[+Giovanni] On Thu, May 28, 2020 at 20:29:14 +0200, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote... > On Thu, May 28, 2020 at 05:51:31PM +0100, Qais Yousef wrote: >> I had a humble try to catch the overhead but wasn't successful. The observation >> wasn't missed by us too then. > > Right, I remember us doing benchmarks when we introduced all this and > clearly we missed something. I would be good if Mel can share which > benchmark hurt most so we can go have a look. Indeed, would be great to have a description of their test setup and results. Perhaps Giovanni can also support us on that.