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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B58E4C433E3 for ; Wed, 22 Jul 2020 14:47:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A2462071A for ; Wed, 22 Jul 2020 14:47:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marvell.com header.i=@marvell.com header.b="Xp4AdyKS"; dkim=pass (1024-bit key) header.d=marvell.onmicrosoft.com header.i=@marvell.onmicrosoft.com header.b="e09a3zWa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732638AbgGVOrw (ORCPT ); Wed, 22 Jul 2020 10:47:52 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:26294 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728405AbgGVOrv (ORCPT ); Wed, 22 Jul 2020 10:47:51 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06MEkh8m016190; Wed, 22 Jul 2020 07:47:14 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=pfpt0818; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=Xp4AdyKSekCrbtf9J61nh0nsndUJ3FvUw8wtK8lJdqHtXLjgaxv19G8KJYVCSWQfXSt7 Ic6/aF/29rEGZ1Hma/Q77okVgMbfSZ92Ppf9Lpq3Qvjj24rlcR+IpH50bCTS9CoQFHKD VW4J7nbBYCmmqIN9CV5V337hvnM6VsiZ/cLsxEXEPnP64lzCuH3OE3uxmFUMFrsmB7bF oWpzT9QGwenyhq1Sbd+l0o/UaNhgVzBzRPTWuDdobxlCNcJBEzZij+MvkmusqoIKqFaV +icActqyHLIQMn+o0PYsaJiN09sU5aOKt7PElNGKa4pondBG3ltrNkgrP7G/WMw1/Eo0 yA== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 32bxens6g6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 22 Jul 2020 07:47:14 -0700 Received: from SC-EXCH02.marvell.com (10.93.176.82) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 07:47:13 -0700 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (104.47.58.174) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 07:47:13 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=minH2iIryoKS0Dyq4fnC66xXcwHwSeDLMPnQ/7yI2EM0la+ePJAOjYxRLCQHWEKyAtNDKxUCIeCk01Klz++/pOqgj/csNvZYBE6TqK9jMJadcsc27GIOHJWlZ9ew8+0GjFkQ/FtOulpv54wbzTrr8Jm2OEiNSySNfXJ6K5CYLSVpvrQuyWvLh75SP5idzLp1hxOsYjeFmzQCMJ/4xhr+KCLEXj2tqY21weSSfTW65kWWHxMS+H9L7oP56snYsEpv05umDAz+VrWmXVdSf6z0rLn6864/Dv/hJDATQ9ob/nG8Jd3KQl839WM2EosgAlNZeb96PMWaHlRI/l34Chc26Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=E08oxM6BDkajx410Ryg/CsfUUoV925GFDxFFeH8vnSPp4KfCPrpBP6FmhlR7I6Z7uoCYL4zFaMOm5RrmgRDFUjvcIJDLVmkbjdP4e85YaD/hSFYh8707Dl7w2/ycpZIJXjGYzXBPfj1vPkpmZA6dCQ7TXZBv+d6xJmPT4El5dh/CVw49PxCYRu1EBrWrVGkU0EX8NQK5z6ZdkyPj66z6BGAqT7L/u2bPp+/8F8N21Qf8e/geMGU9sQc5UGeLxsaGXl7asM9skXGC+nSnugVBeCHBD5lEWPqwWjVdmkjCoQ74fkph1HR6OFmXW6WwCQ9ylJWfi8F/IwBFSMOjsVcNlg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=marvell.com; dmarc=pass action=none header.from=marvell.com; dkim=pass header.d=marvell.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.onmicrosoft.com; s=selector1-marvell-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=e09a3zWa7FifCaD68AlZgDONLej14Is8RBLJT5gBo2fCC1I5eIKCUR7W2cfpbOnLdhiEfTeKd00HY3DfJueU3kFHWjaIFnJZHOCl8q92R8JeURIZrwQSqAnj9HFlj4wSbEflG3Q4ImwU1BnqmwEwXKaws729Fyd5IUgoHaXsY6A= Received: from MW2PR18MB2267.namprd18.prod.outlook.com (2603:10b6:907:3::11) by MW2PR18MB2091.namprd18.prod.outlook.com (2603:10b6:907:2::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.20; Wed, 22 Jul 2020 14:47:11 +0000 Received: from MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32]) by MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32%4]) with