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[2a01:4f8:192:61d5::2]) by smtp.gmail.com with ESMTPSA id m11sm3132366wri.44.2021.03.24.05.37.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Mar 2021 05:37:27 -0700 (PDT) Sender: Salvatore Bonaccorso Date: Wed, 24 Mar 2021 13:37:27 +0100 From: Salvatore Bonaccorso To: Len Brown Cc: Christian Kastner , Kurt Garloff , LKML , linux-pm@vger.kernel.org Subject: Re: turbostat: Fix Pkg Power on Zen Message-ID: References: <1f1fb01e-0616-34ea-ede6-dc7dd679c3d4@garloff.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Len, On Mon, Mar 15, 2021 at 10:54:24PM +0100, Christian Kastner wrote: > Hi, > > On 01.02.21 10:01, Kurt Garloff wrote: > > Issue persists on Ryzen in 5.11-rc6: > > > > kvmadmin@KurtSrv2018(//):~ [0]$ sudo /casa/src/linux-stable/tools/power/x86/turbostat/turbostat > > [...] > > kvmadmin@KurtSrv2018(//):~ [243]$ > > > > ?????????????????????????????????????????????????????? ^^^ Exit code > > > > With the patch: > > > > kvmadmin@KurtSrv2018(//):~ [243]$ sudo /casa/src/linux-stable/tools/power/x86/turbostat/turbostat?????? > > [...]???????????????????????????????????? > > Core?????? CPU???????? Avg_MHz Busy%???? Bzy_MHz TSC_MHz IRQ???????? POLL?????? C1?????????? C2?????????? POLL%???? C1%???????? C2%???????? CorWatt PkgWatt > > -???????????? -???????????? 27?????????? 1.04?????? 2562?????? 3411?????? 16046???? 33?????????? 2931?????? 12895???? 0.00?????? 0.85?????? 98.48???? 1.57?????? 18.81 > > 0???????????? 0???????????? 12?????????? 0.55?????? 2193?????? 3400?????? 885???????? 1???????????? 111???????? 757???????? 0.00?????? 1.12?????? 98.42???? 0.04?????? 18.74 > > 0???????????? 16?????????? 1???????????? 0.05?????? 2351?????? 3400?????? 53?????????? 0???????????? 3???????????? 54?????????? 0.00?????? 0.05?????? 99.92???????????? > > 1???????????? 1???????????? 20?????????? 0.89?????? 2261?????? 3400?????? 478???????? 0???????????? 39?????????? 427???????? 0.00?????? 0.37?????? 98.80???? 0.06 > > 1???????????? 17?????????? 9???????????? 0.40?????? 2329?????? 3400?????? 308???????? 0???????????? 38?????????? 282???????? 0.00?????? 0.35?????? 99.29???????????? > > [...] > > I was seeing the same issue (no stats, program just exits with 243), and > Kurt's simple patch resolved it for me. Does Kurt's patch seems good to you and can be applied or is there anything missing? Regards, Salvatore