A v9 was posted on August 31st, but there is still no progress upstream.
Meanwhile, Peter Zijlstra merged
0d3d73aac2ff05c78387aa9dcc2c8aa3804405e7 ("perf/core: Rewrite event
timekeeping"), which looks like would have helped with this problem.Can you confirm if the latest bionic kernel, which has this commit, scales better? If not, what is the plan of pushing this forward upstream? Cascardo. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1730782 Title: [Bug] [KNL] ~5x slowdown of application when attaching by perf on KNL To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1730782/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
