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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no 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 A2B28C3815B for ; Mon, 20 Apr 2020 12:05:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A909206DD for ; Mon, 20 Apr 2020 12:05:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XVh9bMHh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726498AbgDTMFj (ORCPT ); Mon, 20 Apr 2020 08:05:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725944AbgDTMFh (ORCPT ); Mon, 20 Apr 2020 08:05:37 -0400 Received: from mail-qk1-x743.google.com (mail-qk1-x743.google.com [IPv6:2607:f8b0:4864:20::743]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 383BDC061A0C for ; Mon, 20 Apr 2020 05:05:37 -0700 (PDT) Received: by mail-qk1-x743.google.com with SMTP id t3so10203531qkg.1 for ; Mon, 20 Apr 2020 05:05:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=4kJ8SlOP2vcDVKhs/hat7C/sGoGtacJd5TYlYgE4RzE=; b=XVh9bMHhM2Z51YhloSA2HuSu0ht3hY8WMatIPJpqQzFTfJ99VkK+kwn4pCeRXa9zAa j59468JQ0aZmaOpQIR48HdeK4I3wzFTlPJGgOwLrv7HIz969AJouT+q6lSzkScwea7c0 rM8oTKHkEq/APsvCcdzZ6MslUewKeIcrQRQxw1HRs7V/9T1fs3ut283pVdkyEPloe0zs nuGoK6rNnVt0GXxBM80QassMg3wFi/EWRZ0/incD9bXRpZ7vgvuyXHKRF0CBkeanjjr6 FQAHmfSrCTwSnJGmlFAm4Y0zBs18tiN+UBc3HKsuqrEo4GiTu2XXx0B0Oat5KaAePvdf IkhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=4kJ8SlOP2vcDVKhs/hat7C/sGoGtacJd5TYlYgE4RzE=; b=eDFZH8Jk997Nia86F44InUtvUYFaUL5ltoNqvdmq2OGHQCyCPDGdsiPg/QBMFbucVn Q7h/Vn8ATHQ2mJY0gc5ShwmmfMjwUFBHWbmfhsYAirM+dktP5YGTs/QHX/0Rk39yBD5G ioqeUG/wjNq7518xLV8xn5ErjL3SN0KEqHgK1h35YczlYjz5oBqbYZiHr2CZ9RTfGzjp ba0VkoAITEGOnw2xMi7u2puqb/DlQjB+FmMwbQFTagUVBTOL/rFmhGMVESRL5N+cuFmc Eerh1OVM3lu7r0LSs8q1jtAd3eq5B+cGiQEMHoAY8/AseDibEdF8pXi/E7cRT2eAHaNu Xsgg== X-Gm-Message-State: AGi0PuY62EIb7wfYzsusDXuwGAY4dCyF4gFD1Ou/UFCR726NEzr1Lnr6 RAIxo+vAxvUuQPpqK2Qpmhc= X-Google-Smtp-Source: APiQypKHTQ1jTP+1a73YiOpKHdNpf05kZ33/6+Ny8z/SJfBM44XlQyr0YqPoPaNpj3PDzxQn8jr02A== X-Received: by 2002:a37:63d4:: with SMTP id x203mr15421590qkb.391.1587384336364; Mon, 20 Apr 2020 05:05:36 -0700 (PDT) Received: from quaco.ghostprotocols.net ([179.97.37.151]) by smtp.gmail.com with ESMTPSA id y9sm355508qtc.12.2020.04.20.05.05.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2020 05:05:35 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 6EE28409A3; Mon, 20 Apr 2020 09:05:33 -0300 (-03) Date: Mon, 20 Apr 2020 09:05:33 -0300 To: Jiri Olsa Cc: Tommi Rantala , Ingo Molnar , Peter Zijlstra , Mark Rutland , Alexander Shishkin , Namhyung Kim , Thomas Gleixner , Darren Hart , linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] perf bench: Fix div-by-zero if runtime is zero Message-ID: <20200420120533.GA14597@kernel.org> References: <20200417132330.119407-1-tommi.t.rantala@nokia.com> <20200417132330.119407-4-tommi.t.rantala@nokia.com> <20200420090526.GF718574@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200420090526.GF718574@krava> X-Url: http://acmel.wordpress.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, Apr 20, 2020 at 11:05:26AM +0200, Jiri Olsa escreveu: > On Fri, Apr 17, 2020 at 04:23:29PM +0300, Tommi Rantala wrote: > > Fix div-by-zero if runtime is zero: > > > > $ perf bench futex hash --runtime=0 > > # Running 'futex/hash' benchmark: > > Run summary [PID 12090]: 4 threads, each operating on 1024 [private] futexes for 0 secs. > > Floating point exception (core dumped) > > > > Signed-off-by: Tommi Rantala > > Acked-by: Jiri Olsa Thanks, applied, - Arnaldo