Re: perf report --branch-history segfaul hists browser: Print overhead percent value for first-level callchain

From: Andi Kleen
Date: Thu Nov 27 2014 - 13:26:08 EST


Thanks for testing.

> Yeah, you are right:
>
> [acme@zoo linux]$ addr2line -e /usr/lib/debug/usr/lib64/firefox/libxul.so.debug 22fefe8
> BFD: Dwarf Error: Offset (2585882475) greater than or equal to
> .debug_str size (44321517).
> BFD: Dwarf Error: Could not find abbrev number 11800.
> BFD: Dwarf Error: Offset (493511937) greater than or equal to .debug_str
> size (44321517).

But addr2line didn't crash? What happens when you run it under valgrind?

If yes, I can check what it does differently than get_srcline() to make
it recover better.

-Andi

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