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Re: [Libunwind-devel] Unwind user process from kernel
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From: |
Arun Sharma |
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Subject: |
Re: [Libunwind-devel] Unwind user process from kernel |
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Date: |
Thu, 21 Nov 2013 10:36:30 +0530 |
On Thu, Nov 21, 2013 at 3:57 AM, Joman Chu <address@hidden> wrote:
> Hi all,
>
> I'd like to use libunwind in the kernel to look at the stack of a user
> process. I found this message on the mailing list from two years ago[1].
>
> I'm wondering if anybody else has worked on something like this since then.
> Or any advice would be much appreciated.
There were patches to do this on ia64 from 8 years ago:
http://www.gelato.unsw.edu.au/archives/linux-ia64/0505/14111.html
But there have been differing opinions on having a kernel based dwarf unwinder:
https://lkml.org/lkml/2012/2/10/356
-Arun