From patchwork Fri Feb 3 18:14:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrei Gherzan X-Patchwork-Id: 1737199 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=ZRYtNSKi; dkim-atps=neutral Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4P7kM75tjzz23hd for ; Sat, 4 Feb 2023 05:14:27 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1pO0Zk-0007U5-QU; Fri, 03 Feb 2023 18:14:16 +0000 Received: from smtp-relay-internal-0.internal ([10.131.114.225] helo=smtp-relay-internal-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1pO0Zj-0007Ty-QD for kernel-team@lists.ubuntu.com; Fri, 03 Feb 2023 18:14:15 +0000 Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id C967A3FDAE for ; Fri, 3 Feb 2023 18:14:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1675448053; bh=3scB4YkWwkpFOK7FCJSj2py7jZ6Sn6nyd53flUGXC2A=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=ZRYtNSKim2ZJZXzOul45UsKL6M8r9UwijSKy6YFq2z63by/VtjYrmkIHmVnNex6Fc 9SqTcouQAsQTMey/Km7XDf9gzI0li2k4FVY/8ucU5lvrQCEpSZ59+zdtnnAN0m4f+P t8E4IBXGtpGk2tgPdZlt0JbavO5gJJ3/fx80e5R65VSHYs1AcJiTfGeVr2UEgy0FbG MQS/oUGSzGf0nD6mo4oeR4PDrVy2uoBtRKxM30UpMRd27EOmuTFJrlpjvsHtKUR6Vd 7h7rZ9A1mZnYtpoYC8AD0FBYdimrbRf+z02/SV+hXflo+zuOcGdyAqTduPhV0pjLqg CTKSBEw1N2WKQ== Received: by mail-wr1-f71.google.com with SMTP id j25-20020adfd219000000b002bfd1484f9bso823475wrh.2 for ; Fri, 03 Feb 2023 10:14:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=3scB4YkWwkpFOK7FCJSj2py7jZ6Sn6nyd53flUGXC2A=; b=VYT22dfj9CJE5Gyu34KaW+LOEEmPqJzQj1iVWpY4D0QhTIKD5HyNDB3JtAEHCrGmy+ BQYzjphhY4fDvK4HsXKXYv4+jQXggqQ0BZnoO3sNvoIVJ9elrFAvlSrgu1P85cvHLhkT yTBs3YQL+x7RYOEET/ZGQ3UeUEyPOZDUVz2K01CgUCJTq2rNTdPFyu7kZOCC8S2YMIfW YNfawdbp5+2LOBj04hLV99NTMelpTK17Lb3RlmDe5Be1dbTTTs1nF9Fxy/VNGA7WPDwj DcSHncrSDuHU0jSv5RPMhytnxWUXF+6iRXOWZXy9N5ESgHwAsXZA/2wIVoWxLh0dlhe/ ft+Q== X-Gm-Message-State: AO0yUKVZijpWHETcyg5LZNvqPe01aRt0Fau2NK7qStLLrUIhMnoQXz92 P+Iel2SyFHhMHNM7ifbDMywXa7ORkIIj7JBJxiy5FbzbKf1tOlS5QKvmIbqRUv0LB+Q9+wt6pnO c0/rDOKQChREofBqC+dpPGgWqsYVe0lUG7oBAely8Jw== X-Received: by 2002:adf:f452:0:b0:2c1:ce5f:733 with SMTP id f18-20020adff452000000b002c1ce5f0733mr9605800wrp.10.1675448053231; Fri, 03 Feb 2023 10:14:13 -0800 (PST) X-Google-Smtp-Source: AK7set9la10z6S5Y/Hza/wXm2n/vty+HhEeRfmsFJA2C6yQkkFzqJQuTkKq5LfblRWS59L3xhmlBbA== X-Received: by 2002:adf:f452:0:b0:2c1:ce5f:733 with SMTP id f18-20020adff452000000b002c1ce5f0733mr9605788wrp.10.1675448052999; Fri, 03 Feb 2023 10:14:12 -0800 (PST) Received: from qwirkle.internal ([81.2.157.149]) by smtp.gmail.com with ESMTPSA id ba9-20020a0560001c0900b002c3c725bdb5sm2555594wrb.117.2023.02.03.10.14.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Feb 2023 10:14:12 -0800 (PST) From: Andrei Gherzan To: kernel-team@lists.ubuntu.com Subject: [ACT][PATCH 1/1] UBUNTU: SAUCE: ubuntu_kernel_selftests: Bump optmem_max for net bench tests Date: Fri, 3 Feb 2023 18:14:04 +0000 Message-Id: <20230203181404.152774-1-andrei.gherzan@canonical.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrei Gherzan Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1960907 One of the reasons why a zerocopy send operation could fail with ENOBUF is when the optmem limit is reached[1]. The default value is currently set at 20480 which is insufficient for edge cases especially around benchmarking tests. This change proposes an optmem_max increase to 2048000. It fixes for example "sendmesg: No buffer space available" sporadic errors in udpgso_bench_tx/udpgso_bench.sh [1] https://www.kernel.org/doc/html/latest/networking/msg_zerocopy.html#transmission Signed-off-by: Andrei Gherzan Acked-by: Tim Gardner Acked-by: Po-Hsu Lin --- ubuntu_kernel_selftests/ubuntu_kernel_selftests.py | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py b/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py index 5d87f82e..6335abac 100644 --- a/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py +++ b/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py @@ -216,8 +216,16 @@ class ubuntu_kernel_selftests(test.test): if test_name.endswith('-build'): os.chdir(self.srcdir) if "net" in test_name: - cmd = "sh -c 'echo 1 > /proc/sys/net/ipv4/conf/all/accept_local'" - utils.system(cmd) + cmds = [] + cmds.append("sh -c 'echo 1 > /proc/sys/net/ipv4/conf/all/accept_local'") + # The net benchmarching tests (e.g. udpgso) can fail when + # optmem limit is reached. + # https://www.kernel.org/doc/html/latest/networking/msg_zerocopy.html#transmission + # LP #1960907 + cmds.append("sh -c 'echo 2048000 > /proc/sys/net/core/optmem_max'") + for cmd in cmds: + utils.system(cmd) + if self.kv >= 415: # net selftests use a module built by bpf selftests, bpf is available since bionic kernel if self.kv == 506: