From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EB1DF48964; Sat, 18 Oct 2025 06:38:27 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B80BF40150; Sat, 18 Oct 2025 06:38:27 +0200 (CEST) Received: from CH1PR05CU001.outbound.protection.outlook.com (mail-northcentralusazon11010067.outbound.protection.outlook.com [52.101.193.67]) by mails.dpdk.org (Postfix) with ESMTP id 76816400D7 for ; Sat, 18 Oct 2025 06:38:26 +0200 (CEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=dEf5F4SRkqsaoscjlEhd93M/lpqIpDpx6h4XpW4Tgjsh/B0sK2hwBexg1dbFt1D5hhv/EfqblV7rmiow4tT4+6UQmBgLCyoiZccri+UEC9ycLoUOxEYj5OYbpCqf610SE05QcWSwIu3cnui0J5BHt5iiLHjKkH2M8K2snQn5P0xOG5f6VA7E1QtsBMpk1cFvTJniZCBp+VzllzMfX/jqeF5/A0sfcIZKKR2O2Qib7DoSnFG02e/vLkk3wEoWhUN7jbuPCfCKIZiYTb0ZitPwmnFr+UVUQgh7p6w4AVdlZG+bggB/ShW9QTrqUzOYW6+UZLgGerTcnumGeA4bs+ij6A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=6MofjrShFg80N8Y2Q71Wf0pA7jrpVBKxLP7Z/Euk1jk=; b=YbyLUapPnBPWc6RIhTFKPwQkq6UK0eNYpBqeWzeNndxOb6Lm8s038JN/gkxjs8r9ssqrM62AbIDWvwFyGRK3ZeVv6CO1L0gJn7/ftKNf/xlatcbIfFLtMA7pEnXR2G01eXx6vBRDIM8NsiQ796cTu/Gi4s2cS8OoT/xtnWtaa+U+UmQG+GxxfvdK/P9BWpsXqdtDl5PsDNxJvlA5aRrbEpwse3EH3XFC+oHXft8YwbRqQ6k19zNSX8wvJWZru6i4QawlclO3ZMphT+haQVnj+3gdXY/AHEeQ684U/3VNzYT0fGlg/4AtHkL1y2xMm+1xjBoZxLv3tkm2mGiwWQRxnA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=6MofjrShFg80N8Y2Q71Wf0pA7jrpVBKxLP7Z/Euk1jk=; b=yLXhHN/VgzGbJYpV53ro7bbB3DOfnHMImK5f4gepd8tYQAX8IjkapHBO3HwzLc431xmDpz8UOClKH2lG+MQy6CFENR3a0d4q3tH2l1LbMB+MH67VPfUZAlUEvX15ZMIKZf54R5llmwNa+tgzgTeD5+CJ5yfjZkH9OCpC3SdzB+4= Received: from CH3PR12MB8233.namprd12.prod.outlook.com (2603:10b6:610:129::15) by DM4PR12MB6254.namprd12.prod.outlook.com (2603:10b6:8:a5::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9228.13; Sat, 18 Oct 2025 04:38:22 +0000 Received: from CH3PR12MB8233.namprd12.prod.outlook.com ([fe80::278f:5cc5:549c:3515]) by CH3PR12MB8233.namprd12.prod.outlook.com ([fe80::278f:5cc5:549c:3515%7]) with mapi id 15.20.9228.011; Sat, 18 Oct 2025 04:38:21 +0000 From: "Tummala, Sivaprasad" To: Bruce Richardson CC: "david.hunt@intel.com" , "honnappa.nagarahalli@arm.com" , "anatoly.burakov@intel.com" , "jerinj@marvell.com" , "radu.nicolau@intel.com" , "gakhil@marvell.com" , "cristian.dumitrescu@intel.com" , "Yigit, Ferruh" , "konstantin.ananyev@huawei.com" , "dev@dpdk.org" Subject: Re: [PATCH] test/ring_perf: add optional cross L3 core selection Thread-Topic: [PATCH] test/ring_perf: add optional cross L3 core selection Thread-Index: AQHcP4PZtGfQbbZNfUaeA0bdghS9+7TGin2AgADG7Ss= Date: Sat, 18 Oct 2025 04:38:21 +0000 Message-ID: References: <20251017163407.845502-1-sivaprasad.tummala@amd.