From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
by inbox.dpdk.org (Postfix) with ESMTP id 627D5A0579;
Thu, 8 Apr 2021 11:08:17 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
by mails.dpdk.org (Postfix) with ESMTP id 22371140F73;
Thu, 8 Apr 2021 11:08:17 +0200 (CEST)
Received: from FRA01-PR2-obe.outbound.protection.outlook.com
(mail-eopbgr120050.outbound.protection.outlook.com [40.107.12.50])
by mails.dpdk.org (Postfix) with ESMTP id 43C3240138
for <dev@dpdk.org>; Thu, 8 Apr 2021 11:08:15 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com;
s=selector2-armh-onmicrosoft-com;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
bh=00N3TueK9580AE3cAxaqks7DXsjLOrGbhwLF5pzYCHI=;
b=9xqWzYKPf47946t+CHBA73XSMSLYcmZwsP8P6yGPamnqGSY593j8chGRT78Msu4xUz9hpCzPdEPrrxhC426f8O8JSoWbI5LY8pc0wSxsAyXvhZEZ8RQB/Y7SVTLoJmdxJQv4L1xSfTtaLKLs6r2EfOtsIHp8+6mT5xuxIQsAYO4=
Received: from AM6P191CA0067.EURP191.PROD.OUTLOOK.COM (2603:10a6:209:7f::44)
by PR2PR08MB5225.eurprd08.prod.outlook.com (2603:10a6:101:1c::23) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3999.32; Thu, 8 Apr
2021 09:08:13 +0000
Received: from AM5EUR03FT064.eop-EUR03.prod.protection.outlook.com
(2603:10a6:209:7f:cafe::f8) by AM6P191CA0067.outlook.office365.com
(2603:10a6:209:7f::44) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.17 via Frontend
Transport; Thu, 8 Apr 2021 09:08:13 +0000
X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123)
smtp.mailfrom=arm.com; dpdk.org; dkim=pass (signature was verified)
header.d=armh.onmicrosoft.com;dpdk.org; dmarc=pass action=none
header.from=arm.com;
Received-SPF: Pass (protection.outlook.com: domain of arm.com designates
63.35.35.123 as permitted sender) receiver=protection.outlook.com;
client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com;
Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by
AM5EUR03FT064.mail.protection.outlook.com (10.152.17.53) with
Microsoft SMTP
Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
15.20.4020.17 via Frontend Transport; Thu, 8 Apr 2021 09:08:12 +0000
Received: ("Tessian outbound 700fd1fc53d5:v90");
Thu, 08 Apr 2021 09:08:11 +0000
X-CR-MTA-TID: 64aa7808
Received: from 8d400ab9ff2f.1
by 64aa7808-outbound-1.mta.getcheckrecipient.com id
25F34DDD-C9FA-499F-A0C6-68CC70A672CD.1;
Thu, 08 Apr 2021 09:08:05 +0000
Received: from EUR04-DB3-obe.outbound.protection.outlook.com
by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id 8d400ab9ff2f.1
(version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384);
Thu, 08 Apr 2021 09:08:05 +0000
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
b=Py4rfKipF37NxQ4i7FvH3R8vISzAxXH3myGVtcmVfdnUumKkjIVW4plnCiEua03m7X9VkATHYh8b2eQna1T+nTezEzcYoLQ6nh9P7lGpjXAvNqO/DdHi4vo/SSMPXmDUYPX2cy9PgZHHXD448/5+RQo0BFN4TZZJm6ZlZk7hF/y+UYW2lcW7KDo56Q4kViCVGZGuEXtxbBOONPJLaq8bEztAUCzqmVU1iYRmHZfZ8EQ3fWTK3uZPVvHeMfVp8vVToCQc8TFdX3Zur0bHz4eTvzfyhug+iqpCAXBe4fl/5XYr1UWn/7P7Mie1E4pMsguwNqA0FtFKhO4Tlg8BnjmdJg==
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=00N3TueK9580AE3cAxaqks7DXsjLOrGbhwLF5pzYCHI=;
b=TlLT8qEzmwck5Lz98r6D8vM0PyGJqOzLnoT++likLpNrl90pyM6aULM2w6WWkGr3Jm2oeVIuRrKb1rA5rb7XV8KEHz6J9kft+bQfqk+YToGoqjhce/QrZLmsXaYBDgknUXC1KQsRnIOs9k648GIsE00lmVgPIY2FMebyp8pHTRg6Fj4T2zXcPzZqqUgM4Yl5X1ZwlDWLiwxCZHxip7Zemb7IT4KEDm+gYWy7l7JqQigN+sEjNMTn62ETsY64Y1YMNBbcp7yMKn9dL5xQDBWWB2TyJcuxmeWpMWT8e4AcG/F1tP4Q3ZZkiDMVnttGMSLrSdYlpRvml3Q/PEJS6BfYnQ==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass
smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass
header.d=arm.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com;
s=selector2-armh-onmicrosoft-com;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
bh=00N3TueK9580AE3cAxaqks7DXsjLOrGbhwLF5pzYCHI=;
b=9xqWzYKPf47946t+CHBA73XSMSLYcmZwsP8P6yGPamnqGSY593j8chGRT78Msu4xUz9hpCzPdEPrrxhC426f8O8JSoWbI5LY8pc0wSxsAyXvhZEZ8RQB/Y7SVTLoJmdxJQv4L1xSfTtaLKLs6r2EfOtsIHp8+6mT5xuxIQsAYO4=
Received: from AM8PR08MB5796.eurprd08.prod.outlook.com (2603:10a6:20b:1d1::22)
by AM0PR08MB3923.eurprd08.prod.outlook.com (2603:10a6:208:123::19)
with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3999.29; Thu, 8 Apr
2021 09:08:03 +0000
Received: from AM8PR08MB5796.eurprd08.prod.outlook.com
([fe80::8dde:97cd:c482:ef11]) by AM8PR08MB5796.eurprd08.prod.outlook.com
([fe80::8dde:97cd:c482:ef11%4]) with mapi id 15.20.3999.032; Thu, 8 Apr 2021
09:08:03 +0000
From: Richael Zhuang <Richael.Zhuang@arm.com>
To: Liang Ma <liangma@liangbit.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: nd <nd@arm.com>, Richael Zhuang <Richael.Zhuang@arm.com>, nd <nd@arm.com>
Thread-Topic: [dpdk-dev] [PATCH v3 3/3] test/power: add delay before checking
cpuinfo cur freq
Thread-Index: AQHXK4I/dLaITDxW90Om6eoWJSCbBKqo1p0AgAE+CXCAAC0vgIAAE66w
Date: Thu, 8 Apr 2021 09:08:03 +0000
Message-ID: <AM8PR08MB5796DFC1C5186CDF4350F8E492749@AM8PR08MB5796.eurprd08.prod.outlook.com>
References: <20210407023910.51052-1-richael.zhuang@arm.com>
<20210407074636.26891-1-richael.zhuang@arm.com>
<20210407074636.26891-4-richael.zhuang@arm.com>
<YG2GDuV9B71bcGpA@C02F33EJML85>
<AM8PR08MB5796FEC096ED517A166764AF92749@AM8PR08MB5796.eurprd08.prod.outlook.com>
<YG62v/B9AQVxayu2@C02F33EJML85>
In-Reply-To: <YG62v/B9AQVxayu2@C02F33EJML85>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ts-tracking-id: 15C301D4DE2ED344BC39A99C85453A85.0
x-checkrecipientchecked: true
Authentication-Results-Original: liangbit.com; dkim=none (message not signed)
header.d=none; liangbit.com;
dmarc=none action=none header.from=arm.com;
x-originating-ip: [203.126.0.113]
x-ms-publictraffictype: Email
X-MS-Office365-Filtering-Correlation-Id: 51fb427e-fff2-462c-25b3-08d8fa6dd642
x-ms-traffictypediagnostic: AM0PR08MB3923:|PR2PR08MB5225:
x-ms-exchange-transport-forked: True
X-Microsoft-Antispam-PRVS: <PR2PR08MB5225834D67F619F6C3C6191492749@PR2PR08MB5225.eurprd08.prod.outlook.com>
x-checkrecipientrouted: true
nodisclaimer: true
x-ms-oob-tlc-oobclassifiers: OLM:4303;OLM:7691;
X-MS-Exchange-SenderADCheck: 1
X-Microsoft-Antispam-Untrusted: BCL:0;
X-Microsoft-Antispam-Message-Info-Original: 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
X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255; CTRY:; LANG:en;
SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM8PR08MB5796.eurprd08.prod.outlook.com;
PTR:; CAT:NONE;
SFS:(4636009)(39860400002)(346002)(376002)(396003)(136003)(366004)(38100700001)(76116006)(5660300002)(110136005)(7696005)(55016002)(26005)(9686003)(52536014)(4326008)(478600001)(316002)(66446008)(64756008)(86362001)(66556008)(66946007)(66476007)(2906002)(71200400001)(8936002)(186003)(8676002)(53546011)(83380400001)(6506007)(54906003)(33656002);
DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata: =?us-ascii?Q?K4Ozkye+V3NrqF9NXmdDSUIS5K7p1DvXDbo8NkLQYukVWSifkmcLSUxlRw3H?=
=?us-ascii?Q?rqOgj/O+QjeTO89sQMYVM77evjy2Yhmd8WlpB2bfzNUxTKf1HuPBG2UwgMF3?=
=?us-ascii?Q?eQ1e24wKjlZckbEV1JdMneBP8JoE1qVfO6nwdwyc07wUY0O5khi/0scnii/v?=
=?us-ascii?Q?3gL2ofUS2gpiSpN9fjzY220Bahou+f1yQw/LEuuvDfIF5Jc265wesvgihLFf?=
=?us-ascii?Q?YLXeDQrhXcjtIPMcy9QxSggg7eh9RGPkjJQnT0phrlxTZBTsJuLCt26+boTR?=
=?us-ascii?Q?8WMSlu+nxhIg5isLtyNwSKp41ZV78EsIylQs12C6AfqGgIOdckKzKx1KBE9l?=
=?us-ascii?Q?VsFkTfsttemKLHUj0vh8VWGHzkL4OTvBRFAU+ErP8DR0dAIfeMrvM6MYdIXC?=
=?us-ascii?Q?XUr6xhoiIR1NiH71zeQsBuIEgGyQXWVr+j5NEUdwArVuyEs93XcxUJqHZxV2?=
=?us-ascii?Q?oX+/UyQJLB1wy7XUUb1l5ax51OFHfpd+58RLXKe6l0YmwfsgmtWJLtbPWg6Y?=
=?us-ascii?Q?gI6vcvuqgXehN3y8PydouLuGYbZg9B1Hv1PrX6etXGvV7Iy/ojXu3A3pZ8jL?=
=?us-ascii?Q?sEEkqcynsQPfYLNVxZ0aLFp30kqM82/P5LHrG+1KJG+y9cuIJ86vEISkdAUv?=
=?us-ascii?Q?Zi9dk4/FR1rbZDwf9RM6oIM1wPK9YIhX/CDLmEzQV/mRclzKmxJvqm9FoFSc?=
=?us-ascii?Q?di7ndgVEIIxxpImy7u07ZOTUjRU3jIA6gzhVe/ZcPOlqjOmxflHLkDP+1F5q?=
=?us-ascii?Q?qzaDLvqVRW7Gpl0O9OtO1SBCwYII1UzwRoi6ioobx7hYhn2gqs+a5fxghf0X?=
=?us-ascii?Q?TfN+KEoazeYuBL9ubN8wgs5TXR0SV/FHLySRGZP0de+7a5ZxCteaMDW5e27Y?=
=?us-ascii?Q?Q4SB95sfDR/1JHb0QUb4qpRoqsmI0L8xYKS+zgxEEx1sNXjHsXsNsd0VEYi8?=
=?us-ascii?Q?p4tdO7KoAHU3hnMOH6Wf+Ubh9BdAeUbRipQwl6Ld/xEY/I++eXhoB5ZmmWcn?=
=?us-ascii?Q?BJRTF74F0lzYDUKACrOhqSj7utm1+RnLulPVmY8YjA9Cc4Rnhbycu7yODc5+?=
=?us-ascii?Q?aPDCNeBHJRNFBOXoudKt4k+I7vxg0pj9n/cofpXB3g/HhX0nPPOQ/+CU9Uxk?=
=?us-ascii?Q?iqzb5CRM9bsvUTBXvA5Uh7IkHpQZ4chvyGUuKE7bGQi+4hIubAxOMNP1Juzm?=
=?us-ascii?Q?d26s91QQ9fcmVFn8DmL8exB2YME8h0LonL64R6/SqYEW9i65qt2cXsE0GPWw?=
=?us-ascii?Q?Rx+i3NL3A1gdZ4FSBmPZHnfGye8k4IbUnrQvq9mwh8wFHQ6T65Atyqb8KcQE?=
=?us-ascii?Q?VzvZpLrvHounjxNSVH+mzmyQ?=
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3923
Original-Authentication-Results: liangbit.com; dkim=none (message not signed)
header.d=none; liangbit.com;
dmarc=none action=none header.from=arm.com;
X-EOPAttributedMessage: 0
X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM5EUR03FT064.eop-EUR03.prod.protection.outlook.com
X-MS-Office365-Filtering-Correlation-Id-Prvs: 14a3617e-2bc8-4e02-9369-08d8fa6dd0b6
X-Microsoft-Antispam: BCL:0;
X-Microsoft-Antispam-Message-Info: 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
X-Forefront-Antispam-Report: CIP:63.35.35.123; CTRY:IE; LANG:en; SCL:1; SRV:;
IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com;
PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE;
SFS:(4636009)(39860400002)(346002)(396003)(376002)(136003)(46966006)(36840700001)(70206006)(8676002)(8936002)(7696005)(6506007)(336012)(81166007)(356005)(82310400003)(4326008)(70586007)(2906002)(86362001)(33656002)(5660300002)(55016002)(53546011)(186003)(54906003)(110136005)(9686003)(316002)(26005)(52536014)(83380400001)(47076005)(36860700001)(82740400003)(478600001);
DIR:OUT; SFP:1101;
X-OriginatorOrg: arm.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2021 09:08:12.5150 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 51fb427e-fff2-462c-25b3-08d8fa6dd642
X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123];
Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com]
X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT064.eop-EUR03.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR2PR08MB5225
