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=-5.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 68C28C433E7 for ; Mon, 19 Oct 2020 10:51:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08B3922263 for ; Mon, 19 Oct 2020 10:51:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="DBpzAKr5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727530AbgJSKvD (ORCPT ); Mon, 19 Oct 2020 06:51:03 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:17265 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726606AbgJSKvD (ORCPT ); Mon, 19 Oct 2020 06:51:03 -0400 Received: from epcas1p4.samsung.com (unknown [182.195.41.48]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20201019105059epoutp012e60e6d9093fe801ca9752822bc22fcc~-XzHHf8Cj1835318353epoutp01X for ; Mon, 19 Oct 2020 10:50:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20201019105059epoutp012e60e6d9093fe801ca9752822bc22fcc~-XzHHf8Cj1835318353epoutp01X DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1603104659; bh=OzQ7STniOEoozCj5rps6lC/duRi6vaMoeaAUetDjqf8=; h=Subject:To:Cc:From:Date:In-Reply-To:References:From; b=DBpzAKr5e6AxrydXt1kaCEwrVodPqLbVeN/XITNxWgOlHvQYliG2YppH5Fl4RIS32 cXDAv0gXNcqO4b5qaNuHSndueV5OqNNgz/E/knWCCInNUujm3WJxw6204Mml1ANmgS mvI19G0cZwuVjL680QJL+VoJHRo1QDlzOLW6tUFU= Received: from epsnrtp3.localdomain (unknown [182.195.42.164]) by epcas1p4.samsung.com (KnoxPortal) with ESMTP id 20201019105058epcas1p4ef33873bc5768424630b409377276b78~-XzGPPJJM1760117601epcas1p4K; Mon, 19 Oct 2020 10:50:58 +0000 (GMT) Received: from epsmges1p2.samsung.com (unknown [182.195.40.152]) by epsnrtp3.localdomain (Postfix) with ESMTP id 4CFD7c5dmjzMqYkb; Mon, 19 Oct 2020 10:50:52 +0000 (GMT) Received: from epcas1p1.samsung.com ( [182.195.41.45]) by epsmges1p2.samsung.com (Symantec Messaging Gateway) with SMTP id F4.10.09918.C8F6D8F5; Mon, 19 Oct 2020 19:50:52 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p4.samsung.com (KnoxPortal) with ESMTPA id 20201019105051epcas1p40d8a8ac9783f8dd817110debd4cfb8fd~-Xy-aV26j1574115741epcas1p49; Mon, 19 Oct 2020 10:50:51 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20201019105051epsmtrp2e0fa398fe3f5a44a3f5ffdf6d4218a4b~-Xy-Znkwn2270622706epsmtrp2_; Mon, 19 Oct 2020 10:50:51 +0000 (GMT) X-AuditID: b6c32a36-713ff700000026be-e1-5f8d6f8c49e9 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 2B.A0.08604.B8F6D8F5; Mon, 19 Oct 2020 19:50:51 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20201019105051epsmtip1defbca2dbb4676d7c8edc0e09c3c4e95~-Xy-Lvwhm1367713677epsmtip1z; Mon, 19 Oct 2020 10:50:51 +0000 (GMT) Subject: Re: [PATCH 0/3] PM / devfreq: Add devfreq_frequency tracepoint to track frequency change To: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: mka@chromium.org, rostedt@goodmis.org, mingo@redhat.com, chanwoo@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <1763ff8e-e7c7-af36-13b2-1794d109f206@samsung.com> Date: Mon, 19 Oct 2020 20:04:16 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: <20201008075403.26181-1-cw00.choi@samsung.com> Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrCJsWRmVeSWpSXmKPExsWy7bCmrm5Pfm+8wZ93mhYTb1xhsTjb9Ibd 4vKuOWwWn3uPMFpcOrCAyeLzhseMFrcbV7BZ7Ot4wOTA4TG74SKLR8u+W+wem1Z1snm833eV zaNvyypGj8+b5ALYorJtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1DS0tzJUU8hJzU22V XHwCdN0yc4AOUlIoS8wpBQoFJBYXK+nb2RTll5akKmTkF5fYKqUWpOQUWBboFSfmFpfmpesl 5+daGRoYGJkCFSZkZ5xeuIq5oJ274suHb8wNjC2cXYycHBICJhIT7kxg62Lk4hAS2MEo8eL3 SlYI5xOjxPplN9khnG+MEofvH2OEafnw8gIzRGIvo8TNjScYIZz3jBKfXi9mAqkSFkiWWDK7 