[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: how to get current cs:eip value for some process while it is in kernel mode?

To: Michal <rabbit50@xxxxxxxxx>
Subject: Re: how to get current cs:eip value for some process while it is in kernel mode?
From: "Mulyadi Santosa" <mulyadi.santosa@xxxxxxxxx>
Date: Thu, 5 Jun 2008 08:39:59 +0700
Cc: "Frédéric Weisbecker" <f.weisbecker@xxxxxxxxx>, kernelnewbies@xxxxxxxxxxxx
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=57DB7oQNrYSZ6soqJHYrZfexLVM2MTRHhlGzKaMteM8=; b=t4beginBPyBfjCtxx4Sb0vy6xurjGxXcTXfGvLXqQuga7n/spZKlOgxluixGnj74Si BVx79yui7K89C0K2TUbJ3xUoNGhGorLRgHJn1VwxOKsrDPkCcQZulZAwjCpCENXa8vf3 Zg9hLb7ZLVb077oYdorYZeWE8V82hsR27CwAo=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=gjs/FCNWWJ/m8P/DAVu9+ATlDWMgwZDkuiaW1iADFVhFq7K9BnB/vAxdEKA0zT2EcD MyfO5bViwNgkGb+66V3mnioEwleDRsN07bH25vMf+289nDDcWfMQ+YFy4ttiCAoVjrho 7oNXhd1dN8uXCNYZNK50kXW1UUzEKHF7Q2hXc=
In-reply-to: <m2prqx9ve5.fsf@tenbit.pl>
List-archive: <http://mail.nl.linux.org/kernelnewbies/>
List-help: <mailto:ecartis@nl.linux.org?Subject=help>
List-id: <kernelnewbies.nl.linux.org>
List-owner: <mailto:ecartis-owner@nl.linux.org>
List-post: <mailto:kernelnewbies@nl.linux.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:kernelnewbies-request@nl.linux.org?Subject=subscribe>
List-unsubscribe: <mailto:kernelnewbies-request@nl.linux.org?Subject=unsubscribe>
References: <m2tzg9bhi3.fsf@tenbit.pl> <70713ac90806040505v54b880dakfc74bc1b4e13287@mail.gmail.com> <m2prqx9ve5.fsf@tenbit.pl>
Sender: kernelnewbies-bounce@xxxxxxxxxxxx

Hi..

On Wed, Jun 4, 2008 at 8:34 PM, Michal <rabbit50@xxxxxxxxx> wrote:
> "Frédéric Weisbecker" <f.weisbecker@xxxxxxxxx> writes:
>
>> You mean how to get your own kernel's task eip?
> No, I mean other process, not current one. I realize that eip changes,
> but my process gets stuck somewhere in the kernel for a longer while
> and I would like to know where:)?

see how show_trace does it at http://lxr.linux.no/linux/arch/um/sys-i386/sysrq.c

But notice that AFAIK eip is only recorded when context switching
between processes happen or right when entering kernel/user space. But
at least, IMHO stack trace can give a good clue where it hung.



regards,

Mulyadi.

--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
Please read the FAQ at http://kernelnewbies.org/FAQ

References:
- how to get current cs:eip value for some process while it is in kernel mode?
  - From: Michal
- Re: how to get current cs:eip value for some process while it is in kernel mode?
  - From: Frédéric Weisbecker
- Re: how to get current cs:eip value for some process while it is in kernel mode?
  - From: Michal

Prev by Date: switching from long mode to compatibility mode
Next by Date: create_proc_info_entry
Previous by thread: Re: how to get current cs:eip value for some process while it is in kernel mode?
Next by thread: Re: how to get current cs:eip value for some process while it is in kernel mode?
Index(es):
- Date
- Thread