[{"id":1761534,"web_url":"http://patchwork.ozlabs.org/comment/1761534/","msgid":"<59A92487.2060609@iogearbox.net>","list_archive_url":null,"date":"2017-09-01T09:12:39","subject":"Re: [PATCH net-next 1/3] bpf: Add lru_hash_lookup performance test","submitter":{"id":65705,"url":"http://patchwork.ozlabs.org/api/people/65705/","name":"Daniel Borkmann","email":"daniel@iogearbox.net"},"content":"On 09/01/2017 08:27 AM, Martin KaFai Lau wrote:\n> Create a new case to test the LRU lookup performance.\n>\n> At the beginning, the LRU map is fully loaded (i.e. the number of keys\n> is equal to map->max_entries).   The lookup is done through key 0\n> to num_map_entries and then repeats from 0 again.\n>\n> This patch also creates an anonymous struct to properly\n> name the test params in stress_lru_hmap_alloc() in map_perf_test_kern.c.\n>\n> Signed-off-by: Martin KaFai Lau <kafai@fb.com>\n\nAcked-by: Daniel Borkmann <daniel@iogearbox.net>","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xkD6V5b84z9t32\n\tfor <patchwork-incoming@ozlabs.org>;\n\tFri,  1 Sep 2017 19:12:50 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751776AbdIAJMs (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tFri, 1 Sep 2017 05:12:48 -0400","from www62.your-server.de ([213.133.104.62]:38251 \"EHLO\n\twww62.your-server.de\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751595AbdIAJMl (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Fri, 1 Sep 2017 05:12:41 -0400","from [92.105.166.74] (helo=localhost.localdomain)\n\tby www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-SHA:256)\n\t(Exim 4.85_2) (envelope-from <daniel@iogearbox.net>)\n\tid 1dni0F-00066e-Ni; Fri, 01 Sep 2017 11:12:39 +0200"],"Message-ID":"<59A92487.2060609@iogearbox.net>","Date":"Fri, 01 Sep 2017 11:12:39 +0200","From":"Daniel Borkmann <daniel@iogearbox.net>","User-Agent":"Mozilla/5.0 (X11; Linux x86_64;\n\trv:31.0) Gecko/20100101 Thunderbird/31.7.0","MIME-Version":"1.0","To":"Martin KaFai Lau <kafai@fb.com>, netdev@vger.kernel.org","CC":"Alexei Starovoitov <ast@fb.com>, kernel-team@fb.com","Subject":"Re: [PATCH net-next 1/3] bpf: Add lru_hash_lookup performance test","References":"<20170901062713.1842249-1-kafai@fb.com>\n\t<20170901062713.1842249-2-kafai@fb.com>","In-Reply-To":"<20170901062713.1842249-2-kafai@fb.com>","Content-Type":"text/plain; charset=windows-1252; format=flowed","Content-Transfer-Encoding":"7bit","X-Authenticated-Sender":"daniel@iogearbox.net","X-Virus-Scanned":"Clear (ClamAV 0.99.2/23750/Fri Sep  1 06:39:59 2017)","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"<netdev.vger.kernel.org>","X-Mailing-List":"netdev@vger.kernel.org"}},{"id":1761723,"web_url":"http://patchwork.ozlabs.org/comment/1761723/","msgid":"<21166cda-609b-8843-d223-83ce72e62a10@fb.com>","list_archive_url":null,"date":"2017-09-01T14:22:32","subject":"Re: [PATCH net-next 1/3] bpf: Add lru_hash_lookup performance test","submitter":{"id":68234,"url":"http://patchwork.ozlabs.org/api/people/68234/","name":"Alexei Starovoitov","email":"ast@fb.com"},"content":"On 8/31/17 11:27 PM, Martin KaFai Lau wrote:\n> Create a new case to test the LRU lookup performance.\n>\n> At the beginning, the LRU map is fully loaded (i.e. the number of keys\n> is equal to map->max_entries).   