Received: by 2002:a25:f815:0:0:0:0:0 with SMTP id u21csp2009439ybd; Thu, 27 Jun 2019 05:21:38 -0700 (PDT) X-Google-Smtp-Source: APXvYqwa1C1C/K7LC1AVqWTysUS/PKJjCJFs8x+n/B5amsaCIEfrOMVv7XwQi1NIDVEzo3mRZQh/ X-Received: by 2002:a17:90a:b115:: with SMTP id z21mr5798380pjq.64.1561638098211; Thu, 27 Jun 2019 05:21:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561638098; cv=none; d=google.com; s=arc-20160816; b=qMKiX334LkylDbjJjyQp71bUtP7J6mLPPMHZupGrikyQLCJzTSnZcmkSSN36LqQ9i/ Ta/IEzEkAk8aA/18Xg44vA0P/V+fgcRiK8WmawcIp83TqQ6BRKxrEPKR9Kt2QIVdc8Sm +nF1v2Rs+cuIoJrXaleECLavyF9p6ZHzfnOTmQhG1AFeja79WjHBbjcr7MXu0/x9De/W vSYpTzPjpXqNb7q0q75fSAunE3xXNtDE3vVNXKHn8PLnICRQNEAsiYlRp2qvK8kcTKoF N5Qf3Nk3FnX/KpQgGOUSTrMMb7SaYCpgXRqo256ZfyHdMiXwlorRLIz+Iak2r61Okktg x1RQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=ihupeEW4pTEJb2RFHFHdgWD/Nat0BbDVA8PoViEeVdU=; b=UTHUiAsQ7c+II33LA2ZwmbQyWJRwz+2FBxbiJsq/nCm6/NMok6jjTWjmohqAe2iLZF I7yA9fd59KHXmnev1TMv7SCHMC3C50hlcyKVGsIQwt4E/+bGGVQTH7tLJZisQe3bFeQ1 TwkY8Sf+W9vOmPEhJKaK4E4WEgb8wnzdFez46QwpX0R4luSvf9RYTnHsjV7/UmkuUG55 z2DG/w+1wnS8/0MwOT/diRoLRtQGPhzejsKPbDhymb6lnMMovftCjjD25usVdDsQZBFI P3JUb7CwTSr9pyj93OAol00GIlhnfp8Nf6dEq5lfZ/6yLEkcvgPRRYVKWXWZsgLRAEwl UY8Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z26si2717243pfj.247.2019.06.27.05.21.19; Thu, 27 Jun 2019 05:21:38 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726542AbfF0MVK (ORCPT + 99 others); Thu, 27 Jun 2019 08:21:10 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:53495 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726431AbfF0MVK (ORCPT ); Thu, 27 Jun 2019 08:21:10 -0400 Received: from p5b06daab.dip0.t-ipconnect.de ([91.6.218.171] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hgTOl-00021l-R5; Thu, 27 Jun 2019 14:21:07 +0200 Date: Thu, 27 Jun 2019 14:21:06 +0200 (CEST) From: Thomas Gleixner To: "Sverdlin, Alexander (Nokia - DE/Ulm)" cc: "x86@kernel.org" , "linux-kernel@vger.kernel.org" , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Jason Vas Dias , Andy Lutomirski , Vincenzo Frascino Subject: Re: [PATCH v3 1/2] x86/vdso: Move mult and shift into struct vgtod_ts In-Reply-To: <0643ba97-1b1b-8e14-c2cc-dcdf9cfd8479@nokia.com> Message-ID: References: <20190605144116.28553-1-alexander.sverdlin@nokia.com> <20190605144116.28553-2-alexander.sverdlin@nokia.com> <01ab4388-f259-e801-8c8a-f39b5abcfb52@nokia.com> <0643ba97-1b1b-8e14-c2cc-dcdf9cfd8479@nokia.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alexander, On Thu, 27 Jun 2019, Sverdlin, Alexander (Nokia - DE/Ulm) wrote: > On 27/06/2019 14:07, Thomas Gleixner wrote: > > > > Did you use the git tree? If not, it would be interesting to have a test > > against that as well because that's the final version. > > I've applied the following list: > > 3acf4be23528 (tip/timers/vdso) arm64: vdso: Fix compilation with clang older than 8 > If you expect a difference, I can re-test using your tree as-is. That's the tip of tree. All good. > > The increase for mono and realtime is impressive. Which CPU is that? > > This time it was > > processor : 3 > vendor_id : AuthenticAMD > cpu family : 21 > model : 96 > model name : AMD PRO A10-8700B R6, 10 Compute Cores 4C+6G Interesting. Need to find something similar in my fleet and figure out what changed that so much. Thanks! tglx