mapi id 15.20.3195.026; Wed, 22 Jul 2020 14:47:11 +0000 From: Alex Belits To: "frederic@kernel.org" , "rostedt@goodmis.org" CC: Prasun Kapoor , "mingo@kernel.org" , "davem@davemloft.net" , "linux-api@vger.kernel.org" , "peterz@infradead.org" , "linux-arch@vger.kernel.org" , "catalin.marinas@arm.com" , "tglx@linutronix.de" , "will@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Subject: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Thread-Topic: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Thread-Index: AQHWYDb7+u4pW/dIVkegDrd39Y9d0w== Date: Wed, 22 Jul 2020 14:47:11 +0000 Message-ID: References: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> In-Reply-To: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=marvell.com; x-originating-ip: [173.228.7.197] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cc92bc9e-2e9f-4274-6198-08d82e4e1dfc x-ms-traffictypediagnostic: MW2PR18MB2091: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1186; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: iRCgcY9bBZrb3uXCU7/3qjjkoyJxo6NBMc+5CcH5lib8SezunaMZ/RihX3RjJU5dQ4/4xbvkJUkPFq4LLSdChoMitxZn/nb621mve7HvUwQSjX3Gk0ucr4VWv9NlhPgOpCsUhY+SpsfBlsXe8XMUHc7zRi+iWMiNQN5X5n9fXufugrqGKBWvzKf9TCG98yHpb8J01Wj8nbBUFU2j6tVU0JKs/2lV9fc4v6jKV+QDMSwKP4KAgUQseYu7ixqCOvK2KaN/zMKKOUUot564QGqElFx9voUuw37+moN8FePrPmK/JbF9kXYCTMDsum21B1GqorUT914FWbyZTAGvN/8CXg== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW2PR18MB2267.namprd18.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(39860400002)(346002)(366004)(396003)(136003)(376002)(8676002)(76116006)(91956017)(110136005)(66946007)(66446008)(64756008)(66556008)(66476007)(316002)(2906002)(6512007)(54906003)(6486002)(7416002)(478600001)(5660300002)(186003)(71200400001)(36756003)(2616005)(86362001)(4326008)(26005)(8936002)(6506007);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: M606+b3D8umwEBn+jJEZ/QhSWlYeZhoSO0zJjbGhs3X9vr70DpnJemjjkgscJYWv/pVj9+mXz+bzMNdmK5JP4qA2OVdQfmnoqPNUPV+zBi9jrIGJPp62wr7oelUHOF8uhe0u/8sfqH3VDanqoV42lBeTZHmG94ZreLxAdYMyjmv/xro7OOE6PG7R4qfVWrhzcjJOgY0N9lol4wNoeyAFXFgLr01xmVii1zcxJ79NizNrj1ec3Kj/ToXgRaa4wAxaN4zca1rwtwKAbCNd8snOWbU9GeH/kbgpkWHtwIVEwD+o9CvDPCYA08vSUrzfc80uma/ZKrQl7fWMUdps6ORiNT+YqNIXHVClLuJ3BiX2DjnxKhLl7O49ftWc7zh3xA6T41jjkkCYKfqH87lGgppBu3v7ok6ADd317aMgL57wasVfkb60LZcqNyZh2B/O1bh9EUFMA9HKaeescjxkdOL2FLhBhljuVg9vTKaAinoxzyI= Content-Type: text/plain; charset="utf-8" Content-ID: <71C0964DB92C2640A8A3A33709BD1768@namprd18.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR18MB2267.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc92bc9e-2e9f-4274-6198-08d82e4e1dfc X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2020 14:47:11.6802 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: EvfeeOPdAM9BpPxupbER8m5ewzrOU64HzuC0EwxrUiqn40lUn9OxeuMvczerSNVaOktWvplGZCG5dHTxhJhA0Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR18MB2091 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-22_09:2020-07-22,2020-07-22 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SW4gY29tbWl0IGYwMWYxN2QzNzA1YiAoIm1tLCB2bXN0YXQ6IG1ha2UgcXVpZXRfdm1zdGF0IGxp Z2h0ZXIiKQ0KdGhlIHF1aWV0X3Ztc3RhdCgpIGZ1bmN0aW9uIGJlY2FtZSBhc3luY2hyb25vdXMs IGluIHRoZSBzZW5zZSB0aGF0DQp0aGUgdm1zdGF0IHdvcmsgd2FzIHN0aWxsIHNjaGVkdWxlZCB0 