linux-kernel - [PATCH 0/2] RT: Enhance PREEMPT

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Message-ID: <20070810140745.12966.8464.stgit@lsg>
Date:	Fri, 10 Aug 2007 08:14:08 -0600
From:	Gregory Haskins <ghaskins@...ell.com>
To:	mingo@...e.hu
Cc:	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	ghaskins@...ell.com
Subject: [PATCH 0/2] RT: Enhance PREEMPT_TRACE with deeper stacks

This series changes the PREEMPT-TRACE behavior for reporting critical
sections.  The previous code reported 2 frames per section.  The new code uses
the save_stack_trace facility to save an arbitrary number of frames (currently
set to 5 via a #define)

For what its worth, these patches assisted me with debugging some issues in
-rt.  The second patch is really a workaround for where X86_64 frame-pointers
apparently are not working under certain circumstances.

Signed-off-by: Gregory Haskins <ghaskins@...ell.com>
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