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Thu, 6 Jul 2017 13:38:41 +0000 Date: Thu, 6 Jul 2017 19:08:14 +0530 From: Jerin Jacob To: "Hunt, David" Cc: dev@dpdk.org, harry.van.haaren@intel.com, Gage Eads , Bruce Richardson 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 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.8.3 (2017-05-23) X-Originating-IP: [111.93.218.67] X-ClientProxiedBy: BM1PR01CA0107.INDPRD01.PROD.OUTLOOK.COM (10.174.208.23) To BY1PR0701MB1724.namprd07.prod.outlook.com (10.162.111.143) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 96dfa582-ebeb-496b-294d-08d4c4745214 X-Microsoft-Antispam: UriScan:; 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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. > > > >