* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > On Thu, Nov 28, 2019 at 07:01:59PM +0800, Shile Zhang wrote: > > This series refactored the original sortextable tools, add ORC unwind > > tables sort at build time. > > > > To sort the ORC unwind tables(.orc_unwind & .orc_unwind_ip) can save > > about 100ms in my test ENV (2C4G VM w/ Xeon 2.5GHz CPU). > > It costs about 30ms sort by new sorttable tool. > > IIRC from your previous emails the new build-time sort is actually > shorter than that, so even for single build+run scenarios we win. > > The code looks good to me, so: > > Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > > Who it going to apply this? I suppose we could take it through -tip, > like we do with all x86 and objtool related bits. Yeah, will apply it once the merge window slows down a bit. Thanks, Ingo