The lookup is done through key 0\n> to num_map_entries and then repeats from 0 again.\n>\n> This patch also creates an anonymous struct to properly\n> name the test params in stress_lru_hmap_alloc() in map_perf_test_kern.c.\n>\n> Signed-off-by: Martin KaFai Lau <kafai@fb.com>\n\nAcked-by: Alexei Starovoitov <ast@kernel.org>","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)","ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=fb.com header.i=@fb.com header.b=\"qd5Z8HZm\";\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com\n\theader.b=\"fgdNF8cr\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xkM0c6V1tz9sPk\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat,  2 Sep 2017 00:23:12 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752126AbdIAOXL (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tFri, 1 Sep 2017 10:23:11 -0400","from mx0a-00082601.pphosted.com ([67.231.145.42]:54288 \"EHLO\n\tmx0a-00082601.pphosted.com\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1751964AbdIAOXJ (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Fri, 1 Sep 2017 10:23:09 -0400","from pps.filterd (m0109334.ppops.net [127.0.0.1])\n\tby mx0a-00082601.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv81EIC1v019336; Fri, 1 Sep 2017 07:22:55 -0700","from mail.thefacebook.com ([199.201.64.23])\n\tby mx0a-00082601.pphosted.com with ESMTP id 2cq7xp8df6-1\n\t(version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT);\n\tFri, 01 Sep 2017 07:22:55 -0700","from NAM02-BL2-obe.outbound.protection.outlook.com (192.168.54.28)\n\tby o365-in.thefacebook.com (192.168.16.21) with Microsoft SMTP\n\tServer (TLS) id 14.3.319.2; Fri, 1 Sep 2017 07:22:54 -0700","from [IPv6:2620:10d:c082:1055:e425:8a81:8696:617]\n\t(2620:10d:c090:200::4:1c67) by\n\tBL2PR15MB0961.namprd15.prod.outlook.com\n\t(2603:10b6:201:15::23) with Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.13.10;\n\tFri, 1 Sep 2017 14:22:33 +0000"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com;\n\th=subject : to : references\n\t: cc : from : message-id : date : mime-version : in-reply-to :\n\tcontent-type : content-transfer-encoding; s=facebook;\n\tbh=nFmp4fbpWVc77CckJ77q1/7FMATzGotdW/d4QUYkxVk=;\n\tb=qd5Z8HZmimIZUWnUnZxGov6dI6jcnYXzvK/l9NHedFcL9xGZP7rJW+Vmf5rlKAlVL8C8\n\t49msIcTvBoTM1L0Y4v9G0gvw2qSK+9VzYIOSlCCuTeodQz7i8TA39pEkjKOcCjQDfohK\n\tiJ3ZRUs0ttkgCkwCn5jSBMQtfyM3IjZCMKQ= ","v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; \n\ts=selector1-fb-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version; \n\tbh=nFmp4fbpWVc77CckJ77q1/7FMATzGotdW/d4QUYkxVk=;\n\tb=fgdNF8crqe7fo409TRNrBUyCgQ/8wCLEo0ausBOsASIJ93ONEdcJV+uyfh1HGmGBR6JXoECNg0e4+C9XGO+PNKsL9eqBhp0qR06dCubgrzdN9loNX+9RP8I75a79qwGML8YZWuc8HHzkKsm07JHi3U29SBZ8ABCanYTHaJNmtT0="],"Subject":"Re: [PATCH net-next 1/3] bpf: Add lru_hash_lookup performance test","To":"Martin KaFai Lau <kafai@fb.com>, <netdev@vger.kernel.org>","References":"<20170901062713.1842249-1-kafai@fb.com>\n\t<20170901062713.1842249-2-kafai@fb.com>","CC":"Daniel Borkmann <daniel@iogearbox.net>, <kernel-team@fb.com>","From":"Alexei Starovoitov <ast@fb.com>","Message-ID":"<21166cda-609b-8843-d223-83ce72e62a10@fb.com>","Date":"Fri, 1 Sep 2017 07:22:32 -0700","User-Agent":"Mozilla/5.0 (Macintosh; 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