Re: [RFC PATCH 00/10] x86: undwarf unwinder

[Jiri Slaby]

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