byBydW4gb24gdGhlIGNvcmUgd2hlbiB0aGUNCmZ1bmN0aW9uIHJldHVybmVkLiAgRm9yIHRhc2sg aXNvbGF0aW9uLCB3ZSBuZWVkIGEgc3luY2hyb25vdXMNCnZlcnNpb24gb2YgdGhlIGZ1bmN0aW9u IHRoYXQgZ3VhcmFudGVlcyB0aGF0IHRoZSB2bXN0YXQgd29ya2VyDQp3aWxsIG5vdCBydW4gb24g dGhlIGNvcmUgb24gcmV0dXJuIGZyb20gdGhlIGZ1bmN0aW9uLiAgQWRkIGENCnF1aWV0X3Ztc3Rh dF9zeW5jKCkgZnVuY3Rpb24gd2l0aCB0aGF0IHNlbWFudGljLg0KDQpTaWduZWQtb2ZmLWJ5OiBD aHJpcyBNZXRjYWxmIDxjbWV0Y2FsZkBtZWxsYW5veC5jb20+DQpTaWduZWQtb2ZmLWJ5OiBBbGV4 IEJlbGl0cyA8YWJlbGl0c0BtYXJ2ZWxsLmNvbT4NCi0tLQ0KIGluY2x1ZGUvbGludXgvdm1zdGF0 LmggfCAyICsrDQogbW0vdm1zdGF0LmMgICAgICAgICAgICB8IDkgKysrKysrKysrDQogMiBmaWxl cyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspDQoNCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4 L3Ztc3RhdC5oIGIvaW5jbHVkZS9saW51eC92bXN0YXQuaA0KaW5kZXggYWE5NjEwODhjNTUxLi5k ZWQxNmRmZDIxZmEgMTAwNjQ0DQotLS0gYS9pbmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQorKysgYi9p bmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQpAQCAtMjcyLDYgKzI3Miw3IEBAIGV4dGVybiB2b2lkIF9f ZGVjX3pvbmVfc3RhdGUoc3RydWN0IHpvbmUgKiwgZW51bQ0Kem9uZV9zdGF0X2l0ZW0pOw0KIGV4 dGVybiB2b2lkIF9fZGVjX25vZGVfc3RhdGUoc3RydWN0IHBnbGlzdF9kYXRhICosIGVudW0NCm5v ZGVfc3RhdF9pdGVtKTsNCiANCiB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKTsNCit2b2lkIHF1aWV0 X3Ztc3RhdF9zeW5jKHZvaWQpOw0KIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50IGNwdSk7DQog dm9pZCByZWZyZXNoX3pvbmVfc3RhdF90aHJlc2hvbGRzKHZvaWQpOw0KIA0KQEAgLTM3NCw2ICsz NzUsNyBAQCBzdGF0aWMgaW5saW5lIHZvaWQgX19kZWNfbm9kZV9wYWdlX3N0YXRlKHN0cnVjdA0K cGFnZSAqcGFnZSwNCiBzdGF0aWMgaW5saW5lIHZvaWQgcmVmcmVzaF96b25lX3N0YXRfdGhyZXNo b2xkcyh2b2lkKSB7IH0NCiBzdGF0aWMgaW5saW5lIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50 IGNwdSkgeyB9DQogc3RhdGljIGlubGluZSB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKSB7IH0NCitz dGF0aWMgaW5saW5lIHZvaWQgcXVpZXRfdm1zdGF0X3N5bmModm9pZCkgeyB9DQogDQogc3RhdGlj IGlubGluZSB2b2lkIGRyYWluX3pvbmVzdGF0KHN0cnVjdCB6b25lICp6b25lLA0KIAkJCXN0cnVj dCBwZXJfY3B1X3BhZ2VzZXQgKnBzZXQpIHsgfQ0KZGlmZiAtLWdpdCBhL21tL3Ztc3RhdC5jIGIv bW0vdm1zdGF0LmMNCmluZGV4IDNmYjIzYTIxZjZkZC4uOTM1MzRmODUzN2NhIDEwMDY0NA0KLS0t IGEvbW0vdm1zdGF0LmMNCisrKyBiL21tL3Ztc3RhdC5jDQpAQCAtMTg4OSw2ICsxODg5LDE1IEBA IHZvaWQgcXVpZXRfdm1zdGF0KHZvaWQpDQogCXJlZnJlc2hfY3B1X3ZtX3N0YXRzKGZhbHNlKTsN CiB9DQogDQorLyoNCisgKiBTeW5jaHJvbm91c2x5IHF1aWV0IHZtc3RhdCBzbyB0aGUgd29yayBp cyBndWFyYW50ZWVkIG5vdCB0byBydW4gb24NCnJldHVybi4NCisgKi8NCit2b2lkIHF1aWV0X3Zt c3RhdF9zeW5jKHZvaWQpDQorew0KKwljYW5jZWxfZGVsYXllZF93b3JrX3N5bmModGhpc19jcHVf cHRyKCZ2bXN0YXRfd29yaykpOw0KKwlyZWZyZXNoX2NwdV92bV9zdGF0cyhmYWxzZSk7DQorfQ0K Kw0KIC8qDQogICogU2hlcGhlcmQgd29ya2VyIHRocmVhZCB0aGF0IGNoZWNrcyB0aGUNCiAgKiBk aWZmZXJlbnRpYWxzIG9mIHByb2Nlc3NvcnMgdGhhdCBoYXZlIHRoZWlyIHdvcmtlcg0KLS0gDQoy LjI2LjINCg0K From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Belits Subject: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Date: Wed, 22 Jul 2020 14:47:11 +0000 Message-ID: References: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <04be044c1bcd76b7438b7563edc35383417f12c8.camel-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org> Content-Language: en-US Content-ID: <71C0964DB92C2640A8A3A33709BD1768-WIijndS0fTycE4WynfumptQqCkab/8FMAL8bYrjMMd8@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "frederic-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org" Cc: Prasun Kapoor , "mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org" , "linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org" , "linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "catalin.marinas-5wv7dgnIgG8@public.gmane.org" , "tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org" , "will-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-arch.vger.kernel.org SW4gY29tbWl0IGYwMWYxN2QzNzA1YiAoIm1tLCB2bXN0YXQ6IG1ha2UgcXVpZXRfdm1zdGF0IGxp Z2h0ZXIiKQ0KdGhlIHF1aWV0X3Ztc3RhdCgpIGZ1bmN0aW9uIGJlY2FtZSBhc3luY2hyb25vdXMs IGluIHRoZSBzZW5zZSB0aGF0DQp0aGUgdm1zdGF0IHdvcmsgd2FzIHN0aWxsIHNjaGVkdWxlZCB0 byBydW4gb24gdGhlIGNvcmUgd2hlbiB0aGUNCmZ1bmN0aW9uIHJldHVybmVkLiAgRm9yIHRhc2sg aXNvbGF0aW9uLCB3ZSBuZWVkIGEgc3luY2hyb25vdXMNCnZlcnNpb24gb2YgdGhlIGZ1bmN0aW9u IHRoYXQgZ3VhcmFudGVlcyB0aGF0IHRoZSB2bXN0YXQgd29ya2VyDQp3aWxsIG5vdCBydW4gb24g dGhlIGNvcmUgb24gcmV0dXJuIGZyb20gdGhlIGZ1bmN0aW9uLiAgQWRkIGENCnF1aWV0X3Ztc3Rh dF9zeW5jKCkgZnVuY3Rpb24gd2l0aCB0aGF0IHNlbWFudGljLg0KDQpTaWduZWQtb2ZmLWJ5OiBD aHJpcyBNZXRjYWxmIDxjbWV0Y2FsZkBtZWxsYW5veC5jb20+DQpTaWduZWQtb2ZmLWJ5OiBBbGV4 IEJlbGl0cyA8YWJlbGl0c0BtYXJ2ZWxsLmNvbT4NCi0tLQ0KIGluY2x1ZGUvbGludXgvdm1zdGF0 LmggfCAyICsrDQogbW0vdm1zdGF0LmMgICAgICAgICAgICB8IDkgKysrKysrKysrDQogMiBmaWxl cyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspDQoNCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4 L3Ztc3RhdC5oIGIvaW5jbHVkZS9saW51eC92bXN0YXQuaA0KaW5kZXggYWE5NjEwODhjNTUxLi5k ZWQxNmRmZDIxZmEgMTAwNjQ0DQotLS0gYS9pbmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQorKysgYi9p bmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQpAQCAtMjcyLDYgKzI3Miw3IEBAIGV4dGVybiB2b2lkIF9f ZGVjX3pvbmVfc3RhdGUoc3RydWN0IHpvbmUgKiwgZW51bQ0Kem9uZV9zdGF0X2l0ZW0pOw0KIGV4 dGVybiB2b2lkIF9fZGVjX25vZGVfc3RhdGUoc3RydWN0IHBnbGlzdF9kYXRhICosIGVudW0NCm5v ZGVfc3RhdF9pdGVtKTsNCiANCiB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKTsNCit2b2lkIHF1aWV0 X3Ztc3RhdF9zeW5jKHZvaWQpOw0KIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50IGNwdSk7DQog dm9pZCByZWZyZXNoX3pvbmVfc3RhdF90aHJlc2hvbGRzKHZvaWQpOw0KIA0KQEAgLTM3NCw2ICsz NzUsNyBAQCBzdGF0aWMgaW5saW5lIHZvaWQgX19kZWNfbm9kZV9wYWdlX3N0YXRlKHN0cnVjdA0K cGFnZSAqcGFnZSwNCiBzdGF0aWMgaW5saW5lIHZvaWQgcmVmcmVzaF96b25lX3N0YXRfdGhyZXNo b2xkcyh2b2lkKSB7IH0NCiBzdGF0aWMgaW5saW5lIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50 IGNwdSkgeyB9DQogc3RhdGljIGlubGluZSB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKSB7IH0NCitz dGF0aWMgaW5saW5lIHZvaWQgcXVpZXRfdm1zdGF0X3N5bmModm9pZCkgeyB9DQogDQogc3RhdGlj IGlubGluZSB2b2lkIGRyYWluX3pvbmVzdGF0KHN0cnVjdCB6b25lICp6b25lLA0KIAkJCXN0cnVj dCBwZXJfY3B1X3BhZ2VzZXQgKnBzZXQpIHsgfQ0KZGlmZiAtLWdpdCBhL21tL3Ztc3RhdC5jIGIv bW0vdm1zdGF0LmMNCmluZGV4IDNmYjIzYTIxZjZkZC4uOTM1MzRmODUzN2NhIDEwMDY0NA0KLS0t IGEvbW0vdm1zdGF0LmMNCisrKyBiL21tL3Ztc3RhdC5jDQpAQCAtMTg4OSw2ICsxODg5LDE1IEBA IHZvaWQgcXVpZXRfdm1zdGF0KHZvaWQpDQogCXJlZnJlc2hfY3B1X3ZtX3N0YXRzKGZhbHNlKTsN CiB9DQogDQorLyoNCisgKiBTeW5jaHJvbm91c2x5IHF1aWV0IHZtc3RhdCBzbyB0aGUgd29yayBp cyBndWFyYW50ZWVkIG5vdCB0byBydW4gb24NCnJldHVybi4NCisgKi8NCit2b2lkIHF1aWV0X3Zt c3RhdF9zeW5jKHZvaWQpDQorew0KKwljYW5jZWxfZGVsYXllZF93b3JrX3N5bmModGhpc19jcHVf cHRyKCZ2bXN0YXRfd29yaykpOw0KKwlyZWZyZXNoX2NwdV92bV9zdGF0cyhmYWxzZSk7DQorfQ0K Kw0KIC8qDQogICogU2hlcGhlcmQgd29ya2VyIHRocmVhZCB0aGF0IGNoZWNrcyB0aGUNCiAgKiBk