From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id E8D4D1B123 for ; Tue, 25 Sep 2018 14:44:54 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Sep 2018 05:44:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,302,1534834800"; d="scan'208";a="266520986" Received: from irsmsx103.ger.corp.intel.com ([163.33.3.157]) by fmsmga006.fm.intel.com with ESMTP; 25 Sep 2018 05:44:28 -0700 Received: from irsmsx111.ger.corp.intel.com (10.108.20.4) by IRSMSX103.ger.corp.intel.com (163.33.3.157) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 25 Sep 2018 13:44:27 +0100 Received: from irsmsx104.ger.corp.intel.com ([169.254.5.213]) by irsmsx111.ger.corp.intel.com ([169.254.2.190]) with mapi id 14.03.0319.002; Tue, 25 Sep 2018 13:44:27 +0100 From: "Kovacevic, Marko" To: "Ma, Liang J" , "Hunt, David" CC: "dev@dpdk.org" , "Yao, Lei A" , "ktraynor@redhat.com" , "Geary, John" , "Ma, Liang J" Thread-Topic: [dpdk-dev] [PATCH v8 3/4] doc/guides/proguide/power-man: update the power API Thread-Index: AQHUToq72H8KQoRwdEWcCOe3mfU5yKUA+NSQgAAESpA= Date: Tue, 25 Sep 2018 12:44:26 +0000 Message-ID: <6DC05C7C5F25994B81B3F2F214251F6602030C51@IRSMSX104.ger.corp.intel.com> References: <1536070228-6545-1-git-send-email-liang.j.ma@intel.com> <1537191016-26330-1-git-send-email-liang.j.ma@intel.com> <1537191016-26330-3-git-send-email-liang.j.ma@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMWE3MmE1M2EtMzAyYi00OWViLWIxNDItZjI0OTdlOWVmZTJiIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE2LjUuOS4zIiwiVHJ1c3RlZExhYmVsSGFzaCI6Im14RmcyXC8zckF0V0VTaEtHcVh0VTkxN2tkRmRnbkFzRThLQTA5a2syT1FNPSJ9 x-ctpclassification: CTP_NT x-originating-ip: [163.33.239.181] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v8 3/4] doc/guides/proguide/power-man: update the power API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Sep 2018 12:44:55 -0000 > > Update the document for empty poll API. > > > > Signed-off-by: Liang Ma > > --- > > doc/guides/prog_guide/power_man.rst | 90 > > +++++++++++++++++++++++++++++++++++++ > > 1 file changed, 90 insertions(+) > > > > diff --git a/doc/guides/prog_guide/power_man.rst > > b/doc/guides/prog_guide/power_man.rst > > index eba1cc6..056cb12 100644 Sending an email to fix my mistake I made to a fix. > > +For packet processing workloads such as DPDK polling is continuous. > > +This means CPU cores always show 100% busy independent of how much > > work > > +those cores are doing. It is critical to accurately determine how > > +busy a core is hugely important for the following reasons: > > + > > + * No indication of overload conditions > > + * User do not know how much real load is on a system meaning > > + resulted in wasted energy as no power management is > > + utilized >=20 > User does not know how much real load is on a resulting in wasted energy = as > no power management is utilized * User does not know how much real load is on a system, resulting in wasted energy as no power management is utilized Thanks,=20 Marko K