Subject: Re: [dpdk-dev] [PATCH v3 3/3] test/power: add delay before checking
cpuinfo cur freq
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>
> -----Original Message-----
> From: Liang Ma <liangma@liangbit.com>
> Sent: Thursday, April 8, 2021 3:55 PM
> To: Richael Zhuang <Richael.Zhuang@arm.com>
> Cc: dev@dpdk.org; alan.carew@intel.com; stable@dpdk.org; David Hunt
> <david.hunt@intel.com>; Pablo de Lara <pablo.de.lara.guarch@intel.com>;
> nd <nd@arm.com>
> Subject: Re: [dpdk-dev] [PATCH v3 3/3] test/power: add delay before
> checking cpuinfo cur freq
>
> On Thu, Apr 08, 2021 at 05:16:34AM +0000, Richael Zhuang wrote:
> > Hi Liang,
> > Sorry that last email contains "confidential notice", so I resend it.
> > > -----Original Message-----
> > > From: Liang Ma <liangma@liangbit.com>
> > > Sent: Wednesday, April 7, 2021 6:15 PM
> > > To: Richael Zhuang <Richael.Zhuang@arm.com>
> > > Cc: dev@dpdk.org; alan.carew@intel.com; stable@dpdk.org; David Hunt
> > > <david.hunt@intel.com>; Pablo de Lara
> > > <pablo.de.lara.guarch@intel.com>
> > > Subject: Re: [dpdk-dev] [PATCH v3 3/3] test/power: add delay before
> > > checking cpuinfo cur freq On Wed, Apr 07, 2021 at 03:46:36PM +0800,
> > > Richael Zhuang wrote:
> > > > Sleep for 1s before checking the newly updated value from
> > > > "/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_cur_freq", because
> > > > for some systems it may not be effective immediately.
> > > >
> > > > Fixes: ed7c51a6a680 ("app/test: vm power management")
> > > > Cc: alan.carew@intel.com
> > > > Cc: stable@dpdk.org
> > > >
> > > > Signed-off-by: Richael Zhuang <richael.zhuang@arm.com>
> > > > ---
> > > > app/test/test_power_cpufreq.c | 3 +++
> > > > 1 file changed, 3 insertions(+)
> > > >
> > > > diff --git a/app/test/test_power_cpufreq.c
> > > > b/app/test/test_power_cpufreq.c index cda74bd8a..7a93bc90a 100644
> > > > --- a/app/test/test_power_cpufreq.c
> > > > +++ b/app/test/test_power_cpufreq.c
> > > > @@ -47,6 +47,9 @@ static uint32_t
> > > freqs[TEST_POWER_FREQS_NUM_MAX];
> > > > static int check_cur_freq(unsigned lcore_id, uint32_t idx) {
> > > > +/* wait for the value to be updated */ sleep(1);
> > > Hi Richael,
> > > 1 second looks way too much for CPU frequency swap.
> > > The unit should be ms in the worst case regardless the vendor, IMO.
> > > Regards
> > > Liang
> > Thanks for review. Although I also think this time seems too long, it
> > needs more than 700ms when I tested on our arm platform.
> Hi Richael,
> I will suggest you talk with arm cpufreq driver maintainer(kernel).
> I don't think HW need 700ms to complete frequency changes.
> cpufreq driver might do something here. intel_pstate driver set the
> threshold as 10ms, according to the kernel source code.
> Regards
> Liang
Hi Liang,
Thanks, I will check this with the driver maintainer.
Regards,
Richael
> > > > +
> > > > #define TEST_POWER_CONVERT_TO_DECIMAL 10 FILE *f; char
> > > > fullpath[PATH_MAX];
> > > > --
> > > > 2.20.1
> > > >
IMPORTANT NOTICE: The contents of this email and any attachments are confid=
ential and may also be privileged. If you are not the intended recipient, p=
lease notify the sender immediately and do not disclose the contents to any=
other person, use it for any purpose, or store or copy the information in =
any medium. Thank you.