Qiao Nuohan wrote:
On 07/31/2013 09:10 PM, Luiz Capitulino wrote:
QMP introspection didn't make it for 1.6.
Thanks for your info. I will still wait for introspection.
Can you help to review if the outp
On 07/31/2013 09:10 PM, Luiz Capitulino wrote:
QMP introspection didn't make it for 1.6.
Thanks for your info. I will still wait for introspection.
--
Regards
Qiao Nuohan
about this feature is here:
http://lists.nongnu.org/archive/html/qemu-devel/2014-03/msg04235.html
Signed-off-by: Qiao Nuohan
Suggested-by: Christian Borntraeger
---
hmp-commands.hx | 11 +++
hmp.c | 25 -
2 files changed, 31 insertions(+), 5 deletions(-)
di
the functions are used to write header of kdump-compressed format to vmcore.
Header of kdump-compressed format includes:
1. common header: DiskDumpHeader32 / DiskDumpHeader64
2. sub header: KdumpSubHeader32 / KdumpSubHeader64
3. extra information: only elf notes here
Signed-off-by: Qiao Nuohan
kdump-compressed format supports three compression format, zlib/lzo/snappy.
Currently, only zlib is available. This patch is used to support lzo/snappy.
'--enable-lzo/--enable-snappy' is needed to be specified with configure to make
lzo/snappy available for qemu
Signed-off-by: Q
;
int64_t buf_size;
};
Signed-off-by: Qiao Nuohan
---
dump.c | 28
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index 89baeab..764db39 100644
--- a/dump.c
+++ b/dump.c
@@ -726,6 +726,34 @@ static int write_end_flat_header(int fd
}
<- { "return": {
"format-option": "optional",
"capabilities": [
{"available": true, "format": "elf"},
{"available": true, "format": "kdump-zlib"},
{&
#x27;s comment: fix manner of string copy.
2. Address Eric's comment: replace reinventing new constants by using the
ready-made ones accoring.
3. Address Andreas's comment: remove useless include.
Qiao Nuohan (11):
dump: Add argument to write_elfxx_notes
dump: Add API to write h
int64_t buf_size; /* = -1 */
};
Signed-off-by: Qiao Nuohan
---
dump.c| 40
include/sysemu/dump.h | 17 +
2 files changed, 57 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index 1fa12a2..89baeab 10
ned-off-by: Qiao Nuohan
---
dump.c | 19 +++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index 764db39..3b9cf00 100644
--- a/dump.c
+++ b/dump.c
@@ -76,6 +76,9 @@ typedef struct DumpState {
int64_t begin;
int64_t length;
Error **e
.
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
---
dump.c | 163 ++
DataCache is used to store data temporarily, then the data will be written to
vmcore. These functions will be called later when writing data of page to
vmcore.
Signed-off-by: Qiao Nuohan
---
dump.c| 52 +
include/sysemu/dump.h
functions are used to write page to vmcore. vmcore is written page by page.
page desc is used to store the information of a page, including a page's size,
offset, compression format, etc.
Signed-off-by: Qiao Nuohan
---
dump.c|
write_elf32_notes/wirte_elf64_notes use fd_write_vmcore to write elf notes to
vmcore. Adding parameter "WriteCoreDumpFunction f" makes it available to choose
the method of writing elf notes
Signed-off-by: Qiao Nuohan
---
dump.c | 16
1 files changed, 8 insert
functions are used to write 1st and 2nd dump_bitmap of kdump-compressed format,
which is used to indicate whether the corresponded page is existed in vmcore.
1st and 2nd dump_bitmap are same, because dump level is specified to 1 here.
Signed-off-by: Qiao Nuohan
---
dump.c| 116
mcore directly.
--
Regards
Qiao Nuohan
ve wanted to const-qualify "*buf" here, but it certainly
doesn't warrant a respin.
Acked, I will reflect it in later version.
--
Regards
Qiao Nuohan
s->note_buf + s->note_buf_offset, buf, size);
Giving type "uint8_t" to "*note_buf" would have been preferable.
Addition to a pointer-to-void is a constraint violation in standard C
("... operand shall be a pointer to an object type ..."), ie. it's a gcc
extensi
rts only):"
echo " --source-path=PATH path of source code [$source_path]"
echo " --cross-prefix=PREFIXuse PREFIX for compile tools [$cross_prefix]"
echo " --cc=CC use C compiler CC [$cc]"
...
--
Regards
Qiao Nuohan
Hello Eric, Luiz and Laszlo,
What do you think about my series? And I have add the light-weight
introspection in the last patch, do you have some comments on it?
