linux-kernel - Re: [Demo/lkm] Kcoredump -- Do coredump in any where of kernel(not same with kcore)

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Message-ID: <2375c9f90909220231l4833bc75w79403474dc0cab9a@mail.gmail.com>
Date:	Tue, 22 Sep 2009 17:31:31 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Hui Zhu <teawater@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Demo/lkm] Kcoredump -- Do coredump in any where of kernel(not 
	same with kcore)

On Tue, Sep 22, 2009 at 4:41 PM, Hui Zhu <teawater@...il.com> wrote:
> Hi guys,
>
> Kcoredump do a coredump in most part of kernel (it use kprobe, it can
> be set most of part of kernel).  For example:
> insmod kcoredump.ko name=do_fork offset=11
> gdb ./vmlinux /proc/kcoredump
> Core was generated by `'.

But what is your point of generating coredump anywhere?
I mean what do you really want by this?

I think we can do this by systemtap+kdump, can't we?

Thanks.
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