linux-kernel - Re: [PATCH v3 0/4] powercap: Enable RAPL for AMD Fam17h and Fam19h

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Date:   Tue, 10 Nov 2020 20:24:34 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Victor Ding <victording@...gle.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Kim Phillips <kim.phillips@....com>,
        Zhang Rui <rui.zhang@...el.com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Joerg Roedel <jroedel@...e.de>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tony Luck <tony.luck@...el.com>,
        Vineela Tummalapalli <vineela.tummalapalli@...el.com>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: [PATCH v3 0/4] powercap: Enable RAPL for AMD Fam17h and Fam19h

On Tue, Oct 27, 2020 at 8:24 AM Victor Ding <victording@...gle.com> wrote:
>
> This patch series adds support for AMD Fam17h RAPL counters. As per
> AMD PPR, Fam17h and Fam19h support RAPL counters to monitor power
> usage. The RAPL counter operates as with Intel RAPL. Therefore, it is
> beneficial to re-use existing framework for Intel, especially to
> allow existing tools to seamlessly run on AMD.
>
> From the user's point view, this series enables the following two sysfs
> entry on AMD Fam17h or Fam19h:
>   /sys/class/powercap/intel-rapl/intel-rapl:0/energy_uj
>   /sys/class/powercap/intel-rapl/intel-rapl:0/intel-rapl:0:0/energy_uj
>
> Changes in v3:
> By Victor Ding <victording@...gle.com>
>  - Rebased to the latest code.
>  - Created a new rapl_defaults for AMD CPUs.
>  - Removed redundant setting to zeros.
>  - Stopped using the fake power limit domain 1.
>
> Changes in v2:
> By Kim Phillips <kim.phillips@....com>
> - Added the Fam19h patch to the end of the series
> - Added my Acked-by
> - Added Daniel Lezcano to Cc
> - (linux-pm was already on Cc)
> - (No code changes)
>
> Kim Phillips (1):
>   powercap: Add AMD Fam19h RAPL support
>
> Victor Ding (3):
>   x86/msr-index: sort AMD RAPL MSRs by address
>   powercap/intel_rapl_msr: Convert rapl_msr_priv into pointer
>   powercap: Add AMD Fam17h RAPL support
>
>  arch/x86/include/asm/msr-index.h     |  3 +-
>  drivers/powercap/intel_rapl_common.c |  7 ++++
>  drivers/powercap/intel_rapl_msr.c    | 51 ++++++++++++++++++++--------
>  3 files changed, 45 insertions(+), 16 deletions(-)
>
> --

All patches applied as 5.11 material (which some minor edits in the
changelogs), thanks!