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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 33C47C83007 for ; Tue, 28 Apr 2020 22:30:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D82D20731 for ; Tue, 28 Apr 2020 22:30:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726637AbgD1WaL (ORCPT ); Tue, 28 Apr 2020 18:30:11 -0400 Received: from correo.us.es ([193.147.175.20]:60544 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726477AbgD1WaK (ORCPT ); Tue, 28 Apr 2020 18:30:10 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id F045E11EB3C for ; Wed, 29 Apr 2020 00:30:08 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id E1F9CBAAAF for ; Wed, 29 Apr 2020 00:30:08 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id D7499BAC2F; Wed, 29 Apr 2020 00:30:08 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id EE64CBAAAF; Wed, 29 Apr 2020 00:30:06 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 29 Apr 2020 00:30:06 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from us.es (unknown [90.77.255.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: 1984lsi) by entrada.int (Postfix) with ESMTPSA id D134142EF4E1; Wed, 29 Apr 2020 00:30:06 +0200 (CEST) Date: Wed, 29 Apr 2020 00:30:06 +0200 X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: Maciej =?utf-8?Q?=C5=BBenczykowski?= Cc: Florian Westphal , Linux Network Development Mailing List , Netfilter Development Mailing List Subject: Re: [PATCH] iptables: flush stdout after every verbose log. Message-ID: <20200428223006.GA30304@salvia> References: <20200421081542.108296-1-zenczykowski@gmail.com> <20200428000525.GD24002@salvia> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Apr 27, 2020 at 05:14:24PM -0700, Maciej Żenczykowski wrote: > > Could you check if this slows down iptables-restore? > > per the iptables-restore man page > -v, --verbose > Print additional debug info during ruleset processing. > > Well, if you run it with verbose mode enabled you probably don't care > about performance all that much... Thanks for explaining. How long has this been broken? I mean, netd has been there for quite a while interacting with iptables. However, the existing behaviour was not a problem? Or a recent bug?