From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE075C433EF for ; Mon, 27 Jun 2022 08:19:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:CC:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+IK8u5anj4p7/5A22xAJfkhwA7inCKS9n024cgqPIuo=; b=WZyJzUVSwj2WdPHZvG0AlzfH1r qSdS8BNX85UsCA8hx76mEtwzpejipmlo9obNUvySYsIiULsRN2XRwHWLG5EhK47x+FnWzOMGU5CPd tOmKGqR7+yHE1mjhmVbOT5nz2k9hu6FrslDxaziafG9RMCCD5aACxTF6wFWk5Zi2E3+2KEQ3CnxLj 5PjuDRdE3fxMYCqT6tMWuslHDzKTdj2bLri0FpZEFXcCKUKRZrecZAoSrtI7Hxu2Dc9f/7K/1lZtb cpQTMR0bm9qfhdHDm/iCACq1tqie/LT0KlAwkONmzdkHe8TeCn+BA/x9HHKT693ybXblZ984NmoxA SFwFvunw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5jwU-00Gl3i-8R; Mon, 27 Jun 2022 08:17:59 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o5jvX-00GkVS-LY for linux-arm-kernel@lists.infradead.org; Mon, 27 Jun 2022 08:17:02 +0000 Received: from canpemm500009.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4LWgX16K3ZzkWtn; Mon, 27 Jun 2022 16:15:29 +0800 (CST) Received: from [10.67.102.169] (10.67.102.169) by canpemm500009.china.huawei.com (7.192.105.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 27 Jun 2022 16:16:33 +0800 CC: , , , , , , , , , <21cnbao@gmail.com>, , , , Subject: Re: [PATCH v4 2/2] sched/fair: Scan cluster before scanning LLC in wake-up path To: Abel Wu , Yicong Yang , , , , , , , , References: <20220609120622.47724-1-yangyicong@hisilicon.com> <20220609120622.47724-3-yangyicong@hisilicon.com> <9cf43b10-85a2-1a83-057f-c43be339265e@bytedance.com> From: Yicong Yang Message-ID: <3105c9d4-9707-e9a3-47e5-c63095fa46e2@huawei.com> Date: Mon, 27 Jun 2022 16:16:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <9cf43b10-85a2-1a83-057f-c43be339265e@bytedance.com> X-Originating-IP: [10.67.102.169] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500009.china.huawei.com (7.192.105.203) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220627_011700_198261_A20CD5A1 X-CRM114-Status: GOOD ( 15.47 ) 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMi82LzI2IDIwOjEzLCBBYmVsIFd1IHdyb3RlOgo+IAo+IE9uIDYvOS8yMiA4OjA2IFBN LCBZaWNvbmcgWWFuZyBXcm90ZToKPj4gRnJvbTogQmFycnkgU29uZyA8c29uZy5iYW8uaHVhQGhp c2lsaWNvbi5jb20+Cj4+Cj4+IEZvciBwbGF0Zm9ybXMgaGF2aW5nIGNsdXN0ZXJzIGxpa2UgS3Vu cGVuZzkyMCwgQ1BVcyB3aXRoaW4gdGhlIHNhbWUgY2x1c3Rlcgo+PiBoYXZlIGxvd2VyIGxhdGVu Y3kgd2hlbiBzeW5jaHJvbml6aW5nIGFuZCBhY2Nlc3Npbmcgc2hhcmVkIHJlc291cmNlcyBsaWtl Cj4+IGNhY2hlLiBUaHVzLCB0aGlzIHBhdGNoIHRyaWVzIHRvIGZpbmQgYW4gaWRsZSBjcHUgd2l0 aGluIHRoZSBjbHVzdGVyIG9mIHRoZQo+PiB0YXJnZXQgQ1BVIGJlZm9yZSBzY2FubmluZyB0aGUg d2hvbGUgTExDIHRvIGdhaW4gbG93ZXIgbGF0ZW5jeS4KPj4KPj4gTm90ZSBuZWl0aGVyIEt1bnBl bmc5MjAgbm9yIHg4NiBKYWNvYnN2aWxsZSBzdXBwb3J0cyBTTVQsIHNvIHRoaXMgcGF0Y2gKPj4g ZG9lc24ndCBjb25zaWRlciBTTVQgZm9yIHRoaXMgbW9tZW50Lgo+Pgo+PiBUZXN0aW5nIGhhcyBi ZWVuIGRvbmUgb24gS3VucGVuZzkyMCBieSBwaW5uaW5nIHRhc2tzIHRvIG9uZSBudW1hIGFuZCB0 d28KPj4gbnVtYS4gT24gS3VucGVuZzkyMCwgRWFjaCBudW1hIGhhcyA4IGNsdXN0ZXJzIGFuZCBl YWNoIGNsdXN0ZXIgaGFzIDQgQ1BVcy4KPj4KPj4gV2l0aCB0aGlzIHBhdGNoLCBXZSBub3RpY2Vk IGVuaGFuY2VtZW50IG9uIHRiZW5jaCB3aXRoaW4gb25lIG51bWEgb3IgY3Jvc3MKPj4gdHdvIG51 bWEuCj4+Cj4+IE9uIG51bWEgMDoKPj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgNS4xOS1yYzHCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgcGF0Y2hlZAo+PiBIbWVhbsKgwqDCoMKgIDHCoMKgwqDCoMKgwqDCoCAzNTAuMjcgKMKg wqAgMC4wMCUpwqDCoMKgwqDCoCA0MDYuODggKsKgIDE2LjE2JSoKPj4gSG1lYW7CoMKgwqDCoCAy wqDCoMKgwqDCoMKgwqAgNzAyLjAxICjCoMKgIDAuMDAlKcKgwqDCoMKgwqAgODA4LjIyICrCoCAx NS4xMyUqCj4+IEhtZWFuwqDCoMKgwqAgNMKgwqDCoMKgwqDCoCAxNDA1LjE0ICjCoMKgIDAuMDAl KcKgwqDCoMKgIDE2MTQuMzQgKsKgIDE0Ljg5JSoKPj4gSG1lYW7CoMKgwqDCoCA4wqDCoMKgwqDC oMKgIDI4MzAuNTMgKMKgwqAgMC4wMCUpwqDCoMKgwqAgMzE2OS4wMiAqwqAgMTEuOTYlKgo+PiBI bWVhbsKgwqDCoMKgIDE2wqDCoMKgwqDCoCA1NTk3Ljk1ICjCoMKgIDAuMDAlKcKgwqDCoMKgIDYy MjQuMjAgKsKgIDExLjE5JSoKPj4gSG1lYW7CoMKgwqDCoCAzMsKgwqDCoMKgIDEwNTM3LjM4ICjC oMKgIDAuMDAlKcKgwqDCoCAxMDUyNC45NyAqwqAgLTAuMTIlKgo+PiBIbWVhbsKgwqDCoMKgIDY0 wqDCoMKgwqDCoCA4MzY2LjA0ICjCoMKgIDAuMDAlKcKgwqDCoMKgIDg0MzcuNDEgKsKgwqAgMC44 NSUqCj4+IEhtZWFuwqDCoMKgwqAgMTI4wqDCoMKgwqAgNzA2MC44NyAowqDCoCAwLjAwJSnCoMKg wqDCoCA3MTUwLjI1ICrCoMKgIDEuMjclKgo+Pgo+PiBPbiBudW1hIDAtMToKPj4gwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgNS4xOS1yYzHC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcGF0Y2hlZAo+PiBIbWVhbsKgwqDCoMKgIDHC oMKgwqDCoMKgwqDCoCAzNDYuMTEgKMKgwqAgMC4wMCUpwqDCoMKgwqDCoCA0MDguNDcgKsKgIDE4 LjAyJSoKPj4gSG1lYW7CoMKgwqDCoCAywqDCoMKgwqDCoMKgwqAgNjkzLjM0ICjCoMKgIDAuMDAl KcKgwqDCoMKgwqAgODA1Ljc4ICrCoCAxNi4yMiUqCj4+IEhtZWFuwqDCoMKgwqAgNMKgwqDCoMKg wqDCoCAxMzg0Ljk2ICjCoMKgIDAuMDAlKcKgwqDCoMKgIDE2MDIuNDkgKsKgIDE1LjcxJSoKPj4g SG1lYW7CoMKgwqDCoCA4wqDCoMKgwqDCoMKgIDI2OTkuNDUgKMKgwqAgMC4wMCUpwqDCoMKgwqAg MzA2OS45OCAqwqAgMTMuNzMlKgo+PiBIbWVhbsKgwqDCoMKgIDE2wqDCoMKgwqDCoCA1MzI3LjEx ICjCoMKgIDAuMDAlKcKgwqDCoMKgIDU2ODguMTkgKsKgwqAgNi43OCUqCj4+IEhtZWFuwqDCoMKg wqAgMzLCoMKgwqDCoCAxMDAxOS4xMCAowqDCoCAwLjAwJSnCoMKgwqAgMTE4NjIuNTYgKsKgIDE4 LjQwJSoKPj4gSG1lYW7CoMKgwqDCoCA2NMKgwqDCoMKgIDEzODUwLjU3ICjCoMKgIDAuMDAlKcKg wqDCoCAxNzc0OC41NCAqwqAgMjguMTQlKgo+PiBIbWVhbsKgwqDCoMKgIDEyOMKgwqDCoCAxMjQ5 OC4yNSAowqDCoCAwLjAwJSnCoMKgwqAgMTU1NDEuNTkgKsKgIDI0LjM1JSoKPj4gSG1lYW7CoMKg wqDCoCAyNTbCoMKgwqAgMTExOTUuNzcgKMKgwqAgMC4wMCUpwqDCoMKgIDEzODU0LjA2ICrCoCAy My43NCUqCj4+Cj4+IFRlc3RlZC1ieTogWWljb25nIFlhbmcgPHlhbmd5aWNvbmdAaGlzaWxpY29u LmNvbT4KPj4gU2lnbmVkLW9mZi1ieTogQmFycnkgU29uZyA8c29uZy5iYW8uaHVhQGhpc2lsaWNv bi5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6IFlpY29uZyBZYW5nIDx5YW5neWljb25nQGhpc2lsaWNv bi5jb20+Cj4+IC0tLQo+PiDCoCBrZXJuZWwvc2NoZWQvZmFpci5jIHwgNDQgKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0KPj4gwqAgMSBmaWxlIGNoYW5nZWQsIDQx IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9rZXJuZWwv c2NoZWQvZmFpci5jIGIva2VybmVsL3NjaGVkL2ZhaXIuYwo+PiBpbmRleCA3N2IyMDQ4YTkzMjYu LjZkMTczZTE5NmFkMyAxMDA2NDQKPj4gLS0tIGEva2VybmVsL3NjaGVkL2ZhaXIuYwo+PiArKysg Yi9rZXJuZWwvc2NoZWQvZmFpci5jCj4+IEBAIC02MzI3LDYgKzYzMjcsNDAgQEAgc3RhdGljIGlu bGluZSBpbnQgc2VsZWN0X2lkbGVfc210KHN0cnVjdCB0YXNrX3N0cnVjdCAqcCwgc3RydWN0IHNj aGVkX2RvbWFpbiAqc2QKPj4gwqAgwqAgI2VuZGlmIC8qIENPTkZJR19TQ0hFRF9TTVQgKi8KPj4g wqAgKyNpZmRlZiBDT05GSUdfU0NIRURfQ0xVU1RFUgo+PiArLyoKPj4gKyAqIFNjYW4gdGhlIGNs dXN0ZXIgZG9tYWluIGZvciBpZGxlIENQVXMgYW5kIGNsZWFyIGNsdXN0ZXIgY3B1bWFzayBhZnRl ciBzY2FubmluZwo+PiArICovCj4+ICtzdGF0aWMgaW5saW5lIGludCBzY2FuX2NsdXN0ZXIoc3Ry dWN0IHRhc2tfc3RydWN0ICpwLCBzdHJ1Y3QgY3B1bWFzayAqY3B1cywKPj4gK8KgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBpbnQgdGFyZ2V0LCBpbnQgKm5yKQo+PiArewo+PiAr wqDCoMKgIHN0cnVjdCBzY2hlZF9kb21haW4gKnNkID0gcmN1X2RlcmVmZXJlbmNlKHBlcl9jcHUo c2RfY2x1c3RlciwgdGFyZ2V0KSk7Cj4+ICvCoMKgwqAgaW50IGNwdSwgaWRsZV9jcHU7Cj4+ICsK Pj4gK8KgwqDCoCAvKiBUT0RPOiBTdXBwb3J0IFNNVCBzeXN0ZW0gd2l0aCBjbHVzdGVyIHRvcG9s b2d5ICovCj4+ICvCoMKgwqAgaWYgKCFzY2hlZF9zbXRfYWN0aXZlKCkgJiYgc2QpIHsKPj4gK8Kg wqDCoMKgwqDCoMKgIGZvcl9lYWNoX2NwdV9hbmQoY3B1LCBjcHVzLCBzY2hlZF9kb21haW5fc3Bh bihzZCkpIHsKPj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKCEtLSpucikKPj4gK8KgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBicmVhazsKPiAKPiByZXR1cm4gLTE7Cj4gOikKPiAK CnRoYW5rcyBmb3IgdGhlIGNvbW1lbnQuIElmIHdlJ3ZlIHJ1biBvdXQgb2YgbnIgdGhlIHNlbGVj dF9pZGxlX2NwdSgpIHdpbGwgc3RvcCBzY2FubmluZyBhcyB3ZWxsLApzbyBpdCdzIHVubmVjZXNz YXJ5IHRvIGNsZWFyIHRoZSBtYXNrIG9mIGNsdXN0ZXIgY3B1cyBhbmQganVzdCByZXR1cm4uCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0t a2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2Vy bmVsCg==