From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53620C48BD6 for ; Thu, 27 Jun 2019 12:21:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 322D82085A for ; Thu, 27 Jun 2019 12:21:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726721AbfF0MVK (ORCPT ); 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