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_Enabled=True; MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_SiteId=3dd8961f-e488-4e60-8e11-a82d994e183d; MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_SetDate=2025-10-18T04:38:20.876Z; MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_Name=AMD Internal Distribution Only; MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_ContentBits=1; MSIP_Label_dce362fe-1558-4fb5-9f64-8a6240d76441_Method=Standard; authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: CH3PR12MB8233:EE_|DM4PR12MB6254:EE_ x-ms-office365-filtering-correlation-id: beecc55a-64e7-41b4-c5dd-08de0e002aea x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; ARA:13230040|1800799024|7416014|376014|366016|38070700021|8096899003|7053199007; x-microsoft-antispam-message-info: =?Windows-1252?Q?bhvn1fviS2deo5Wjevc7rB+QKSrG9BOXJJ8CDcaoT0hntvYhf7226xTM?= =?Windows-1252?Q?ikoyPPakUCyUxJIEH+xI2cELnpT3N+ILIAN1bOporH7Bv0l3PXtRpaaH?= =?Windows-1252?Q?oGWvrzTFVgAjcEjh3jUYOxRF/TsuVzUdIaejeS3HU4gx42Ss8FAYSmYv?= =?Windows-1252?Q?GMoN7czFhzOK5M9GwZjI1+1WnIFeso1hlOH0Rt7MXenm9L1dfTjaiRpl?= =?Windows-1252?Q?9gjxK9MkOWias1eAXVBzTkLOcRESnWFnk294Q0K0QTkzTx2RKDEk+nyS?= =?Windows-1252?Q?lxnajoXM6g+W55GFMJ3E4wxd27NMyds8QJLO5AhixLv93neLprKZQLJ4?= =?Windows-1252?Q?2ckzdt5kdZBylaDOqlJwbQXIFPwCOzHHjEOvz7BpMs7pLnHNr7KT7CEW?= =?Windows-1252?Q?369RD2y0e9tt9DwhXB1VFPqMILHXRSedHgpnfQOTya/xKCwXiLzNj/kI?= =?Windows-1252?Q?oIHA66kw7oBnknJTk43CLhtc+CaIr0EKN4IyjUW4vPvbFn/xDUYy9dgJ?= =?Windows-1252?Q?j2r7YzH8RU3/B2OMRX1Ik+8J0ML+RmKkL2bMOP8vk3mkOxKJuSYC6Q8I?= =?Windows-1252?Q?abM/2iuz1z10uv3xrNj6o3sIPhkhkjRS1yVgq5getp6T5Q4KRn/15W3t?= =?Windows-1252?Q?o56a1Tf0ruEpVgvlt3xxA1muyMJVCeq23lkgsmX8FomeIWiOCDbPxD7C?= =?Windows-1252?Q?C/4acWnnWqHg/ASaiuBryOJ3Er3jC9zfID4IMAqk0JtOXdkCHisYPaHP?= =?Windows-1252?Q?du0AmlFHcvQN4Ta3aAPAgCww+GnjwzgO9o831s5RZaDX5gsDu9SN4WAi?= =?Windows-1252?Q?izzqTB78kT5Z2YfL3i70T5ePS7xUSdAbUKp0tkLVYnhzUXQOrKcEIfbU?= =?Windows-1252?Q?N4VS7YdoEHEmLcg0qBBXrJcuFhWOpcHdXgJiMSXmVrkpVUS/7fpa4yaX?= =?Windows-1252?Q?uak82IiiHnOy3y0NiYXuI8XQ6xiOXcJHwUmKNUIoO2nk9HjzCguRF6fF?= =?Windows-1252?Q?VNliuDPk28V+wTElUlzPC1d9xI0XR1gI7AkcDAUX32JryInmiORTGrXB?= =?Windows-1252?Q?PMdTX4G92Uu8TuI5FhsNYqWHThUT8Y50HDurUFslzyrdiiNzkgVsCDiU?= =?Windows-1252?Q?vqHjUuqpLyUYmqYMFGn2PRbdzab39VvEIBuK4qkk/qvQkw/kgzzQ2j/R?= =?Windows-1252?Q?nYYiGVAAD8hoB3oN/ie4pj64rx40O7j1Gv7ztjI4q9PUOPEVcSdZ0jE4?= =?Windows-1252?Q?Yna6q/z64aZikrc81ukXy9V4b04FKDM+BqFHaBJVccyJvABXcSKCqOaV?= =?Windows-1252?Q?t8sQnLUka1tQQ2uMr9ZmPPRDaG84tICx+V8wUv2Fs18dK1+Z7oHLNKnH?= =?Windows-1252?Q?mU09Ge7qR9ZSkSd+yUZy8zrmv37Tm99qibdpjdsKAW7wsyCDSc0U10HX?= =?Windows-1252?Q?Ls/vutnJwPaHJYE6rV4NCwGahxRSxu66e5X6KtFTfPHyQelxyN2ukZFE?= =?Windows-1252?Q?LE3T+nNHMz6hhbjT7PrQFp4oNML0LxnS06z+ZoVCHuygtDdKWfiqJHPj?= =?Windows-1252?Q?JlQttlXQ3C+UAbVN8Yz2nUh5uE9OHYjiEG3JH6PaoIF8rlflW1gl0ReW?= =?Windows-1252?Q?xTuKwzZWCe8gInMQ2JDpg7Yn?= x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CH3PR12MB8233.