Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1096980pxf; Thu, 18 Mar 2021 21:16:58 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwZqmg5tx/jo8Ol0YkPLj44cSlx1MnbsWs2ryMFSc9clx5/ALrFTJCFYyv3+eEJyUUszJc/ X-Received: by 2002:a17:906:9714:: with SMTP id k20mr2106205ejx.519.1616127418727; Thu, 18 Mar 2021 21:16:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616127418; cv=none; d=google.com; s=arc-20160816; b=JEO8RWLvWeCjzKZshzSCNmhllLNGHdxwSGL0aOCL7ee1gqxeZ/UhynDzhezz6euqt7 LvoCjEQ6QqKy3gqLYvhfGRnSAmZGNyuABEpPH2dz3FCVjRfbrrJrOFk4TN+jqpJ8DeM8 pqWfzMmt8O7ngGMT4/yOYvK/h5ECdifPGcH//xrNM6pxCf9GFidcgvD1uLOvh3cj0yvq k5XkgYgm9q9Yhyi5u/X3WHemsF8MN6K/s7MJItgB1ydqFWcZ8f2rNhCme7mJw5BSg1wO 0TFPPtpriGG9OifEpamsOCuRQwrUBV9KEvF8grVTkPC7UEXFIZJDo+fPKj6zJwU0kBnt 9veQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:message-id:in-reply-to :date:references:subject:cc:to:from:ironport-sdr:ironport-sdr; bh=AlpxNK23o934DqE8HuStT37K0P4kSb8WCiaOWLq04Tw=; b=FmIi0cjk1NNf5M+v+XRBsf9QIAPpTd+YsMrJqcE+212am+eqGSKVsmI1Qt8Gd1eI5G be7/t4aIgYbDZPUl+2140OsVu1XJDq3E3kJqx0NBq1mwtpBN58vkxj15rs0MQgW9qyiF GVZ0BwcSziwu1wi97ns4sto5n/e3mbyKe2Vsrr370h0wwj9ydIqiFLLdlDI/WOzyMXIn z2VkcjC5O3oqnKK6jiag5kUEb5RmpomTkQabUk5VF840x8Z+yFKGk6tVB70OpopFz8o2 a4qruJQLrN8i/jXBk0/vCfO51sz0/c7dl+rEdjxi3p2YZyZXm2cFDb+dHxKmdWrKA/45 PSRg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f24si3244621ejz.234.2021.03.18.21.16.35; Thu, 18 Mar 2021 21:16:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233009AbhCSEMt (ORCPT + 99 others); Fri, 19 Mar 2021 00:12:49 -0400 Received: from mga09.intel.com ([134.134.136.24]:46764 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229447AbhCSEMd (ORCPT ); Fri, 19 Mar 2021 00:12:33 -0400 IronPort-SDR: F6l1nLz741Z3AEC1YyfcDsdEe+2RkOfPJQp04RX6HUeLHX0t7d41LU2VfAVsZyVNgeCNAq6Mlj cn59ikpsKSSA== X-IronPort-AV: E=McAfee;i="6000,8403,9927"; a="189914065" X-IronPort-AV: E=Sophos;i="5.81,259,1610438400"; d="scan'208";a="189914065" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2021 21:12:33 -0700 IronPort-SDR: DbxeYJWDo8PaIc0g5bSFRA2ISTE+Ee2UrlNJRpC9K0qH6ddKmbgnd4tf7jT/XOubLFQ2Rj1asl EV6CjELPFhjQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,259,1610438400"; d="scan'208";a="591725210" Received: from tassilo.jf.intel.com (HELO tassilo.localdomain) ([10.54.74.11]) by orsmga005.jf.intel.com with ESMTP; 18 Mar 2021 21:12:32 -0700 Received: by tassilo.localdomain (Postfix, from userid 1000) id DC04B3023AF; Thu, 18 Mar 2021 21:12:32 -0700 (PDT) From: Andi Kleen To: Jim Cromie Cc: jbaron@akamai.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v3 00/18] dynamic debug diet plan References: <20210316050801.2446401-1-jim.cromie@gmail.com> Date: Thu, 18 Mar 2021 21:12:32 -0700 In-Reply-To: <20210316050801.2446401-1-jim.cromie@gmail.com> (Jim Cromie's message of "Mon, 15 Mar 2021 23:07:43 -0600") Message-ID: <87ft0rvl1r.fsf@linux.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jim Cromie writes: > CONFIG_DYNAMIC_DEBUG creates a struct _ddebug (56 bytes) for each > callsite, which includes 3 pointers to: module, filename, function. > These are repetetive, and compressible, this patch series goes about > doing that, it: So how much memory does it actually save? -Andi