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Re: [Libunwind-devel] Backtrace performance on x86-64 based on Dwarf inf
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From: |
Arun Sharma |
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Subject: |
Re: [Libunwind-devel] Backtrace performance on x86-64 based on Dwarf info |
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Date: |
Wed, 28 May 2014 11:08:19 -0700 |
On Wed, May 28, 2014 at 5:40 AM, Milian Wolff <address@hidden> wrote:
>
> Profiling my tracer with perf shows tons of time spent in
> _ULx86_64_dwarf_find_proc_info and below. Esp. the syscalls related to
> sigprocmask are a hotspot:
>
Are you compiling with libatomicops installed?
-Arun