Is it related to the regression that Greg was talking about here: http://lists.llvm.org/pipermail/lldb-commits/Week-of-Mon-20160208/027449.html
On Wed, Feb 10, 2016 at 2:20 AM, Tamas Berghammer via lldb-dev <lldb-dev@lists.llvm.org> wrote: > Hi Sean, > > Can you gave us some more context on this because without access to the > referenced rdar bug I don't really understand your previous e-mail (and I > think I am not alone with this) > > Thanks, > Tamas > > On Wed, Feb 10, 2016 at 2:54 AM Sean Callanan via lldb-dev > <lldb-dev@lists.llvm.org> wrote: >> >> I’ve been investing the “po performance bug” (<rdar://problem/24534599> po >> when debugging Xcode is extremely slow) in recent Xcode, and I discovered >> this problem. >> >> We are looking at pch files that are generated on Xcode’s behalf and it >> looks like we’re recursing through their dependencies when we don’t find >> something, but we’re probably not searching efficiently because this is >> super slow. >> >> This would be an Everest regression. >> >> I’m going to keep working on the original Radar because I haven’t gotten >> Brent’s backtrace yet; that said, this one is going to affect users’ >> perception of expression parser performance as well so I’ve filed it >> separately. >> >> Sean >> _______________________________________________ >> lldb-dev mailing list >> lldb-dev@lists.llvm.org >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev > > > _______________________________________________ > lldb-dev mailing list > lldb-dev@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev > _______________________________________________ lldb-dev mailing list lldb-dev@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
