linux-kernel - Re: [3/3,v3] tools/power turbostat: Enable accumulate RAPL display

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Date:   Wed, 24 Mar 2021 16:55:29 +0100
From:   Christian Kastner <ckk@...ian.org>
To:     Doug Smythies <dsmythies@...us.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Kurt Garloff <kurt@...loff.de>,
        Salvatore Bonaccorso <carnil@...ian.org>
Subject: Re: [3/3,v3] tools/power turbostat: Enable accumulate RAPL display

On 24.03.21 15:44, Doug Smythies wrote:
> Just resending to previously missed people who should also test this.
> (See other e-mail: Re: turbostat: Fix Pkg Power on Zen)

Worked fine on my end (Zen 2), thanks.

>>> From 00e0622b1b693a5c7dc343aeb3aa51614a9e125e Mon Sep 17 00:00:00 2001
>>> From: Bas Nieuwenhuizen <bas@...nieuwenhuizen.nl>
>>> Date: Fri, 12 Mar 2021 21:27:40 +0800
>>> Subject: [PATCH] tools/power/turbostat: Fix turbostat for AMD Zen CPUs
>>>
>>> It was reported that on Zen+ system turbostat started exiting,
>>> which was tracked down to the MSR_PKG_ENERGY_STAT read failing because
>>> offset_to_idx wasn't returning a non-negative index.
>>>
>>> This patch combined the modification from Bingsong Si and
>>> Bas Nieuwenhuizen and addd the MSR to the index system as alternative for
>>> MSR_PKG_ENERGY_STATUS.