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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 6E966C31E5B for ; Mon, 17 Jun 2019 19:09:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E57C208C0 for ; Mon, 17 Jun 2019 19:09:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=appneta.com header.i=@appneta.com header.b="V1gsP4U1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728795AbfFQTJC (ORCPT ); Mon, 17 Jun 2019 15:09:02 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:38891 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726568AbfFQTJC (ORCPT ); Mon, 17 Jun 2019 15:09:02 -0400 Received: by mail-pl1-f196.google.com with SMTP id f97so4511774plb.5 for ; Mon, 17 Jun 2019 12:09:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=appneta.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/ipYsalW++aWX/HtsH6Myu+O36LYB3AuGav4jjmdKhY=; b=V1gsP4U1ZAvYgIIX44tfu3K0svmBKLPfM8YWqLcWaE8CnIsyUHIsR38kFIdk/TwU82 Q16qvIEGDpah4VJbFGCNMerl5Z9Iu7ZqP1X7FsxhvHB1bGhGKa7Nu7CA69KTmAFtT/H/ S3IV+V1GZ2ThsoT5MUWxm4aJQ7U9mdL5HYQHo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/ipYsalW++aWX/HtsH6Myu+O36LYB3AuGav4jjmdKhY=; b=BzW80oTGLLvH0Nxaws3y9hi5sNCtdmwrNaSgU2cz+tnyThVzOBhDlEjjUQE7nqcf1r 3U3g50dhDTqJCjxtEAS5rpqZurIzjYOKsPJ9ruv6nagUadKQtniyp1jFq36rxNZjkw9G 9R5zdpIWRzvOkFjh/D6xnPZUasaILi8/s2YhsLQE3SOkXPUbJThzIF9w51K30oYOEB+y MNTg4nGwUQanqFGWyOUBvE5+hZlBa32duLnJktwKRYMFkpmB60nikd5rRscSEmEmuL2A Qeb1D3Vmh21MqPdiF7aa6pbkyByt7p8gQV+DMrpcYGN0EQj0mmriOBTCd6ACZwrAxKDW swmA== X-Gm-Message-State: APjAAAWTLeb91pjMm7CkNdboCd8pIWM+H3W5NBWswCnnPmVgVNFM/6/M h1aJU43UWengu7B8g6FmUG9xJg== X-Google-Smtp-Source: APXvYqzJkonvB6Ms1+/AeevQyjb7W+PF3loXMUqCBYgZ3saSHHea2O1KZwF9JCGV4PWV/NkUok3Z/w== X-Received: by 2002:a17:902:b18f:: with SMTP id s15mr112568173plr.44.1560798541612; Mon, 17 Jun 2019 12:09:01 -0700 (PDT) Received: from linux-net-fred.jaalam.net ([2001:4958:15a0:24:5054:ff:fecb:7a95]) by smtp.googlemail.com with ESMTPSA id p43sm111063pjp.4.2019.06.17.12.09.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 12:09:00 -0700 (PDT) From: Fred Klassen To: "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Willem de Bruijn Cc: Fred Klassen Subject: [PATCH net-next v3 2/3] net/udpgso_bench.sh add UDP GSO audit tests Date: Mon, 17 Jun 2019 12:08:36 -0700 Message-Id: <20190617190837.13186-3-fklassen@appneta.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190617190837.13186-1-fklassen@appneta.com> References: <20190617190837.13186-1-fklassen@appneta.com> Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Audit tests count the total number of messages sent and compares with total number of CMSG received on error queue. Example: udp gso zerocopy timestamp audit udp rx: 1599 MB/s 1166414 calls/s udp tx: 1615 MB/s 27395 calls/s 27395 msg/s udp rx: 1634 MB/s 1192261 calls/s udp tx: 1633 MB/s 27699 calls/s 27699 msg/s udp rx: 1633 MB/s 1191358 calls/s udp tx: 1631 MB/s 27678 calls/s 27678 msg/s Summary over 4.000 seconds... sum udp tx: 1665 MB/s 82772 calls (27590/s) 82772 msgs (27590/s) Tx Timestamps: 82772 received 0 errors Zerocopy acks: 82772 received Errors are thrown if CMSG count does not equal send count, example: Summary over 4.000 seconds... sum tcp tx: 7451 MB/s 493706 calls (123426/s) 493706 msgs (123426/s) ./udpgso_bench_tx: Unexpected number of Zerocopy completions: 493706 expected 493704 received Also reduce individual test time from 4 to 3 seconds so that overall test time does not increase significantly. v3: Enhancements as per Willem de Bruijn - document -P option for TCP audit Signed-off-by: Fred Klassen --- tools/testing/selftests/net/udpgso_bench.sh | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh index 5670a9ffd8eb..d4d831dfd44d 100755 --- a/tools/testing/selftests/net/udpgso_bench.sh +++ b/tools/testing/selftests/net/udpgso_bench.sh @@ -38,6 +38,18 @@ run_udp() { echo "udp gso zerocopy" run_in_netns ${args} -S 0 -z + + echo "udp gso timestamp" + run_in_netns ${args} -S 0 -T + + echo "udp gso zerocopy audit" + run_in_netns ${args} -S 0 -z -a + + echo "udp gso timestamp audit" + run_in_netns ${args} -S 0 -T -a + + echo "udp gso zerocopy timestamp audit" + run_in_netns ${args} -S 0 -T -z -a } run_tcp() { @@ -48,10 +60,15 @@ run_tcp() { echo "tcp zerocopy" run_in_netns ${args} -t -z + + # excluding for now because test fails intermittently + # add -P option to include poll() to reduce possibility of lost messages + #echo "tcp zerocopy audit" + #run_in_netns ${args} -t -z -P -a } run_all() { - local -r core_args="-l 4" + local -r core_args="-l 3" local -r ipv4_args="${core_args} -4 -D 127.0.0.1" local -r ipv6_args="${core_args} -6 -D ::1" -- 2.11.0