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(7416014)(376014)(366016)(38070700021)(8096899003)(7053199007); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?Windows-1252?Q?0hcZkDi9+Cpz9B5LyG88eo051OmoCjIY3V0S2AO3Q73bIWNGxRz1pTet?= =?Windows-1252?Q?iJGZ108HbNHjn6/Ap5nQMiSMNap1JjP8XDUr7WsQHti1VRgYILDblh37?= =?Windows-1252?Q?Is1/BHo0QQSrL5HtLGKGTQQh3dOKcWSOtvq3FVtLGMFwd+1XjgfoyFtv?= =?Windows-1252?Q?dgB9vJ3adJH40qtV7VTmc2000CgaIzm9w5QT7JVFLxN2/Jwc+YHUDnaS?= =?Windows-1252?Q?tgGi/Pphb3GcG08zd7gv5vjKOayZQLfuqAEa1ojlPvOrUxuWROWrdTS5?= =?Windows-1252?Q?4RYnUISiFoPrc2Y3PahvaVVdQ98c5XghUflr0i1lbwVbXNVMY2z9umyG?= =?Windows-1252?Q?HuMB7/KjlI/LUTl7Oq1ZYRWtVomKICUcAhZ21s84cc5d7Zl6EqavzVw9?= =?Windows-1252?Q?6LiaKkttiG7u3kdgrAn9fJ+5CaDGJfiXW5xhL9MSd1fr5TMO3KcbZTDb?= =?Windows-1252?Q?Zd8rWe5+V7crssKsuFipmwIX0pclk7neeqnUuAczaDbcGt3xnul0NPnM?= =?Windows-1252?Q?iSlDMZF9srWQomvf8ur+oHcj/45AGpQZoA9xiOmIN1MUmqjsxb2G8jL8?= =?Windows-1252?Q?XlnrIZTeePBGzp46MWhzyHV0W/66zl9wke00GjjfbkWsNGDIbXeQwKUx?= =?Windows-1252?Q?zj0nDBhT0+C9Ajo2m0j/ptOkW0EpcjMwY0K7SP4AlCbc6cy7WJasksZx?= =?Windows-1252?Q?D4e05mKrAbWQyowx8Jn1pjVjnQmZ+futVttkt5r4OvTO5fHE2T3mnS7m?= =?Windows-1252?Q?ABpXyyKxbs1bZUP4y4CDKAqR8MUMGKmlLASXG0pe/B4OFvbHnv1YRSg5?= =?Windows-1252?Q?mM24hyiZ2m7gRpP+/Ki8C8KYk9dQfUAE5LrVIofLMtWxRtm6+t4NSqED?= =?Windows-1252?Q?WWfv9yEN8VpvYLWfsxZZQ6hzINEJPdRkanSSFqe2VASBZDLj94HAV0Zv?= =?Windows-1252?Q?f4f2gpBX7dVV3iPa4Dn4DwIt6IXIwuTKGlKqDlTEgDofBc/Nq/xn1FS0?= =?Windows-1252?Q?6cPuPA+bMaCH/L+o8KaB6A9qpc653BYJ9XAH1bzrEG4A8usKAJpACtAV?= =?Windows-1252?Q?tu1I6woM3CriAI0dtkwE1/lv0Cyaz37DZuPtcjICN0gBgU325l4KbF7y?= =?Windows-1252?Q?FBEui95QNDMRwnLTLryBqYR6kozzLrepe1npT0cDXxhH0YyWpYHqHC7V?= =?Windows-1252?Q?ubOvRvWH0j22qu2pCPSML5y1cuGDEjy+2c3Ys7lUSS5jR2UvTjRlnjx0?= =?Windows-1252?Q?ISBvbu/yWd7mQOE5wQbm1KSLTBr2u3a2TxkimCGkRlP+qEV+8wuSau3j?= =?Windows-1252?Q?0ALUw1TOwAOVf3wOGVE5DXFr6oeU4Q0Iu0hXz/kf/5ZqgsH0pLNtnorh?= =?Windows-1252?Q?PSpejRzufMwB7gpAIb5CfVLFqPuOWTYnaTNPgsTUFrDGVXgqtiJ7s92P?= =?Windows-1252?Q?3Mx0crlmRg0pM5PiaYX34mJHKMVAsuTToeNlV5MkXYHQTDebd4cdw8Vp?= =?Windows-1252?Q?eSMaReBP+fVgtC18+m2Ad+5oAsaGnwxfpnpRyv8OWvcw4A1fHvdwCh1F?= =?Windows-1252?Q?+Ik1mg9X1XvBCRgVwfNpcyYo9JPIYm6LQYSP8dA3up2AWJoi+Y+fGwlk?= =?Windows-1252?Q?DXfP4P4o4LoOuXSsDJqvny1g2EC1uDPOtit4FcBqw4yLEtxKEikzHQcY?= =?Windows-1252?Q?0YlUZ8VDFaQ=3D?= Content-Type: multipart/alternative; boundary="_000_CH3PR12MB8233C56EA9E26C5BF20A282686F7ACH3PR12MB8233namp_" MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8233.