From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: Re: [PATCH v5 1/3] examples/eventdev_pipeline: added sample app Date: Thu, 6 Jul 2017 19:08:14 +0530 Message-ID: <20170706133813.GA26214@jerin> References: <1498751388-41571-2-git-send-email-david.hunt@intel.com> <1498830673-56759-1-git-send-email-david.hunt@intel.com> <1498830673-56759-2-git-send-email-david.hunt@intel.com> <20170703035755.GA6275@jerin> <25452a77-c5ae-97e8-b41a-5dfcb9fb19a6@intel.com> <20170705052853.GA8031@jerin> <20170706033120.GA10973@jerin> <7987361f-935e-a689-103d-276fe3a4c36e@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org, harry.van.haaren@intel.com, Gage Eads , Bruce Richardson To: "Hunt, David" Return-path: Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on0048.outbound.protection.outlook.com [104.47.32.48]) by dpdk.org (Postfix) with ESMTP id 4B7BB1094 for ; Thu, 6 Jul 2017 15:38:46 +0200 (CEST) Content-Disposition: inline In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" -----Original Message----- > Date: Thu, 6 Jul 2017 14:26:47 +0100 > From: "Hunt, David" > To: Jerin Jacob > CC: dev@dpdk.org, harry.van.haaren@intel.com, Gage Eads > , Bruce Richardson > Subject: Re: [PATCH v5 1/3] examples/eventdev_pipeline: added sample app > User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 > Thunderbird/45.8.0 > > Hi Jerin, > > On 6/7/2017 11:04 AM, Hunt, David wrote: > > > > On 6/7/2017 4:31 AM, Jerin Jacob wrote: > > Having looked at this a bit more, and unable to reproduce with my original > kernel version checkpatch, and the patchwork version does not show, and the > 4.11.9 stable kernel version does not show, I suggest we mark these down as > false positives, as the string is not intended to show the function name. > > > > > I will give pull request Thomas on Friday morning. I will include > > > this change set > > > in the pull request. > > > > > > Regarding the performance drop, Can you add __rte_cache_aligned on those > > > variable which creates regression in moving to rte_malloc area. The > > > cache line could be shared? If not fixing then its fine we will look > > > into that latter. > > > > I will investigate and post a new patch in a few hours. > > > > Of the 4 variables I am attempting to move into fastpath structure, no > matter whether I move them one at a time or all at once, with > __rte_cache_align or not, I still see a significant performance degradation. > I suggest looking into this later. > > I will push a patch in the next couple of hours with the first two changes > mentioned above. OK with you? OK. > > Regards, > Dave. > > > >