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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 05D4DC433DF for ; Thu, 27 Aug 2020 15:19:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D53AC22CB3 for ; Thu, 27 Aug 2020 15:19:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727954AbgH0PSz (ORCPT ); Thu, 27 Aug 2020 11:18:55 -0400 Received: from mail.monom.org ([188.138.9.77]:50344 "EHLO mail.monom.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728373AbgH0Lfv (ORCPT ); Thu, 27 Aug 2020 07:35:51 -0400 Received: from mail.monom.org (localhost [127.0.0.1]) by filter.mynetwork.local (Postfix) with ESMTP id CA69650035A; Thu, 27 Aug 2020 13:27:05 +0200 (CEST) Received: from localhost (unknown [94.31.100.251]) by mail.monom.org (Postfix) with ESMTPSA id 851D6500103; Thu, 27 Aug 2020 13:27:05 +0200 (CEST) Date: Thu, 27 Aug 2020 13:27:05 +0200 From: Daniel Wagner To: Sebastian Andrzej Siewior Cc: Thomas Gleixner , LKML , linux-rt-users , Steven Rostedt Subject: Re: [ANNOUNCE] v5.9-rc2-rt1 Message-ID: <20200827112705.uleixtdmx3pacr5u@beryllium.lan> References: <20200824154605.v66t2rsxobt3r5jg@linutronix.de> <20200826080802.5lnnf5wh3kcwfykz@beryllium.lan> <20200826081211.bvk5kfuzh4vlbh5k@linutronix.de> <20200826090518.m6vblobggnfdjau5@beryllium.lan> <20200826104326.xfexkwovwbi2q4el@beryllium.lan> <20200827091910.ibuyr53qprb7qmju@beryllium.lan> <20200827092743.kjl6hkaephx3a64a@linutronix.de> <20200827101622.xx4jzecouxrlwbii@beryllium.lan> <20200827102840.msv556nrah4h4vmq@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200827102840.msv556nrah4h4vmq@linutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 27, 2020 at 12:28:40PM +0200, Sebastian Andrzej Siewior wrote: > On 2020-08-27 12:16:22 [+0200], Daniel Wagner wrote: > > The -rt kernel is roughly 6MB larger. Just need to check the memory > > ranges u-boot is using. > > so that 6MiB sounded bad but then it is ~36MiB in total so…. > Is this full debug and so on? I didn't really try to minimize the kernel. I haven't checked yet if 5.6-rt is also showing this size increase. At least, our SUSE spin off from v5.4-rt doesn't have this size increase with the same config. Would be interesting to see the size numbers for v5.6-rt? Hmm, I'll just start the compiler. It's all scripted anyway :) Anyway, the config is: make defconfig and # # Networking # CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y # NFS CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V4=y CONFIG_NFS_V4_1=y CONFIG_NFS_V4_2=y CONFIG_ROOT_NFS=y # # Debugging # CONFIG_DEBUG_INFO=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_KERNEL=y CONFIG_EARLY_PRINTK=y CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7 # Embedded config to kernel. /proc/config.gz CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_KEXEC=y # Default settings # # CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set # CONFIG_LOCKDEP is not set CONFIG_DEBUG_ATOMIC_SLEEP=y # CONFIG_CPU_FREQ is not set # CONFIG_CPU_IDLE is not set # CONFIG_NO_HZ is not set CONFIG_HZ_PERIODIC=y CONFIG_HZ_250=y CONFIG_HZ=250 # CONFIG_SUSPEND is not set # CONFIG_HIBERNATION is not set # CONFIG_PM is not set # cyclicdeadline dependency CONFIG_SCHED_DEBUG=y CONFIG_RCU_EXPERT=y CONFIG_RCU_NOCB_CPU=y # tracing CONFIG_EMBEDDED=y CONFIG_EXPERT=y CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_PREEMPT_RT=y