[PATCH v10 0/4] Add support for AArch64 AMUv1-based average freq
Catalin Marinas
catalin.marinas at arm.com
Mon Feb 17 13:32:06 PST 2025
On Fri, 31 Jan 2025 16:24:35 +0000, Beata Michalska wrote:
> This series adds support for obtaining an average CPU frequency based on
> a hardware provided feedback. The average frequency is being exposed via
> dedicated yet optional cpufreq sysfs attribute - cpuinfo_avg_freq.
> The architecture specific bits are being provided for AArch64, caching on
> existing implementation for FIE and AMUv1 support: the frequency scale
> factor, updated on each sched tick, serving as a base for retrieving
> the frequency for a given CPU, representing an average frequency
> reported between the ticks.
>
> [...]
Applied to arm64 (for-next/amuv1-avg-freq), thanks!
[1/4] cpufreq: Allow arch_freq_get_on_cpu to return an error
https://git.kernel.org/arm64/c/38e480d4fcac
[2/4] cpufreq: Introduce an optional cpuinfo_avg_freq sysfs entry
https://git.kernel.org/arm64/c/fbb4a4759b54
[3/4] arm64: Provide an AMU-based version of arch_freq_get_on_cpu
https://git.kernel.org/arm64/c/dd871ac1237f
[4/4] arm64: Update AMU-based freq scale factor on entering idle
https://git.kernel.org/arm64/c/96b335620c59
--
Catalin
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