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Wed, 20 May 2026 09:05:00 +0000 Message-ID: Date: Wed, 20 May 2026 17:04:45 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v4 00/16] Cache aware scheduling enhancements To: K Prateek Nayak CC: Juri Lelli , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Madadi Vineeth Reddy , "Hillf Danton" , Shrikanth Hegde , "Jianyong Wu" , Yangyu Chen , Tingyin Duan , Vern Hao , Vern Hao , Len Brown , Aubrey Li , Zhao Liu , Chen Yu , Adam Li , Aaron Lu , Tim Chen , Josh Don , Gavin Guo , Qais Yousef , Libo Chen , Peter Zijlstra , Ingo Molnar , Luo Gengkun , , Tim Chen , Vincent Guittot References: <69ff1b28-10d1-4c45-b32b-00d27da5180e@amd.com> Content-Language: en-US From: "Chen, Yu C" In-Reply-To: <69ff1b28-10d1-4c45-b32b-00d27da5180e@amd.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SI1PR02CA0060.apcprd02.prod.outlook.com (2603:1096:4:1f5::17) To DM4PR11MB6020.namprd11.prod.outlook.com (2603:10b6:8:61::19) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB6020:EE_|BN9PR11MB5257:EE_ X-MS-Office365-Filtering-Correlation-Id: 62795c9e-571f-450f-6d4c-08deb64edf6b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|366016|22082099003|56012099003|18002099003|11063799006|4143699003; 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I'll update if I see anything funky with longer running > benchmarks if and when I get a chance. > [ ... ] > > Thanks a ton! And sorry for not having been the most responsive on the > latest iterations. > Thanks very much for your help with this series! I have kicked off the server-side tests based on sched/core. I suppose cache-aware scheduling can still leverage sd_llc_share after applying Peter’s patch and yours, allowing the sched domain share data for SD_SHARE_LLC and SD_ASYM_CPUCAPACITY to coexist. Additionally, since sched/core includes optimizations for selecting SMT cores during asymmetric-capacity wakeups, I have also set up big.LITTLE systems for testing. One testbed features P-cores with SMT enabled while E-cores run without SMT support. I am simply curious to see how the benchmark data turns out. thanks, Chenyu