aWZmZXJlbnRpYWxzIG9mIHByb2Nlc3NvcnMgdGhhdCBoYXZlIHRoZWlyIHdvcmtlcg0KLS0gDQoy LjI2LjINCg0K From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:26294 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728405AbgGVOrv (ORCPT ); Wed, 22 Jul 2020 10:47:51 -0400 From: Alex Belits Subject: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Date: Wed, 22 Jul 2020 14:47:11 +0000 Message-ID: References: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> In-Reply-To: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <71C0964DB92C2640A8A3A33709BD1768@namprd18.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-arch-owner@vger.kernel.org List-ID: To: "frederic@kernel.org" , "rostedt@goodmis.org" Cc: Prasun Kapoor , "mingo@kernel.org" , "davem@davemloft.net" , "linux-api@vger.kernel.org" , "peterz@infradead.org" , "linux-arch@vger.kernel.org" , "catalin.marinas@arm.com" , "tglx@linutronix.de" , "will@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Message-ID: <20200722144711.bIN-b_qxkKYKSRBTmhIIvHTuODHEhUAf7hschG6hFeM@z> SW4gY29tbWl0IGYwMWYxN2QzNzA1YiAoIm1tLCB2bXN0YXQ6IG1ha2UgcXVpZXRfdm1zdGF0IGxp Z2h0ZXIiKQ0KdGhlIHF1aWV0X3Ztc3RhdCgpIGZ1bmN0aW9uIGJlY2FtZSBhc3luY2hyb25vdXMs IGluIHRoZSBzZW5zZSB0aGF0DQp0aGUgdm1zdGF0IHdvcmsgd2FzIHN0aWxsIHNjaGVkdWxlZCB0 byBydW4gb24gdGhlIGNvcmUgd2hlbiB0aGUNCmZ1bmN0aW9uIHJldHVybmVkLiAgRm9yIHRhc2sg aXNvbGF0aW9uLCB3ZSBuZWVkIGEgc3luY2hyb25vdXMNCnZlcnNpb24gb2YgdGhlIGZ1bmN0aW9u IHRoYXQgZ3VhcmFudGVlcyB0aGF0IHRoZSB2bXN0YXQgd29ya2VyDQp3aWxsIG5vdCBydW4gb24g dGhlIGNvcmUgb24gcmV0dXJuIGZyb20gdGhlIGZ1bmN0aW9uLiAgQWRkIGENCnF1aWV0X3Ztc3Rh dF9zeW5jKCkgZnVuY3Rpb24gd2l0aCB0aGF0IHNlbWFudGljLg0KDQpTaWduZWQtb2ZmLWJ5OiBD aHJpcyBNZXRjYWxmIDxjbWV0Y2FsZkBtZWxsYW5veC5jb20+DQpTaWduZWQtb2ZmLWJ5OiBBbGV4 IEJlbGl0cyA8YWJlbGl0c0BtYXJ2ZWxsLmNvbT4NCi0tLQ0KIGluY2x1ZGUvbGludXgvdm1zdGF0 LmggfCAyICsrDQogbW0vdm1zdGF0LmMgICAgICAgICAgICB8IDkgKysrKysrKysrDQogMiBmaWxl cyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspDQoNCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4 L3Ztc3RhdC5oIGIvaW5jbHVkZS9saW51eC92bXN0YXQuaA0KaW5kZXggYWE5NjEwODhjNTUxLi5k ZWQxNmRmZDIxZmEgMTAwNjQ0DQotLS0gYS9pbmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQorKysgYi9p bmNsdWRlL2xpbnV4L3Ztc3RhdC5oDQpAQCAtMjcyLDYgKzI3Miw3IEBAIGV4dGVybiB2b2lkIF9f ZGVjX3pvbmVfc3RhdGUoc3RydWN0IHpvbmUgKiwgZW51bQ0Kem9uZV9zdGF0X2l0ZW0pOw0KIGV4 dGVybiB2b2lkIF9fZGVjX25vZGVfc3RhdGUoc3RydWN0IHBnbGlzdF9kYXRhICosIGVudW0NCm5v ZGVfc3RhdF9pdGVtKTsNCiANCiB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKTsNCit2b2lkIHF1aWV0 X3Ztc3RhdF9zeW5jKHZvaWQpOw0KIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50IGNwdSk7DQog dm9pZCByZWZyZXNoX3pvbmVfc3RhdF90aHJlc2hvbGRzKHZvaWQpOw0KIA0KQEAgLTM3NCw2ICsz NzUsNyBAQCBzdGF0aWMgaW5saW5lIHZvaWQgX19kZWNfbm9kZV9wYWdlX3N0YXRlKHN0cnVjdA0K cGFnZSAqcGFnZSwNCiBzdGF0aWMgaW5saW5lIHZvaWQgcmVmcmVzaF96b25lX3N0YXRfdGhyZXNo b2xkcyh2b2lkKSB7IH0NCiBzdGF0aWMgaW5saW5lIHZvaWQgY3B1X3ZtX3N0YXRzX2ZvbGQoaW50 IGNwdSkgeyB9DQogc3RhdGljIGlubGluZSB2b2lkIHF1aWV0X3Ztc3RhdCh2b2lkKSB7IH0NCitz dGF0aWMgaW5saW5lIHZvaWQgcXVpZXRfdm1zdGF0X3N5bmModm9pZCkgeyB9DQogDQogc3RhdGlj IGlubGluZSB2b2lkIGRyYWluX3pvbmVzdGF0KHN0cnVjdCB6b25lICp6b25lLA0KIAkJCXN0cnVj dCBwZXJfY3B1X3BhZ2VzZXQgKnBzZXQpIHsgfQ0KZGlmZiAtLWdpdCBhL21tL3Ztc3RhdC5jIGIv bW0vdm1zdGF0LmMNCmluZGV4IDNmYjIzYTIxZjZkZC4uOTM1MzRmODUzN2NhIDEwMDY0NA0KLS0t