[PATCH 0/2] RT: Enhance PREEMPT_TRACE with deeper stacks

[PATCH 0/2] RT: Enhance PREEMPT_TRACE with deeper stacks · Gregory Haskins <hidden> · 2007-08-10
[PATCH 1/2] Adds full stack to critical-section tracing · Gregory Haskins <hidden> · 2007-08-10
Re: [PATCH 1/2] Adds full stack to critical-section tracing · Daniel Walker <hidden> · 2007-08-30
[PATCH 2/2] Some stacks show up untracable, so fall back to old method in this case · Gregory Haskins <hidden> · 2007-08-10

From: Gregory Haskins <hidden>
Date: 2007-08-10 14:14:26
Also in: lkml

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 <redacted>

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