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Wed, 07 Sep 2022 04:52:30 -0700 (PDT) From: Barry Song <21cnbao@gmail.com> X-Google-Original-From: Barry Song To: yangyicong@huawei.com, peterz@infradead.org Cc: 21cnbao@gmail.com, bristot@redhat.com, bsegall@google.com, dietmar.eggemann@arm.com, ego@linux.vnet.ibm.com, gautham.shenoy@amd.com, guodong.xu@linaro.org, hesham.almatary@huawei.com, john.garry@huawei.com, jonathan.cameron@huawei.com, juri.lelli@redhat.com, kprateek.nayak@amd.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxarm@huawei.com, mingo@redhat.com, prime.zeng@huawei.com, rostedt@goodmis.org, shenyang39@huawei.com, srikar@linux.vnet.ibm.com, tim.c.chen@linux.intel.com, vincent.guittot@linaro.org, wuyun.abel@bytedance.com, yangyicong@hisilicon.com, yu.c.chen@intel.com Subject: Re: [PATCH v7 0/2] sched/fair: Scan cluster before scanning LLC in wake-up path Date: Wed, 7 Sep 2022 23:52:07 +1200 Message-Id: <20220907115207.69058-1-v-songbaohua@oppo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220822073610.27205-1-yangyicong@huawei.com> References: <20220822073610.27205-1-yangyicong@huawei.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220907_045234_955949_31F51350 X-CRM114-Status: GOOD ( 11.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > From: Yicong Yang > This is the follow-up work to support cluster scheduler. Previously > we have added cluster level in the scheduler for both ARM64[1] and > X86[2] to support load balance between clusters to bring more memory > bandwidth and decrease cache contention. This patchset, on the other > hand, takes care of wake-up path by giving CPUs within the same cluster > a try before scanning the whole LLC to benefit those tasks communicating > with each other. > Barry Song (2): > sched: Add per_cpu cluster domain info and cpus_share_lowest_cache API > sched/fair: Scan cluster before scanning LLC in wake-up path Hi Peter, I believe this one has been ready. It has also gotten widely reviewed and tested on platforms w/ and w/o clusters. Can you please pick up this? Thanks Barry _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel