From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 306915952 for ; Thu, 6 Aug 2015 12:27:25 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP; 06 Aug 2015 03:27:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,622,1432623600"; d="scan'208";a="763173498" Received: from irsmsx105.ger.corp.intel.com ([163.33.3.28]) by fmsmga001.fm.intel.com with ESMTP; 06 Aug 2015 03:27:23 -0700 Received: from irsmsx108.ger.corp.intel.com ([169.254.11.22]) by irsmsx105.ger.corp.intel.com ([169.254.7.223]) with mapi id 14.03.0224.002; Thu, 6 Aug 2015 11:27:22 +0100 From: "De Lara Guarch, Pablo" To: Thomas Monjalon , "Carew, Alan" Thread-Topic: [dpdk-dev] [PATCH] rte_power: fix sample vm_power_mgr not work with Haswell cpus Thread-Index: AQHQuwuK3SidmxeWU0mMybEdJANuSZ36dwsAgAR3F2A= Date: Thu, 6 Aug 2015 10:27:21 +0000 Message-ID: References: <1436258198-9293-1-git-send-email-yong.liu@intel.com> <65297849.3rxAozRbCH@xps13> <1546664.IF6R2IkT3F@xps13> In-Reply-To: <1546664.IF6R2IkT3F@xps13> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [PATCH] rte_power: fix sample vm_power_mgr not work with Haswell cpus X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Aug 2015 10:27:25 -0000 > -----Original Message----- > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > Sent: Monday, August 03, 2015 4:13 PM > To: Carew, Alan; De Lara Guarch, Pablo > Cc: dev@dpdk.org; Liu, Yong > Subject: Re: [dpdk-dev] [PATCH] rte_power: fix sample vm_power_mgr not > work with Haswell cpus >=20 > Ping >=20 > 2015-07-10 14:24, Thomas Monjalon: > > Alan, Pablo, any comment? > > By the way, we need a maintainer for rte_power. > > > > 2015-07-07 16:36, Yong Liu: > > > From: Marvin Liu > > > > > > Two socket Haswell cpus on cottonwoodPass have 72 cores totally. And > this > > > number oversize the default value of maximum core number 64. > > > > > > Total number of channels should also increased for match core number. > > > > > > Signed-off-by: Marvin Liu > > >=20 NACK. Allowing that change may end up in an undefined behaviour if user uses core= 64 or more. Will send an alternative fix, with a warning instead of an error, so user s= till can use the app on a machine with more than 64 cores, as long as no co= res over 63 are used. Thanks, Pablo