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[23.128.96.32]) by mx.google.com with ESMTPS id t12-20020a170902a5cc00b001cfc3295702si83458plq.109.2023.11.29.17.59.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Nov 2023 17:59:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 0E3C3803A6CB; Wed, 29 Nov 2023 17:59:43 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231493AbjK3B7V convert rfc822-to-8bit (ORCPT + 99 others); Wed, 29 Nov 2023 20:59:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229658AbjK3B7U (ORCPT ); Wed, 29 Nov 2023 20:59:20 -0500 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 579BA1B4; Wed, 29 Nov 2023 17:59:27 -0800 (PST) Received: by mail-pl1-f170.google.com with SMTP id d9443c01a7336-1d001e4cf7cso4424625ad.2; Wed, 29 Nov 2023 17:59:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701309567; x=1701914367; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0Scw2aCR9gSmd89SGL5dYIOKKFRpiyaWuC/eM4b4hck=; b=MxNOYNazkNTyd7cup6xbI4SVNx0K/VXzbeq91nYsoYSNEAZQQQ4DQ/u+Dq4dXLuaTL CJ94I2506SifKveg+Ak/HHUmIZaJBSEMN3sXB2V6l6viGnYA0au53X4ife5KB99N0mJT /Gw6ZlZOU1UFK4fi9aPITj5+ebhMKzL3fz6/qrwJI4XBvt7jD7fhnZrtPtioxqK9PkLr u0zwL7GYUJwZtQ7og8eBhNBj8NWI2KD06PO7viud2ZTEdXZnZdXj1NLbq8GWr5BxYxoG bp+dtxUlhtos8ivyKk86x0mnPGs0/jAp6xq0YKgvrG21BOs6v9ROWzFz5/WWdRP+B1gR KQDw== X-Gm-Message-State: AOJu0YxH5kAufCabrXFrf7LVDM84gNYcThF7QJYYnEPMadodPgRa5dmt C1U9d1ZIX2JLjTKoZc93JD9AKal0floHDsyK1/4= X-Received: by 2002:a17:90b:1b4b:b0:285:b1b8:e29c with SMTP id nv11-20020a17090b1b4b00b00285b1b8e29cmr15014619pjb.12.1701309566671; Wed, 29 Nov 2023 17:59:26 -0800 (PST) MIME-Version: 1.0 References: <20231127220902.1315692-1-irogers@google.com> <20231127220902.1315692-8-irogers@google.com> In-Reply-To: <20231127220902.1315692-8-irogers@google.com> From: Namhyung Kim Date: Wed, 29 Nov 2023 17:59:15 -0800 Message-ID: Subject: Re: [PATCH v5 07/50] perf maps: Switch modules tree walk to io_dir__readdir To: Ian Rogers Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Nick Terrell , Kan Liang , Andi Kleen , Kajol Jain , Athira Rajeev , Huacai Chen , Masami Hiramatsu , Vincent Whitchurch , "Steinar H. Gunderson" , Liam Howlett , Miguel Ojeda , Colin Ian King , Dmitrii Dolgov <9erthalion6@gmail.com>, Yang Jihong , Ming Wang , James Clark , K Prateek Nayak , Sean Christopherson , Leo Yan , Ravi Bangoria , German Gomez , Changbin Du , Paolo Bonzini , Li Dong , Sandipan Das , liuwenyu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Guilherme Amadio Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 29 Nov 2023 17:59:43 -0800 (PST) On Mon, Nov 27, 2023 at 2:09 PM Ian Rogers wrote: > > Compared to glibc's opendir/readdir this lowers the max RSS of perf > record by 1.8MB on a Debian machine. > > Signed-off-by: Ian Rogers Acked-by: Namhyung Kim Thanks, Namhyung