By: Travis (travis.downs.delete@this.gmail.com),
Room: Moderated Discussions
Foo_ (foo.delete@this.nomail.com) on May 18, 2018 4:05 am wrote:
> Doesn't work on Ryzen:
>
> $ sudo ./uarch-bench.sh --test-name=memory/load-serial/*
> Driver: acpi-cpufreq, governor: performance
> Vendor ID:
> Model name: AMD Ryzen 7 1700 Eight-Core Processor
> Does not support intel_pstate
> setting turbo state for cores 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> Original no_turbo state:
> wrmsr: CPU 0 cannot set MSR 0x000001a0 to 0x0000004000850089
>
Can you run it as ./uarch-bench rather than ./uarch-bench.sh ? The latter is a wrapper script that tries to disable turbo mode, among other things, but this doesn't work on AMD (if anyone knows how to disable turbo on AMD I'd like to add this functionality).
> Doesn't work on Ryzen:
>
> $ sudo ./uarch-bench.sh --test-name=memory/load-serial/*
> Driver: acpi-cpufreq, governor: performance
> Vendor ID:
> Model name: AMD Ryzen 7 1700 Eight-Core Processor
> Does not support intel_pstate
> setting turbo state for cores 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
> Original no_turbo state:
> wrmsr: CPU 0 cannot set MSR 0x000001a0 to 0x0000004000850089
>
Can you run it as ./uarch-bench rather than ./uarch-bench.sh ? The latter is a wrapper script that tries to disable turbo mode, among other things, but this doesn't work on AMD (if anyone knows how to disable turbo on AMD I'd like to add this functionality).
