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List:       uclinux-dev
Subject:    Re: [uClinux-dev] detecting stack overflow
From:       Jun Sun <jsun () junsun ! net>
Date:       2009-04-03 4:08:23
Message-ID: 20090403040823.GB27230 () srv ! junsun ! net
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On Tue, Mar 31, 2009 at 09:12:24PM +0200, Daniel Glöckner wrote:
> On Tue, Mar 31, 2009 at 03:08:28PM +0200, Erwin Authried wrote:
> > this is very interesting, I didn't know that this exists!
> > How can you get a list of processes with their stack usage?
> 

Indeed, it is for kernel thread stack measurement.  Not very useful.

> As far as I know this tracks the size of the (per-application) kernel stack.
> It won't help you tune your applications.
> 
> In my opinion instrumentation with GCC's -fstack-limit-* parameter is
> the most promising solution. Unfortunately it is supported only on few
> architectures.

Does anybody know or have a link to what arches are supported?

In any case the kernel patch mentioned by Martin Voss should work.

Cheers.

Jun
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