mwXEFhGwkjj9vwOsg1mgjVHi35avzCAJNgEtif0vbrCB2PwCihJXfzwGW8ErYCfRdXY3WDOL gKrEqqMgR3FyiAqESZzc1gJVIyhxcuYTsBpOAWuJ76d/gM1kFhCXuPVkPhOELS+x/e0csMUS Ais5JPZ2n2eF+MFF4vvSd8wQtrDEq+Nb2CFsKYnP7/ayQdjVEitPHmGDaO5glNiy/wJUs7HE /qWTgTZwAG3QlFi/Sx8irCix8/dcRojFfBLvvvawgpRICPBKdLQJQZQoS1x+cJcJwpaUWNze yTaBUWkWkndmIXlhFpIXZiEsW8DIsopRLLWgODc9tdiwwAg5vjcxgpOrltkOxklvP+gdYmTi YDzEKMHBrCTCGynYFS/Em5JYWZValB9fVJqTWnyI0RQYwBOZpUST84HpPa8k3tDUyNjY2MLE 0MzU0FBJnPePdke8kEB6YklqdmpqQWoRTB8TB6dUA1PEtq4fL2qVPePbY29//yL47pJG2b3o T9sUeU+dWWL4+demExKTy2c5hV0Xq0rTnSX/hf1dGtM84YPFz8r5/oic55Py78h9J36dXWVG p6h+8PEz3akXfN8lqK6Nqky3XdLqr1336eIL20+i0tafZlw2ZnHma/gZYLe6r3lOJ+cDsaaN kuzXFOcJFjieYXiuVOz+mltGbomj2aRlW/Zl/PxzT3TBzywLo2XJjJfnveBmWGDlxyDU/G76 DgP7E49jBCXErX1jvm1esKfZoogxgGt/mcauN+2F0Q6rdZQ+JYetNDe4VzPzX0jWvjiR+Yem zxC2e/ElT7Mn0kmpXSJm6jb3u4l9n83899u+ErmwT4mlOCPRUIu5qDgRAC5RQwg3BAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuplkeLIzCtJLcpLzFFi42LZdlhJTrc7vzfe4NZBSYuJN66wWJxtesNu cXnXHDaLz71HGC0uHVjAZPF5w2NGi9uNK9gs9nU8YHLg8JjdcJHFo2XfLXaPTas62Tze77vK 5tG3ZRWjx+dNcgFsUVw2Kak5mWWpRfp2CVwZpxeuYi5o56748uEbcwNjC2cXIyeHhICJxIeX F5hBbCGB3YwSxxZKQcQlJaZdPAoU5wCyhSUOHy7uYuQCKnnLKHH361tWkBphgWSJJbO7WUBs EQEridP/O5hBipgF2hgl9jz8wQTR0cco8WtqE1gHm4CWxP4XN9hAbH4BRYmrPx4zgti8AnYS XWd3g01iEVCVWHV0JVi9qECYxM4lj5kgagQlTs58AlbDKWAt8f30D7CrmQXUJf7MuwRli0vc ejKfCcKWl9j+dg7zBEbhWUjaZyFpmYWkZRaSlgWMLKsYJVMLinPTc4sNCwzzUsv1ihNzi0vz 0vWS83M3MYJjTEtzB+P2VR/0DjEycTAeYpTgYFYS4Y0U7IoX4k1JrKxKLcqPLyrNSS0+xCjN waIkznujcGGckEB6YklqdmpqQWoRTJaJg1OqgantzI1/73/d1mjZeCWAmbU+7Gh+zyuLN6fm K+1I/jfnde9LXpfb2m2zt3NcevZYYYbvSkbfiybZG7Zdt1lg7bVZ/9uRtz+ZD7j+kpgQEz3j elus2NynG5uZ+aLiMgxfm7U63GS++bLsZvmDkAbjkucKEXmHNQsZL/Ae9LNdlmPyNsp68W8r nqLXig98S8zkJdQeiH1IvVEuL9rcHbWAfX99zLl+CxddnRMhG5tjwv5e7nnLxrBpZ9H6LetO NAsbyZ2q2Lvvr2v8Fhkmq2NGCwRnm884PPtD/A69M19+ezE/MhdknWo1bzm7dJ7Y1bq/7CXX 764sirgiHmV46iaT0LPI2tQJZZv/PsmSzzus7qvEUpyRaKjFXFScCAD+pIiVIAMAAA== X-CMS-MailID: 20201019105051epcas1p40d8a8ac9783f8dd817110debd4cfb8fd X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20201008074041epcas1p14111dc3070c66fce8d775e2fbae39f15 References: <20201008075403.26181-1-cw00.choi@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/8/20 4:54 PM, Chanwoo Choi wrote: > Add devfreq_tracepoint to track the correct timing of frequency change > with following information: > - device name > - current frequency > - previous frequency > - load when change frequency > - tracepoint path : /sys/kernel/debug/tracing/events/devfreq_frequency > > And add devfreq_update_target() function to unify the frequency change code > on both devfreq core and devfreq passive governor because there are redundant > duplicate code. Lastly, Use fixed indentation size to improve readability > for 'devfreq_monitor' tracepoint. > > Matthias already sent the patch[1]. Make patch3 by editing patch[1]. > [1]https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2108015.html > > Chanwoo Choi (2): > trace: events: devfreq: Use fixed indentation size to improve readability > PM / devfreq: Unify frequency change to devfreq_update_target func > > Matthias Kaehlcke (1): > PM / devfreq: Add tracepoint for frequency changes > > drivers/devfreq/devfreq.c | 37 +++++++++++++++++++++----- > drivers/devfreq/governor.h | 1 + > drivers/devfreq/governor_passive.c | 42 +++++++----------------------- > include/trace/events/devfreq.h | 30 ++++++++++++++++++++- > 4 files changed, 70 insertions(+), 40 deletions(-) > Applied them. Thanks. -- Best Regards, Chanwoo Choi Samsung Electronics