Michael Larabel from Phoronix.com graciously tested v1, see results at: AMD EPYC 7702 - https://openbenchmarking.org/result/2101210-PTS-LINUX51178 AMD Ryzen 9 5950X - https://openbenchmarking.org/result/2101212-HA-RYZEN959566 The reported regression is recovered, and some workloads even report an improvement over the v5.10 results. Thanks Michael for the feedback! v1 at https://lore.kernel.org/lkml/20210121003223.20257-1-ggherdovich@xxxxxxx/ Changes wrt v1: - move code around so that it builds for non-x86 architectures too Giovanni Gherdovich (1): x86,sched: On AMD EPYC set freq_max = max_boost in schedutil invariant formula drivers/cpufreq/acpi-cpufreq.c | 64 +++++++++++++++++++++++++++++++- drivers/cpufreq/cpufreq.c | 3 ++ include/linux/cpufreq.h | 5 +++ kernel/sched/cpufreq_schedutil.c | 8 +++- 4 files changed, 76 insertions(+), 4 deletions(-) -- 2.26.2