IGEvbW0vdm1zdGF0LmMNCisrKyBiL21tL3Ztc3RhdC5jDQpAQCAtMTg4OSw2ICsxODg5LDE1IEBA IHZvaWQgcXVpZXRfdm1zdGF0KHZvaWQpDQogCXJlZnJlc2hfY3B1X3ZtX3N0YXRzKGZhbHNlKTsN CiB9DQogDQorLyoNCisgKiBTeW5jaHJvbm91c2x5IHF1aWV0IHZtc3RhdCBzbyB0aGUgd29yayBp cyBndWFyYW50ZWVkIG5vdCB0byBydW4gb24NCnJldHVybi4NCisgKi8NCit2b2lkIHF1aWV0X3Zt c3RhdF9zeW5jKHZvaWQpDQorew0KKwljYW5jZWxfZGVsYXllZF93b3JrX3N5bmModGhpc19jcHVf cHRyKCZ2bXN0YXRfd29yaykpOw0KKwlyZWZyZXNoX2NwdV92bV9zdGF0cyhmYWxzZSk7DQorfQ0K Kw0KIC8qDQogICogU2hlcGhlcmQgd29ya2VyIHRocmVhZCB0aGF0IGNoZWNrcyB0aGUNCiAgKiBk aWZmZXJlbnRpYWxzIG9mIHByb2Nlc3NvcnMgdGhhdCBoYXZlIHRoZWlyIHdvcmtlcg0KLS0gDQoy LjI2LjINCg0K 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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 193DFC433E0 for ; Wed, 22 Jul 2020 14:49:18 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D576C2071A for ; Wed, 22 Jul 2020 14:49:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G4hqQQH7"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marvell.com header.i=@marvell.com header.b="Xp4AdyKS"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=marvell.onmicrosoft.com header.i=@marvell.onmicrosoft.com header.b="e09a3zWa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D576C2071A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Content-ID:In-Reply-To:References: Message-ID:Date:Subject:To:From:Reply-To:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TANFIrKKQ0E5ufRSSaCXhKNEsv69fRM27WbHiB5UgqE=; b=G4hqQQH70EdgUGOxoC6j8MixN RdmX+cbYFB4YrlZJNEptz0fasF4a8yQ89RRnc2MCmGZ0NAeX70oRHzejh+PFwi7YwmZ+/2Nt4V0PL IWn2YOMJubLYPAPrZwfD6YMygqKyfq1EUXMT9jSLvf/tdTKzLDWVeNnjNsUH4wNb7IBbDPEu9ZWdF SDAusmLkTvTqWKr7NobZJ1EY0NxXOK2TVh/esYXMRVovYCBGnyOb6ufnuFCkRj6uv/Xt6G2QGgcxN i5WF+9ykrRrGTrrbzFhYkqLJtzdhrbuLtWp1en9zioicgnyMmHhcun9wTwREjKeiwYAPV7Ljr6Cf7 g0CxVFoiw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyG2D-0007RK-Ih; Wed, 22 Jul 2020 14:47:53 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyG29-0007Qc-OK for linux-arm-kernel@lists.infradead.org; Wed, 22 Jul 2020 14:47:50 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06MEkh8m016190; Wed, 22 Jul 2020 07:47:14 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=pfpt0818; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=Xp4AdyKSekCrbtf9J61nh0nsndUJ3FvUw8wtK8lJdqHtXLjgaxv19G8KJYVCSWQfXSt7 Ic6/aF/29rEGZ1Hma/Q77okVgMbfSZ92Ppf9Lpq3Qvjj24rlcR+IpH50bCTS9CoQFHKD VW4J7nbBYCmmqIN9CV5V337hvnM6VsiZ/cLsxEXEPnP64lzCuH3OE3uxmFUMFrsmB7bF oWpzT9QGwenyhq1Sbd+l0o/UaNhgVzBzRPTWuDdobxlCNcJBEzZij+MvkmusqoIKqFaV +icActqyHLIQMn+o0PYsaJiN09sU5aOKt7PElNGKa4pondBG3ltrNkgrP7G/WMw1/Eo0 yA== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 32bxens6g6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 22 Jul 2020 07:47:14 -0700 Received: from SC-EXCH02.marvell.com (10.93.176.82) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 07:47:13 -0700 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (104.47.58.174) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 07:47:13 