No special request for bionic. Just for 18.10 will be enough. only one is provided. Other 3 patches are not found. Upstream tested it that has been fixed.
https://www.spinics.net/lists/kernel/msg2552460.html commit 8e1a2031e4b556b01ca53cd1fb2d83d811a6605b Author: Alexey Budankov <alexey.budan...@linux.intel.com> Date: Fri Sep 8 11:47:03 2017 +0300 perf/cor: Use RB trees for pinned/flexible groups Change event groups into RB trees sorted by CPU and then by a 64bit index, so that multiplexing hrtimer interrupt handler would be able skipping to the current CPU's list and ignore groups allocated for the other CPUs. -- 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
