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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 4378EC282D8 for ; Fri, 1 Feb 2019 10:30:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EDFD20870 for ; Fri, 1 Feb 2019 10:30:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="gHMMjUu/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729696AbfBAKap (ORCPT ); Fri, 1 Feb 2019 05:30:45 -0500 Received: from mail.skyhub.de ([5.9.137.197]:34410 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728478AbfBAKap (ORCPT ); Fri, 1 Feb 2019 05:30:45 -0500 Received: from zn.tnic (p200300EC2BCC5000604F5F4DB2DDD4A2.dip0.t-ipconnect.de [IPv6:2003:ec:2bcc:5000:604f:5f4d:b2dd:d4a2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id CACE01EC027A; Fri, 1 Feb 2019 11:30:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1549017043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=hB33Y/m1dCj092qV1d5NK/5Fon44R72w9ESFBIwr2fk=; b=gHMMjUu/ets6YojRADfWVCTryF5P6/bQmOW/zoxO5UczciRCNJP3rlt8t/14R76V1a7o6V g2ieHDKHfn6p+hxVZN8yc/o3nONt0+H7ATaK4WC5gCNdK7zzFFa8h0Pb9XsAf66MdwERYs I+IxuROpv+QMsXOeW7NuwNBCnGdGP+4= Date: Fri, 1 Feb 2019 11:30:38 +0100 From: Borislav Petkov To: Masahiro Yamada Cc: Linux Kbuild mailing list , LKML , X86 ML , Michal Marek Subject: Re: [PATCH] kbuild: Disable extra debugging info in .s output Message-ID: <20190201103038.GE31854@zn.tnic> References: <20190121095338.8565-1-bp@alien8.de> <20190131115820.GF6749@zn.tnic> <20190201094217.GB31854@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 01, 2019 at 07:09:36PM +0900, Masahiro Yamada wrote: > I provide the result of "perf stat" of the incremental build for you. One more question: what exactly is that "incremental build" you're measuring with? Exact command line please. > Without your patch: > > > Performance counter stats for 'make -j8' (20 runs): > > 2.721312445 seconds time elapsed > ( +- 1.02% ) > > > > With you patch: > > > Performance counter stats for 'make -j8' (20 runs): > > 5.038521415 seconds time elapsed > ( +- 0.56% ) This can't be a full kernel build. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.