On 01/05/2014 03:27 PM, Qiao Nuohan wrote:
Hi, all
The last version is here:
http://lists.nongnu.org/archive/html/qemu-devel/2013
On 01/07/2014 03:27 PM, Laszlo Ersek wrote:
I haven't finished reviewing it yet, but thus far (up to& including
patch 05) I'm OK with it.
I see, thanks for your work.
--
Regards
Qiao Nuohan
tself (ie."file:", in qmp_dump_guest_memory()), then due
to the O_TRUNC we can't seek over preexistent data (and keep garbage in
the file). When libvirt pre-opens the file (to send over the fd later),
in doCoreDump(), it also passes O_TRUNC. OK.
Do you mean because of O_TRUNC，seek will exceed the end of the file that may
cause some problem?
--
Regards
Qiao Nuohan
your explanation. I think it would be better to abandon the non-flat
mode to avoid potential risk.
--
Regards
Qiao Nuohan
al" choice. The flat (non-seekable)
format was a surprise to me -- I wouldn't have thought that any debugger
could directly consume that format.
The flat-mode comes from makedumpfile as kdump-compressed format, and crash
utility has already supported it.
--
Regards
Qiao Nuohan
the guest
should only be x86/x86_64, actually, I get no knowledge about other arch, so
what I can do now is just make x86/x86_64 works and be tested.
--
Regards
Qiao Nuohan
configure | 54 +++
dump.c| 972 -
hmp.c |5 +-
include/qom/cpu.h |3 +-
include/sysemu/dump.h | 138 +++
qapi-schema.json | 38 ++-
qmp-commands.hx | 38 ++-
7 files changed, 1228 insertions(+), 20 deletions(-)
--
Regards
Qiao Nuohan
Add API to create header, sub header of vmcore in kdump-compressed format.
The data is store in struct DumpState.
The following patch will use this function to gather data of header, then
write them into vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c
Add API to get data of page desc and page data and save them into tmp files.
The following patch will use these functions to gather data of page desc and
page data, then write them into vmcore
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 254
Hi, all
Command 'dump-guest-memory' was introduced to dump guest's memory. But the
vmcore's format is only elf32 or elf64. The message is here:
http://lists.gnu.org/archive/html/qemu-devel/2012-04/msg03379.html
These patches are used to make 'dump-guest-memory' be able to dump guest's
memory in k
F format because of the compression support.
2. The kdump-compressed format is the 5th edition.
Signed-off-by: Qiao Nuohan
Signed-off-by: Zhang Xiaohe
---
configure | 50 +
dump.c| 96 -
hmp-co
The following patch will use these functions to write cached data into vmcore.
Header is cached in DumpState, and bitmap and page are cached in tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 247
When calling create_header, create_dump_bitmap and create_pages, some memory
spaces
are allocated. The following patch will use this function to free these spaces.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c | 17 +
1 files changed, 17 insertions(+), 0
Move includes and definition of struct DumpState into include/sysemu/dump.h.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 30 --
include/sysemu/dump.h | 31 +++
2 files changed, 31 insertions(+), 30
/cache_data.c b/cache_data.c
new file mode 100644
index 000..8602ef9
--- /dev/null
+++ b/cache_data.c
@@ -0,0 +1,114 @@
+/*
+ * QEMU cache data
+ *
+ * Copyright Fujitsu, Corp. 2013
+ *
+ * Authors:
+ * Qiao Nuohan
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later
Struct dump_bitmap is associated with a tmp file, and the tmp file can be used
to save data of bitmap in kdump-compressed format temporarily.
The following patch will use these functions to get the data of bitmap and cache
them into tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
Add API to get data of the 1st and 2nd dump bitmap and save them into tmp files.
The following patch will use these functions to gather data of dump bitmap,
then write them into vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 98
x27; or '--enable-snappy'
should be used with configure to make lzo or snappy available.
Changelog:
Changes from v1 to v2:
1. Address Eric & Daniel's comment: fix manner of string copy.
2. Address Eric's comment: replace reinventing new constants by using the
ready-
Move includes and definition of struct DumpState into include/sysemu/dump.h.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 29 -
include/sysemu/dump.h | 30 ++
2 files changed, 30 insertions(+), 29
Add API to create header, sub header of vmcore in kdump-compressed format.
The data is store in struct DumpState.
The following patch will use this function to gather data of header, then
write them into vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c
/cache_data.c b/cache_data.c
new file mode 100644
index 000..469ed94
--- /dev/null
+++ b/cache_data.c
@@ -0,0 +1,121 @@
+/*
+ * QEMU cache data
+ *
+ * Copyright Fujitsu, Corp. 2013
+ *
+ * Authors:
+ * Qiao Nuohan
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later
Add API to get data of the 1st and 2nd dump bitmap and save them into tmp files.
The following patch will use these functions to gather data of dump bitmap,
then write them into vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 98
Add API to get data of page desc and page data and save them into tmp files.
The following patch will use these functions to gather data of page desc and
page data, then write them into vmcore
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 259
The following patch will use these functions to write cached data into vmcore.
Header is cached in DumpState, and bitmap and page are cached in tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 259
When calling create_header, create_dump_bitmap and create_pages, some memory
spaces
are allocated. The following patch will use this function to free these spaces.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c | 19 +++
1 files changed, 19 insertions(+), 0
s readable only with the crash utility, and it
can be smaller than the ELF format because of the compression support.
2. The kdump-compressed format is the 5th edition.
Signed-off-by: Qiao Nuohan
Signed-off-by: Zhang Xiaohe
---
configure | 50 +++
dump.c
Struct dump_bitmap is associated with a tmp file, and the tmp file can be used
to save data of bitmap in kdump-compressed format temporarily.
The following patch will use these functions to get the data of bitmap and cache
them into tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
On 05/15/2013 10:55 AM, Eric Blake wrote:
On 05/14/2013 08:29 PM, Qiao Nuohan wrote:
Make monitor command 'dump-guest-memory' dump in kdump-compressed format.
The command's usage:
dump [-p] protocol [begin] [length] [format]
'format' is used to specified the forma
Move includes and definition of struct DumpState into include/sysemu/dump.h.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 29 -
include/sysemu/dump.h | 30 ++
2 files changed, 30 insertions(+), 29
When calling create_header, create_dump_bitmap and create_pages, some memory
spaces are allocated. The following patch will use this function to free these
memory.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c | 19 +++
1 files changed, 19 insertions(+), 0
Struct dump_bitmap is associated with a tmp file which is used to store bitmap
in kdump-compressed format temporarily. The following patch will use these
functions to gather data of bitmap and cache them into tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
Makefile.target
Functions in this patch are used to gather data of 1st and 2nd dump bitmap in
kdump-compressed format. The following patch will use these functions to gather
data of dump bitmap, then cache them into tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c
Struct cache_data is associated with a tmp file which is used to store page
desc and page data in kdump-compressed format temporarily. The following patch
will use these function to gather data of page and cache them in tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
lace reinventing new constants by using the
ready-made ones accoring.
3. Address Andreas's comment: remove useless include.
Qiao Nuohan (9):
Add API to manipulate dump_bitmap
Add API to manipulate cache_data
Move includes and struct definition to dump.h
Add API to create header of vmc
Functions in this patch are used to gather data of page desc and page data in
kdump-compressed format. The following patch will use these functions to gather
data of page, then cache them into tmp files
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 259
Functions in this patch are used to gather data of header and sub header in
kdump-compressed format. The following patch will use these functions to gather
data of header, then cache them into struct DumpState.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c
The following patch will use these functions to write cached data into vmcore.
Header is cached in DumpState, and bitmap and page are cached in tmp files.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 259
s readable only with the crash utility, and it
can be smaller than the ELF format because of the compression support.
2. The kdump-compressed format is the 5th edition.
Signed-off-by: Qiao Nuohan
Signed-off-by: Zhang Xiaohe
---
configur
On 05/17/2013 04:20 PM, Andreas Färber wrote:
Jens and me have been working towards removing the dependency on
CONFIG_HAVE_CORE_DUMP. Would there be any issue building this code
unconditionally using obj-y += dump_bitmap.o ?
No problems will be involved.
--
Regards
Qiao Nuohan
Ping. Any other comments?
On 05/17/2013 11:24 AM, Qiao Nuohan wrote:
Hi, all
The last version is here:
http://lists.gnu.org/archive/html/qemu-devel/2013-05/msg01947.html
Command 'dump-guest-memory' was introduced to dump guest's memory. But the
vmcore's format is only
Function walk_pte needs pte index to calculate virtual address. However, pte
index of PAE paging or IA-32e paging is 9 bit, so the mask should be 0x1ff.
---
target-i386/arch_memory_mapping.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-i386/arch_memory_mapping.c
ne objects.
Well, I have got no reason to object. And thanks.
--
Regards
Qiao Nuohan
Function walk_pte needs pte index to calculate virtual address. However, pte
index of PAE paging or IA-32e paging is 9 bit, so the mask should be 0x1ff.
Signed-off-by: Qiao Nuohan
---
target-i386/arch_memory_mapping.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a
On 05/22/2013 09:21 AM, Qiao Nuohan wrote:
Function walk_pte needs pte index to calculate virtual address. However,
pte
index of PAE paging or IA-32e paging is 9 bit, so the mask should be 0x1ff.
Signed-off-by: Qiao Nuohan
Reviewed by: Jesse Larrew
---
target-i386/arch_memory_mapping.c
Hi eric and luiz,
Does you have some comments on this version?
--
Regards
Qiao Nuohan
["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
Signed-off-by: Qiao Nuohan
---
dump.c | 33 +
qapi-schema.json |9 +
qmp-commands.hx | 23 +++
3 files changed,
["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
Signed-off-by: Qiao Nuohan
---
dump.c | 33 +
qapi-schema.json | 23 +++
qmp-commands.hx | 20
3 f
On 02/12/2014 10:49 PM, Luiz Capitulino wrote:
On Wed, 12 Feb 2014 14:34:19 +0800
Qiao Nuohan wrote:
'query-dump-guest-memory-capability' is used to query the available formats for
'dump-guest-memory'. The output of the command will be like:
-> { "execut
Hello Luiz,
It seems both zlib and lzo will output the error message because of the
incompatible type. And I have fixed patches and sent them to the qemu list.
P.S.
lzo/snappy will need '--enable-lzo' or '--enable-snappy' at configure.
--
Regards
Qiao Nuohan
e
initialization from other patches. You can check the differences between the
reset patches with the last version. And thanks again.
--
Regards
Qiao Nuohan
so
shouldn't be more than a hundred or so (as I recall from earlier
testing). This might be worth some regression-testing (perf-wise), but
it looks OK to me.
I see, moving them into "if(format...) {...}" block would be better. But, I
have no idea of "regression-testing (perf-wise)", would you mind give some hint?
--
Regards
Qiao Nuohan
ry. The last version is:
http://lists.gnu.org/archive/html/qemu-devel/2014-01/msg02139.html
--
Regards
Qiao Nuohan
On 01/28/2014 09:37 PM, Laszlo Ersek wrote:
I seem to recall that Qiao Nuohan stated that he (*) couldn't test this
feature on any other architecture than i686/x86_64.
So my proposal is, let's not block the series based on just this one
point. Let's review it and allow it to be m
+
3 files changed, 8 insertions(+), 2 deletions(-)
Reviewed-by: Qiao Nuohan
Sorry for replying later. The patch seems good to me and works well on my
machine.
P.S.
I have no idea about where to find queued patches, could you give some hint?
--
Regards
Qiao Nuohan
ed.patch
$ scripts/get_maintainer.pl squashed.patch
Luiz Capitulino (supporter:Human Monitor
(HMP),commit_signer:7/25=28%,commit_signer:1/8=12%)
[...]
It's indeed a queue, ie. Luiz can elect to rebase / reorder the buffered
patches from time to time.
Laszlo
Thank you. I will wait for it.
--
Regards
Qiao Nuohan
aolo, your suggestion on 13/13 is
better, but I want to check whether Eric has some comments on it.
Thanks,
Laszlo
--
Regards
Qiao Nuohan
aszlo that, no
matter how unfortunate this is, the "unused" warnings are a necessary
evil and one that can be worked around easily when bisecting.
Yes, I can. But what's the problem with patch 13? For me having Eric's
ACK is enough for applying it. Anything else will be done by QMP
introspection.
Hello Eric,
Need your review here, thanks a lot!!
--
Regards
Qiao Nuohan
add a new command?
On 07/09/2013 03:30 PM, Qiao Nuohan wrote:
Hi, all
The last version is here:
http://lists.gnu.org/archive/html/qemu-devel/2013-05/msg03866.html
Command 'dump-guest-memory' was introduced to dump guest's memory. But the
vmcore's format is only elf32 or el
The last version is here:
http://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg00018.html
ChangLog:
Changes from v7 to v8:
1. add a patch to fix doc of dump-guest-memory
Qiao Nuohan (2):
HMP: fix doc of dump-guest-memory
HMP: support specifying dump format for dump-guest-memory
hmp
Signed-off-by: Qiao Nuohan
---
hmp-commands.hx | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 0da8f28..ca5737b 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1000,10 +1000,10 @@ ETEXI
.name = "
about this feature is here:
http://lists.nongnu.org/archive/html/qemu-devel/2014-03/msg04235.html
Signed-off-by: Qiao Nuohan
Suggested-by: Christian Borntraeger
---
hmp-commands.hx | 13 ++---
hmp.c | 25 ++---
2 files changed, 32 insertions(+), 6 deletions(-)
The last version is here:
http://lists.nongnu.org/archive/html/qemu-devel/2014-04/msg00018.html
ChangLog:
Changes from v7 to v8:
1. add a patch to fix doc of dump-guest-memory
Qiao Nuohan (2):
HMP: fix doc of dump-guest-memory
HMP: support specifying dump format for dump-guest-memory
hmp
about this feature is here:
http://lists.nongnu.org/archive/html/qemu-devel/2014-03/msg04235.html
Signed-off-by: Qiao Nuohan
Suggested-by: Christian Borntraeger
---
hmp-commands.hx | 13 ++---
hmp.c | 25 ++---
2 files changed, 32 insertions(+), 6 deletions(-)
Signed-off-by: Qiao Nuohan
---
hmp-commands.hx | 19 ++-
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index f3fc514..c242770 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -999,25 +999,26 @@ ETEXI
{
.name
nnot avoid conflict only with removing useless headers. So I will
create another head file and move what I want into it.
P.S.
RAMBlock, what I want, may cause conflict.
--
Regards
Qiao Nuohan
> I haven't reviewed it yet, but we need introspection support before merging
> this.
Hello Luiz,
Is it possible to get this reviewed, or I am supposed to wait until
introspection support being settled?
On 05/28/2013 10:50 AM, qiaonuo...@cn.fujitsu.com wrote:
From: Qiao Nuohan
H
ake
too much time, I will choose to wait. However, I cannot figure out how long it
will take, why not get the parts not related to introspection settled first?
Seems Amos's draft will not change qapi-schema.json.
--
Regards
Qiao Nuohan
On 06/10/2013 08:54 PM, Luiz Capitulino wrote:
On Mon, 10 Jun 2013 10:15:35 +0800
Qiao Nuohan wrote:
On 06/05/2013 10:15 AM, Luiz Capitulino wrote:
I can review it until the end of this week. If this series is adding a new
argument (which I believe is what it does) then there's only two
& Daniel's comment: fix manner of string copy.
2. Address Eric's comment: replace reinventing new constants by using the
ready-made ones accoring.
3. Address Andreas's comment: remove useless include.
Qiao Nuohan (9):
dump: Add argument to write_elfxx_notes
dump: Add API to write
functions are used to write 1st and 2nd dump_bitmap of kdump-compressed format,
which is used to indicate whether the corresponded page is existed in vmcore.
Dump level 1 is chosen, so 1st and 2nd dump_bitmap are same.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c
write_elf32_notes/wirte_elf64_notes use fd_write_vmcore to write elf notes to
vmcore. Adding argument "WriteCoreDumpFunction f" makes it available to choose
the way of writing elf notes when calling these two functions.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dum
functions are used to write page desc and page data to vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
configure | 50 +
dump.c| 264 +
include/sysemu/dump.h | 16 +++
3 files changed, 330
;
int64_t buf_size;
};
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c | 28
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index f04d4fc..6f14b8d 100644
--- a/dump.c
+++ b/dump.c
@@ -714,6 +714,34 @@ static int
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 40
include/sysemu/dump.h | 17 +
2 files changed, 57 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index 4e478b1..f04d4fc 100644
--- a/du
DataCache is used to store data temporarily, then the data will be written to
vmcore. These functions will be called later when writing data of page to
vmcore.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c| 52
1. The kdump-compressed format is readable only with the crash utility, and
it can be smaller than the ELF format because of the compression support.
2. The kdump-compressed format is the 5th edition.
Signed-off-by: Qiao Nuohan
Signed-off-by: Zhang Xiaohe
---
dump.c|
in
opaque->note_buf will be used later.
Signed-off-by: Qiao Nuohan
Reviewed-by: Zhang Xiaohe
---
dump.c | 19 +++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/dump.c b/dump.c
index 6f14b8d..d7b3624 100644
--- a/dump.c
+++ b/dump.c
@@ -75,6 +75,9 @@ typedef
the functions are used to write header of kdump-compressed format to vmcore.
Header of kdump-compressed format includes:
1. common header: DiskDumpHeader32 / DiskDumpHeader64
2. sub header: KdumpSubHeader32 / KdumpSubHeader64
3. extra information: only elf notes here
Signed-off-by: Qiao Nuohan
On 07/09/2013 03:30 PM, Qiao Nuohan wrote:
The last version is here:
http://lists.gnu.org/archive/html/qemu-devel/2013-05/msg03866.html
Hi all,
Still waiting for introspection... And comments about format will be very
helpful.
Thanks!
--
Qiao Nuohan
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