Open-source News

Linux 6.1 Perf Adds AMD CPU Cache-To-Cache & Memory Reporting Capabilities

Phoronix - Tue, 10/11/2022 - 03:30
The "perf" kernel subsystem for Linux with the perf performance analyzing tool has picked up some new AMD processor capabilities for Linux 6.1...

AMD Platform Management Framework Merged For Linux 6.1 With Many Laptop Improvements

Phoronix - Tue, 10/11/2022 - 02:20
The platform drivers x86 updates were merged a few days ago for the Linux 6.1 kernel. Most notable is the introduction of the AMD Platform Management Framework (PMF) while there are also a number of laptop driver updates too as part of this feature update...

AMD Ryzen 9 7950X P-State/CPUFreq Frequency Scaling Performance On Linux

Phoronix - Mon, 10/10/2022 - 22:08
For those wondering the difference using the aging ACPI CPUFreq driver or the newer AMD P-State CPU frequency scaling drivers make for modern Ryzen 7000 "Zen 4" desktops, here are some CPUFreq/P-State driver tests using the Ryzen 9 7950X as well as testing the various governor options and looking at the impact on the CPU power consumption, peak frequency, and thermals too.

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