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Re: [Libunwind-devel] libunwind, perf and DWARF callchains
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From: |
Arun Sharma |
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Subject: |
Re: [Libunwind-devel] libunwind, perf and DWARF callchains |
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Date: |
Mon, 3 Feb 2014 07:47:17 -0800 |
On Mon, Feb 3, 2014 at 6:45 AM, Mauro Andreolini
<address@hidden> wrote:
>> If this is happening only in glibc, there is a good chance that there
>> is a piece of hand written assembly and some dwarf CFI that libunwind
>> doesn't understand yet.
> It might be. Are there any instructions on how to recompile libunwind
> with debug support and run some tests?
http://lists.nongnu.org/archive/html/libunwind-devel/2013-03/msg00008.html
./configure --enable-debug
UNW_DEBUG_LEVEL=1 ./failing-test
should provide more data about the failure.
Increase the debug level if it doesn't tell you what's going on.
-Arun