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=minH2iIryoKS0Dyq4fnC66xXcwHwSeDLMPnQ/7yI2EM0la+ePJAOjYxRLCQHWEKyAtNDKxUCIeCk01Klz++/pOqgj/csNvZYBE6TqK9jMJadcsc27GIOHJWlZ9ew8+0GjFkQ/FtOulpv54wbzTrr8Jm2OEiNSySNfXJ6K5CYLSVpvrQuyWvLh75SP5idzLp1hxOsYjeFmzQCMJ/4xhr+KCLEXj2tqY21weSSfTW65kWWHxMS+H9L7oP56snYsEpv05umDAz+VrWmXVdSf6z0rLn6864/Dv/hJDATQ9ob/nG8Jd3KQl839WM2EosgAlNZeb96PMWaHlRI/l34Chc26Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=E08oxM6BDkajx410Ryg/CsfUUoV925GFDxFFeH8vnSPp4KfCPrpBP6FmhlR7I6Z7uoCYL4zFaMOm5RrmgRDFUjvcIJDLVmkbjdP4e85YaD/hSFYh8707Dl7w2/ycpZIJXjGYzXBPfj1vPkpmZA6dCQ7TXZBv+d6xJmPT4El5dh/CVw49PxCYRu1EBrWrVGkU0EX8NQK5z6ZdkyPj66z6BGAqT7L/u2bPp+/8F8N21Qf8e/geMGU9sQc5UGeLxsaGXl7asM9skXGC+nSnugVBeCHBD5lEWPqwWjVdmkjCoQ74fkph1HR6OFmXW6WwCQ9ylJWfi8F/IwBFSMOjsVcNlg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=marvell.com; dmarc=pass action=none header.from=marvell.com; dkim=pass header.d=marvell.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.onmicrosoft.com; s=selector1-marvell-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p6bTuXQ7WRxMymEyANQpDO/i/w9XN7WepnoSu9OWtzw=; b=e09a3zWa7FifCaD68AlZgDONLej14Is8RBLJT5gBo2fCC1I5eIKCUR7W2cfpbOnLdhiEfTeKd00HY3DfJueU3kFHWjaIFnJZHOCl8q92R8JeURIZrwQSqAnj9HFlj4wSbEflG3Q4ImwU1BnqmwEwXKaws729Fyd5IUgoHaXsY6A= Received: from MW2PR18MB2267.namprd18.prod.outlook.com (2603:10b6:907:3::11) by MW2PR18MB2091.namprd18.prod.outlook.com (2603:10b6:907:2::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.20; Wed, 22 Jul 2020 14:47:11 +0000 Received: from MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32]) by MW2PR18MB2267.namprd18.prod.outlook.com ([fe80::b9a6:a3f2:2263:dc32%4]) with mapi id 15.20.3195.026; Wed, 22 Jul 2020 14:47:11 +0000 From: Alex Belits To: "frederic@kernel.org" , "rostedt@goodmis.org" Subject: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Thread-Topic: [PATCH v4 01/13] task_isolation: vmstat: add quiet_vmstat_sync function Thread-Index: AQHWYDb7+u4pW/dIVkegDrd39Y9d0w== Date: Wed, 22 Jul 2020 14:47:11 +0000 Message-ID: References: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> In-Reply-To: <04be044c1bcd76b7438b7563edc35383417f12c8.camel@marvell.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=marvell.com; x-originating-ip: [173.228.7.197] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cc92bc9e-2e9f-4274-6198-08d82e4e1dfc x-ms-traffictypediagnostic: MW2PR18MB2091: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1186; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: iRCgcY9bBZrb3uXCU7/3qjjkoyJxo6NBMc+5CcH5lib8SezunaMZ/RihX3RjJU5dQ4/4xbvkJUkPFq4LLSdChoMitxZn/nb621mve7HvUwQSjX3Gk0ucr4VWv9NlhPgOpCsUhY+SpsfBlsXe8XMUHc7zRi+iWMiNQN5X5n9fXufugrqGKBWvzKf9TCG98yHpb8J01Wj8nbBUFU2j6tVU0JKs/2lV9fc4v6jKV+QDMSwKP4KAgUQseYu7ixqCOvK2KaN/zMKKOUUot564QGqElFx9voUuw37+moN8FePrPmK/JbF9kXYCTMDsum21B1GqorUT914FWbyZTAGvN/8CXg== x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MW2PR18MB2267.namprd18.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(39860400002)(346002)(366004)(396003)(136003)(376002)(8676002)(76116006)(91956017)(110136005)(66946007)(66446008)(64756008)(66556008)(66476007)(316002)(2906002)(6512007)(54906003)(6486002)(7416002)(478600001)(5660300002)(186003)(71200400001)(36756003)(2616005)(86362001)(4326008)(26005)(8936002)(6506007); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: M606+b3D8umwEBn+jJEZ/QhSWlYeZhoSO0zJjbGhs3X9vr70DpnJemjjkgscJYWv/pVj9+mXz+bzMNdmK5JP4qA2OVdQfmnoqPNUPV+zBi9jrIGJPp62wr7oelUHOF8uhe0u/8sfqH3VDanqoV42lBeTZHmG94ZreLxAdYMyjmv/xro7OOE6PG7R4qfVWrhzcjJOgY0N9lol4wNoeyAFXFgLr01xmVii1zcxJ79NizNrj1ec3Kj/ToXgRaa4wAxaN4zca1rwtwKAbCNd8snOWbU9GeH/kbgpkWHtwIVEwD+o9CvDPCYA08vSUrzfc80uma/ZKrQl7fWMUdps6ORiNT+YqNIXHVClLuJ3BiX2DjnxKhLl7O49ftWc7zh3xA6T41jjkkCYKfqH87lGgppBu3v7ok6ADd317aMgL57wasVfkb60LZcqNyZh2B/O1bh9EUFMA9HKaeescjxkdOL2FLhBhljuVg9vTKaAinoxzyI= Content-ID: <71C0964DB92C2640A8A3A33709BD1768@namprd18.prod.outlook.com> MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR18MB2267.