From patchwork Tue Jan 9 09:56:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alessandro Carminati X-Patchwork-Id: 13514705 X-Patchwork-Delegate: bpf@iogearbox.net Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 163DF358A0; Tue, 9 Jan 2024 09:57:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Tn0jv3ig" Received: by mail-lj1-f179.google.com with SMTP id 38308e7fff4ca-2ccbded5aa4so31398621fa.1; Tue, 09 Jan 2024 01:57:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1704794220; x=1705399020; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=FNT3knrwtx3ZC85CWhs6pgGlgSacEXpphCQbs6n70C0=; b=Tn0jv3igbLr4mDkkRt7ZquqKM/lpEze0j/LRzoKkc5lZRyundLhVvYLbT1MkJaMzm/ dbwhv6wE6ZqkY8nkiNn3hcAEgzawsIWiblibXasW0Npo9m9yWAtUYIQwFrgL61KZob97 RT4BP72sJthDsWGRaR/WQJWnObksXh29xj6GMU5/+Z+ttE77HquXSMegKz+7LYfwL+DB dYJNZTnUPBLs7d1wIF+nbpfg8dinVYGnwFc95uc8BriiUGZK/Hs0k7IZkQxAMGw92BLQ 50oIFHGb6Ly8B0RR9zUqF2FDsvmcphbVFqMAtN3+CiV9sW1thKMsBVCCul8lmPwsZhGs vVgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704794220; x=1705399020; 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=FNT3knrwtx3ZC85CWhs6pgGlgSacEXpphCQbs6n70C0=; b=AdJfct5WErIo9TrQbhEC9Bl8dOIhtOa/weTj2hKADuuhLzR8cI6gDlfvrCa58gcKsI LXhk8HPX9+FbQUFXGrgzupQo2ckUy6qCfxg045W6tk7fIlL7lbHN6k9T9BDWUWpH8cgr OXLr616YnWNyzwvlYvnPUvZ6ZoMYSnVskzUUz/oxSCYF/Vda//mTU5cfDTRohzW3L83y cdesRxDO/85W1StkqMzsL5bb5JDwK3zoYFZUei+PzY9vY4QqzGjtvromrziMWml0pNRo 3OmQBjhdJrHJK3M3NDCl3Rqtj4k4xyPqodVzGHr4OUG/IfErBVBCRvbENQyYdoVuZ/VC 9tjw== X-Gm-Message-State: AOJu0Yw9zc3ZIU7cROEoVhmxvh4PuuWASsDmivstBkNllPC1mwNUWLwe Ful62oAiZiNyK10IetFlGpg= X-Google-Smtp-Source: AGHT+IGkMB2ZfO0i6cIwd5Kg8TbkhohMQGYVm9XLNv8yuUlqP+sGYQmxfMcZd4FSKhvAQ2tlr0BySg== X-Received: by 2002:a05:651c:603:b0:2cc:e48d:d0f3 with SMTP id k3-20020a05651c060300b002cce48dd0f3mr2208277lje.79.1704794219704; Tue, 09 Jan 2024 01:56:59 -0800 (PST) Received: from lab.hqhome163.com ([194.183.10.152]) by smtp.googlemail.com with ESMTPSA id a3-20020a17090680c300b00a2a4a6e1bc5sm832017ejx.204.2024.01.09.01.56.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jan 2024 01:56:59 -0800 (PST) From: "Alessandro Carminati (Red Hat)" To: Andrii Nakryiko , Shuah Khan Cc: Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Alessandro Carminati , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH] find_vma BPF test: increase length CPU computation Date: Tue, 9 Jan 2024 09:56:37 +0000 Message-Id: <20240109095637.35934-1-alessandro.carminati@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain X-Patchwork-Delegate: bpf@iogearbox.net X-Patchwork-State: RFC Some aarch64 systems running a PREEMPT_RT patched kernel, needs more time to complete the test. This change mirrors: commit ba83af059153 ("Improve stability of find_vma BPF test") addressing similar requirements and allowing the QTI SA8775P based systems, and others, to complete the test when running RT kernel. Signed-off-by: Alessandro Carminati (Red Hat) --- tools/testing/selftests/bpf/prog_tests/find_vma.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/find_vma.c b/tools/testing/selftests/bpf/prog_tests/find_vma.c index 5165b38f0e59..43d62db8d57b 100644 --- a/tools/testing/selftests/bpf/prog_tests/find_vma.c +++ b/tools/testing/selftests/bpf/prog_tests/find_vma.c @@ -51,7 +51,7 @@ static void test_find_vma_pe(struct find_vma *skel) struct bpf_link *link = NULL; volatile int j = 0; int pfd, i; - const int one_bn = 1000000000; + const int dummy_wait = 2500000000; pfd = open_pe(); if (pfd < 0) { @@ -68,10 +68,10 @@ static void test_find_vma_pe(struct find_vma *skel) if (!ASSERT_OK_PTR(link, "attach_perf_event")) goto cleanup; - for (i = 0; i < one_bn && find_vma_pe_condition(skel); ++i) + for (i = 0; i < dummy_wait && find_vma_pe_condition(skel); ++i) ++j; - test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */, i == one_bn); + test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */, i == dummy_wait); cleanup: bpf_link__destroy(link); close(pfd);