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SubjectRe: [RFC PATCH 00/10] x86: undwarf unwinder
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On 06/01/2017, 02:52 PM, Josh Poimboeuf wrote:
>> This is ~ 20 times faster than my DWARF unwinder by a quick measurement
>> (20000 calls to save_stack_trace via single vfs_write).
>
> Wow!

BTW the most time spent when unwinding DWARF was in those routines
decrypting uleb/sleb128 into u/longs.

thanks,
--
js
suse labs

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