From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030213Ab3FTLA0 (ORCPT ); Thu, 20 Jun 2013 07:00:26 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:65146 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965287Ab3FTLAV (ORCPT ); Thu, 20 Jun 2013 07:00:21 -0400 X-AuditID: cbfee68f-b7f436d000000f81-fd-51c2e0ac2838 Message-id: <51C2E0AD.8060208@samsung.com> Date: Thu, 20 Jun 2013 19:59:57 +0900 From: Chanwoo Choi User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-version: 1.0 To: Viresh Kumar Cc: rjw@sisk.pl, linux-kernel@vger.kernel.org, Kyungmin Park , Myungjoo Ham Subject: Re: [PATCH v2] cpufreq: stats: Add 'load_table' debugfs file to show accumulated data of CPUs References: <1371716524-19370-1-git-send-email-cw00.choi@samsung.com> <51C2DD3D.5040601@samsung.com> In-reply-to: Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFIsWRmVeSWpSXmKPExsWyRsSkSHfNg0OBBlsXmVmcbXrDbnF51xw2 i9uNK9gs+hf2Mlls/OrhwOpx59oeNo++LasYPR4tbmH0+LxJLoAlissmJTUnsyy1SN8ugStj yhKfgitsFfsW/WFuYNzA2sXIySEhYCLx7dYEFghbTOLCvfVsXYxcHEICSxklzvxbztjFyAFW NHV7EEiNkMAiRon/P+sgal4wSnzeeIUNJMEroCUxfcYVsKEsAqoS576tBYuzAcX3v7gBZosK hEmsnH6FBaJeUOLH5HssIPNFgGpe3kwFCTMLtDJKXDjoCRIWFsiQmPC2CmLtF0aJc+eDQWxO gWCJpXMms0OU60jsb53GBmHLS2xe85YZ5DQJgU3sErPnNzNBnCMg8W3yIRaIV2QlNh1ghnhX UuLgihssExjFZiE5aBaSsbOQjF3AyLyKUTS1ILmgOCm9yFivODG3uDQvXS85P3cTIzCeTv97 1r+D8e4B60OMyUArJzJLiSbnA+MxryTe0NjMyMLUxNTYyNzSjDRhJXFetRbrQCGB9MSS1OzU 1ILUovii0pzU4kOMTBycUg2Mwv0JNRUP1c1iZmya/b7F6PctnR/fWl8bdiw6JHOLT1K7+a+k XOmhsn2bi1+o97zs8mgXifu98r/C68/FjS/WcsuzPbb/uKX+a3OpttupTmnX0PqwCV7Bt7Na 2B8WP2/puP6uv3Pp+n87fnfuYZFya9VayOojmzNrjnKRy4/nKtH7JJdVBnEosRRnJBpqMRcV JwIAZmj1hr0CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpnleLIzCtJLcpLzFFi42I5/e+xgO6aB4cCDTZ/07M42/SG3eLyrjls FrcbV7BZ9C/sZbLY+NXDgdXjzrU9bB59W1Yxejxa3MLo8XmTXABLVAOjTUZqYkpqkUJqXnJ+ SmZeuq2Sd3C8c7ypmYGhrqGlhbmSQl5ibqqtkotPgK5bZg7QXiWFssScUqBQQGJxsZK+HaYJ oSFuuhYwjRG6viFBcD1GBmggYQ1jxpQlPgVX2Cr2LfrD3MC4gbWLkYNDQsBEYur2oC5GTiBT TOLCvfVsILaQwCJGif8/67oYuYDsF4wSnzdeAUvwCmhJTJ9xhRXEZhFQlTj3bS1YnA0ovv/F DTBbVCBMYuX0KywQ9YISPybfYwHZJQJU8/JmKkiYWaCVUeLCQU+QsLBAhsSEt1UQa78wSpw7 HwxicwoESyydM5kdolxHYn/rNDYIW15i85q3zBMYBWYhWTALSdksJGULGJlXMYqmFiQXFCel 5xrpFSfmFpfmpesl5+duYgRH6zPpHYyrGiwOMQpwMCrx8GpcPhgoxJpYVlyZe4hRgoNZSYQ3 dc6hQCHelMTKqtSi/Pii0pzU4kOMyUD/T2SWEk3OByaSvJJ4Q2MTMyNLI3NDCyNjc9KElcR5 D7ZaBwoJpCeWpGanphakFsFsYeLglGpgnC72e09RR7K2c/TjYql337T1XzuEJysKu05z+Wb6 6NyHKuVrR1y3ZH3jLV8R/fUlh5XcW4Ev85euuTHzzJMXjFPXr5vrfHkrf9b2z3zWN6ds2P3j +e2EKR237hQ7tVsq1Mf3zEwvrX5ptnGDHrvjlEqXmcVvjq873X+2IOCsrUkk0+9wed5DIkos xRmJhlrMRcWJAIQY2L4aAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/20/2013 07:55 PM, Viresh Kumar wrote: > On 20 June 2013 16:15, Chanwoo Choi wrote: >> Yes, freq->old is same freq->new. >> >> The cpufreq gorvernor(dbs_check_cpu()) send CPUFREQ_LOADCHECK noti >> right after calculating CPUs load, regardless of changing CPU frequency. >> So, I use only freq->old value without using freq->new because load_table >> debugfs file need current cpu frequency. >> >> Now, I can't think of any proper usage for freq->new. >> Do you have good way for using freq->new to include more useful data in load_table? > > This information might be interesting.. At what load, we moved from > which freq to which one.. > > Just see if you can add the notification after frequency has been > changed. > OK, I'll modify it and send test result. Thanks. Best Regards, Chanwoo Choi