From: "Luis Claudio R. Goncalves" <lclaudio@uudg.org>
To: ratheesh k <ratheesh.ksz@gmail.com>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: print user stack
Date: Sat, 23 Oct 2010 11:26:29 -0200 [thread overview]
Message-ID: <20101023132629.GC3163@uudg.org> (raw)
In-Reply-To: <AANLkTim5r_GoCDp0oKmEjWbf+64UL1r35_3GmCow1ETD@mail.gmail.com>
On Sat, Oct 23, 2010 at 05:46:35PM +0530, ratheesh k wrote:
| I had a strange problem of core file getting truncated. I could not
| find any stack trace.
|
|
| So, i wrote a kernel module. Which will find a task_struct using pid.
| find_task_jby_pid.
| then i used show_stack for the same task struct to list out the stack
| trace. But it is printing the kernel stack not user stack. Any idea
| how to print user stack .
Sorry if that sounds silly, but have you verified your core file size limit
(ulimit -c)?
About printing the user stack from whithin the kernel, I understand the
utrace folks were working on that.
Cheers,
Luis
--
[ Luis Claudio R. Goncalves Bass - Gospel - RT ]
[ Fingerprint: 4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8 ]
next prev parent reply other threads:[~2010-10-23 13:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-23 12:16 print user stack ratheesh k
2010-10-23 13:18 ` RT scheduling / scheduling of RT groups Armin Steinhoff
2010-10-24 10:12 ` Armin Steinhoff
2010-10-25 19:37 ` Xianghua Xiao
2010-10-23 13:26 ` Luis Claudio R. Goncalves [this message]
2010-10-23 14:31 ` print user stack ratheesh k
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