* Jiri Olsa <[email protected]> wrote:
> hi,
> trying to speedup DWARF unwind report code by factoring
> related code:
> - caching sample's registers access
> - keep dso data file descriptor open for the
> life of the dso object
> - replace dso cache code by mapping dso data file
> directly for the life of the dso object
>
> The speedup is mainly for libunwind unwind. The libdw will benefit
> mainly from cached registers access, because it handles dso data
> accesses by itself.. and anyway it's still faster ;-).
Just curious: do you have any numbers about how much faster it got in
practice?
Thanks,
Ingo
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