* Jiri Olsa <jo...@redhat.com> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to