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: beecc55a-64e7-41b4-c5dd-08de0e002aea X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Oct 2025 04:38:21.5813 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hQJJnbPPbt3cfgdvjALUWhPDBqiefDNNK4FkS52OiftIE7/nMhlwIDhnCtXPqrw05vvAkv9rii103zy1fa9E0g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6254 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --_000_CH3PR12MB8233C56EA9E26C5BF20A282686F7ACH3PR12MB8233namp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable [AMD Official Use Only - AMD Internal Distribution Only] Hi Bruce, ________________________________ From: Bruce Richardson Sent: Friday, October 17, 2025 10:10 PM To: Tummala, Sivaprasad Cc: david.hunt@intel.com ; honnappa.nagarahalli@arm.c= om ; anatoly.burakov@intel.com ; jerinj@marvell.com ; radu.nicolau@intel.= com ; gakhil@marvell.com ; cris= tian.dumitrescu@intel.com ; Yigit, Ferruh ; konstantin.ananyev@huawei.com ; dev@dpdk.org Subject: Re: [PATCH] test/ring_perf: add optional cross L3 core selection Caution: This message originated from an External Source. Use proper cautio= n when opening attachments, clicking links, or responding. On Fri, Oct 17, 2025 at 04:34:04PM +0000, Sivaprasad Tummala wrote: >> Enhances test_ring_perf to optionally select two cores on >> the same socket but on different L3 caches using hwloc. >> >> This allows performance characterization of ring library >> on processors with split L3 cache architectures, providing >> more realistic measurements of inter-core communication >> and cache effects. >> >> The feature is conditional on hwloc being present, ensuring >> builds succeed on systems without hwloc. >> >> Signed-off-by: Sivaprasad Tummala >> --- >> app/test/test_ring_perf.c | 75 +++++++++++++++++++++++++++++++++++++++ >> config/meson.build | 8 +++++ >> 2 files changed, 83 insertions(+) >> >> diff --git a/app/test/test_ring_perf.c b/app/test/test_ring_perf.c >> diff --git a/config/meson.build b/config/meson.build >> index b8c1f127a2..75630254f2 100644 >> --- a/config/meson.build >> +++ b/config/meson.build >> @@ -313,6 +313,14 @@ else >> add_project_arguments('-include', 'rte_config.h', language: 'c') >> endif >> >> +hwloc_dep =3D dependency('hwloc', required : false) >> +if hwloc_dep.found() >> + add_project_arguments('-DHAVE_HWLOC=3D1', language : 'c') >> + add_project_link_arguments('-lhwloc', language: 'c') >> + dpdk_extra_ldflags +=3D '-lhwloc' >> + message('hwloc found =97 enabling L3 cache=96aware topology support') >> +endif >> + > > Hi, > > I think this is the wrong place to put this. This will make the whole DPD= K > build depend on hwloc and add it to the pkg-config file. > > Instead, it's only the unit test binary that actually has the dependency, > based on this patch, so just add the dep there, and add it to the cflags > for that component only. > >/Bruce ACK, I=92ll restrict the hwloc dependency and related flag to the test appl= ication only in v2. --_000_CH3PR12MB8233C56EA9E26C5BF20A282686F7ACH3PR12MB8233namp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
[AMD Official Use Only - AMD Internal Distribution Only]

