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=-5.1 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,USER_AGENT_SANE_1 autolearn=unavailable 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 1E13ACA9EB9 for ; Wed, 23 Oct 2019 12:38:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8153214B2 for ; Wed, 23 Oct 2019 12:38:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XFffVwVq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390318AbfJWMiG (ORCPT ); Wed, 23 Oct 2019 08:38:06 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:42452 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732361AbfJWMiF (ORCPT ); Wed, 23 Oct 2019 08:38:05 -0400 Received: by mail-qt1-f195.google.com with SMTP id w14so31972806qto.9; Wed, 23 Oct 2019 05:38:05 -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:user-agent; bh=TTxfg8uYCGG6i9hFGyJ0oHAZKHi72jFC6jG4zn1k97Q=; b=XFffVwVqJgOaIQp+xpGltzSaVRG+X5kt3ObAyXI3K5+lughh1ATjfvD5NBAAsJODbg HsjXmpYjQXMwiTmn+kQwGO7Zh+MnJbsPc3PZ0ETxzY49ibWz8LJaEka/WhGxHsZBW3jw KEQ07OaCHixpqhZsL87owKp3ce9pEaiwtTkRkWRZBHa1VJtHMsB8Kp2APGLarSCNs4Pb DgQTb3rzxRhW8bxN8jIe6kirZ6yD2aAvcIr69f1khmiiRMygKHbT4kGeOBUdU33i6x72 oLriPVYKYapGah8V3QQ9/XlTr2cpq7r2dO+CKqg4uG75XMKzjvbWQqg8DyBvzRl9HE7y UWGg== 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:user-agent; bh=TTxfg8uYCGG6i9hFGyJ0oHAZKHi72jFC6jG4zn1k97Q=; b=mjDRZv4TAKFAIfcPUwQrPZ2zBw02kkYsunsNurS4XaDrHpNnLWjrhqJIWnDjVlSbka IjLtzXov5arywOF6dia/HXOPedLmGtt9EMfbfauD9EYnw9siluxW3Mm+WJp4AWMuA9EV 9N1+GCRR09o+8qQyXQ4quhN7S5jTmcrERImpZvQc8PiFNUM/dYXrgypK9aKLVZWSJUpr YO4RV3gNHLUsEPrt6lfONnH5th2IHV1NyIpKAAVbr1o3OwR/eTxTC/DQo3XnYZ3HJNtU yPMhuEnU79jQUY/J0ikOG1dbHrowOFe2FL3yLPVcJBLfJXwGW+Dxh+09QZpHtkcGFIDw w3xg== X-Gm-Message-State: APjAAAVA2iU9H01zY5FW0fdy9lsAh2NbHwaWQXdiySfxz0dlxQpbaMSz 3U58E0vNw3cLbFoqCMM2aI8= X-Google-Smtp-Source: APXvYqy5SFIZq5y+J9shsYPIP3Rc3PCvPhXKek+NFYEwkCT27cfLiqu5oPR8Dlza+24DhsBZV56BwQ== X-Received: by 2002:ac8:2c1a:: with SMTP id d26mr3448187qta.287.1571834284717; Wed, 23 Oct 2019 05:38:04 -0700 (PDT) Received: from quaco.ghostprotocols.net ([179.97.35.50]) by smtp.gmail.com with ESMTPSA id x13sm10000312qki.9.2019.10.23.05.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2019 05:38:04 -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 463884DDC9; Wed, 23 Oct 2019 09:38:02 -0300 (-03) Date: Wed, 23 Oct 2019 09:38:02 -0300 To: Jiri Olsa Cc: Ian Rogers , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andi Kleen , Jin Yao , Adrian Hunter , Kan Liang , John Garry , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, Stephane Eranian Subject: Re: [PATCH v2 5/9] perf tools: avoid a malloc for array events Message-ID: <20191023123802.GB15998@kernel.org> References: <20191017170531.171244-1-irogers@google.com> <20191023005337.196160-1-irogers@google.com> <20191023005337.196160-6-irogers@google.com> <20191023085830.GG22919@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191023085830.GG22919@krava> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.12.1 (2019-06-15) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Em Wed, Oct 23, 2019 at 10:58:30AM +0200, Jiri Olsa escreveu: > On Tue, Oct 22, 2019 at 05:53:33PM -0700, Ian Rogers wrote: > > Use realloc rather than malloc+memcpy to possibly avoid a memory > > allocation when appending array elements. > > > > Signed-off-by: Ian Rogers > > Acked-by: Jiri Olsa Thanks, applied, - Arnaldo