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[PING] Re: [PATCH] Fix dwarf2 unwinding through futex functions
- From: Andi Kleen <andi at firstfloor dot org>
- To: libc-alpha at sourceware dot org
- Date: Wed, 25 Sep 2013 19:41:44 -0700
- Subject: [PING] Re: [PATCH] Fix dwarf2 unwinding through futex functions
- Authentication-results: sourceware.org; auth=none
- References: <1378770227-13849-1-git-send-email-andi at firstfloor dot org>
Andi Kleen <andi@firstfloor.org> writes:
> From: Andi Kleen <ak@linux.intel.com>
>
> When profiling programs with lock problems with perf record -g dwarf, libunwind
> can currently not backtrace through the futex and unlock functions in pthread.
> This is because they use out of line sections, and those are not correctly
> described in dwarf2 (I believe needs dwarf3 or 4).
Ping! Could someone please review/approve this fix.
Thanks,
-Andi
--
ak@linux.intel.com -- Speaking for myself only