linux-kernel - Re: [PATCH v10 0/4] Add support for AArch64 AMUv1-based average freq

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Message-Id: <173982791748.4020779.2848639862581042284.b4-ty@arm.com>
Date: Mon, 17 Feb 2025 21:32:06 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-pm@...r.kernel.org,
	ionela.voinescu@....com,
	sudeep.holla@....com,
	will@...nel.org,
	rafael@...nel.org,
	viresh.kumar@...aro.org,
	Beata Michalska <beata.michalska@....com>
Cc: sumitg@...dia.com,
	yang@...amperecomputing.com,
	vanshikonda@...amperecomputing.com,
	lihuisong@...wei.com,
	zhanjie9@...ilicon.com,
	ptsm@...ux.microsoft.com,
	Jonathan Corbet <corbet@....net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H . Peter Anvin" <hpa@...or.com>,
	Phil Auld <pauld@...hat.com>,
	x86@...nel.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v10 0/4] Add support for AArch64 AMUv1-based average freq

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