Hi Bruce, 

From: Bruce Richardson <bruce.richardson@intel.com>
Sent: Friday, October 17, 2025 10:10 PM
To: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>
Cc: david.hunt@intel.com <david.hunt@intel.com>; honnappa= .nagarahalli@arm.com <honnappa.nagarahalli@arm.com>; anatoly.burakov@= intel.com <anatoly.burakov@intel.com>; jerinj@marvell.com <jerinj@= marvell.com>; radu.nicolau@intel.com <radu.nicolau@intel.com>; gakhil@marvell.com <gakhil@marvell.com>; cristian.dumitrescu@intel.c= om <cristian.dumitrescu@intel.com>; Yigit, Ferruh <Ferruh.Yigit@am= d.com>; konstantin.ananyev@huawei.com <konstantin.ananyev@huawei.com&= gt;; dev@dpdk.org <dev@dpdk.org>
Subject: Re: [PATCH] test/ring_perf: add optional cross L3 core= selection

Caution: This mess= age originated from an External Source. Use proper caution when opening att= achments, clicking links, or responding.


On Fri, Oct 17, 2025 at 04:34:04PM +0000, Sivaprasad Tummala wrote:
>> Enhances test_ring_perf to optionally select two cores on
>> the same socket but on different L3 caches using hwloc.
>>
>> This allows performance characterization of ring library
>> on processors with split L3 cache architectures, providing
>> more realistic measurements of inter-core communication
>> and cache effects.
>>
>> The feature is conditional on hwloc being present, ensuring
>> builds succeed on systems without hwloc.
>>
>> Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@amd.com&g= t;
>> ---
>>  app/test/test_ring_perf.c | 75 +++++++++++++++++++++++++++++= ++++++++++
>>  config/meson.build       = |  8 +++++
>>  2 files changed, 83 insertions(+)
>>
>> diff --git a/app/test/test_ring_perf.c b/app/test/test_ring_perf.c=

<snip>

>> diff --git a/config/meson.build b/config/meson.build
>> index b8c1f127a2..75630254f2 100644
>> --- a/config/meson.build
>> +++ b/config/meson.build
>> @@ -313,6 +313,14 @@ else
>>      add_project_arguments('-include', 'r= te_config.h', language: 'c')
>>  endif
>>
>> +hwloc_dep =3D dependency('hwloc', required : false)
>> +if hwloc_dep.found()
>> +  add_project_arguments('-DHAVE_HWLOC=3D1', language : 'c')<= br> >> +  add_project_link_arguments('-lhwloc', language: 'c')
>> +  dpdk_extra_ldflags +=3D '-lhwloc'
>> +  message('hwloc found =97 enabling L3 cache=96aware topolog= y support')
>> +endif
>> +
>
> Hi,
> 
> I think this is the wrong place to put this. This will make the whole = DPDK
> build depend on hwloc and add it to the pkg-config file.
> 
> Instead, it's only the unit test binary that actually has the dependen= cy,
> based on this patch, so just add the dep there, and add it to the cfla= gs
> for that component only.
>
>/Bruce
ACK, I=92ll restrict the hwloc dependency and related flag to the test applicati= on only in v2.
--_000_CH3PR12MB8233C56EA9E26C5BF20A282686F7ACH3PR12MB8233namp_--