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc92bc9e-2e9f-4274-6198-08d82e4e1dfc X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2020 14:47:11.6802 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: EvfeeOPdAM9BpPxupbER8m5ewzrOU64HzuC0EwxrUiqn40lUn9OxeuMvczerSNVaOktWvplGZCG5dHTxhJhA0Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR18MB2091 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-22_09:2020-07-22, 2020-07-22 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200722_104749_944781_CA73EBEB X-CRM114-Status: GOOD ( 18.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-arch@vger.kernel.org" , "catalin.marinas@arm.com" , "peterz@infradead.org" , Prasun Kapoor , "linux-kernel@vger.kernel.org" , "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-api@vger.kernel.org" , "tglx@linutronix.de" , "will@kernel.org" , "mingo@kernel.org" , "linux-arm-kernel@lists.infradead.org" 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 In commit f01f17d3705b ("mm, vmstat: make quiet_vmstat lighter") the quiet_vmstat() function became asynchronous, in the sense that the vmstat work was still scheduled to run on the core when the function returned. For task isolation, we need a synchronous version of the function that guarantees that the vmstat worker will not run on the core on return from the function. Add a quiet_vmstat_sync() function with that semantic. Signed-off-by: Chris Metcalf Signed-off-by: Alex Belits --- include/linux/vmstat.h | 2 ++ mm/vmstat.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index aa961088c551..ded16dfd21fa 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -272,6 +272,7 @@ extern void __dec_zone_state(struct zone *, enum zone_stat_item); extern void __dec_node_state(struct pglist_data *, enum node_stat_item); void quiet_vmstat(void); +void quiet_vmstat_sync(void); void cpu_vm_stats_fold(int cpu); void refresh_zone_stat_thresholds(void); @@ -374,6 +375,7 @@ static inline void __dec_node_page_state(struct page *page, static inline void refresh_zone_stat_thresholds(void) { } static inline void cpu_vm_stats_fold(int cpu) { } static inline void quiet_vmstat(void) { } +static inline void quiet_vmstat_sync(void) { } static inline void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) { } diff --git a/mm/vmstat.c b/mm/vmstat.c index 3fb23a21f6dd..93534f8537ca 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1889,6 +1889,15 @@ void quiet_vmstat(void) refresh_cpu_vm_stats(false); } +/* + * Synchronously quiet vmstat so the work is guaranteed not to run on return. + */ +void quiet_vmstat_sync(void) +{ + cancel_delayed_work_sync(this_cpu_ptr(&vmstat_work)); + refresh_cpu_vm_stats(false); +} + /* * Shepherd worker thread that checks the * differentials of processors that have their worker -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel