makedumpfile-1.1.5: Xen support

Itsuro ODA oda at valinux.co.jp
Mon Aug 13 19:27:17 EDT 2007


Hi,

> Hmm, adding to skip zero-filled pages is easy but I wonder
> how effective it is ...

I found it is sometimes effective.

The attached patch enables the "-d" option with --xen-syms.
Note that only the level 1 (skip zero-filled pages) is supported.

ex. # makedumpfile -E -d 1 --xen-syms xen-syms.debug vmcore output

Thanks.
Itsuro Oda

On Tue, 31 Jul 2007 07:19:48 +0900
Itsuro ODA <oda at valinux.co.jp> wrote:

> Hi,
> 
> > Is the "-d" dump_level option completely ignored, or can it
> > (without vmlinux awareness) recognize and skip zero-filled
> > pages?
> 
> Yes, "-d" is ignored.
> 
> Hmm, adding to skip zero-filled pages is easy but I wonder
> how effective it is ...
> 
> Thanks.
> -- 
> Itsuro ODA <oda at valinux.co.jp>
> 
> 
> _______________________________________________
> kexec mailing list
> kexec at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexe
-- 
Itsuro ODA <oda at valinux.co.jp>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: patch-zero-070810
Type: application/octet-stream
Size: 2218 bytes
Desc: not available
Url : http://lists.infradead.org/pipermail/kexec/attachments/20070814/ffa9c5f7/attachment.obj 


More information about the kexec mailing list