From patchwork Thu Apr 20 05:19:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 13217859 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7990CC77B78 for ; Thu, 20 Apr 2023 05:21:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233887AbjDTFVJ (ORCPT ); Thu, 20 Apr 2023 01:21:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233819AbjDTFUh (ORCPT ); Thu, 20 Apr 2023 01:20:37 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 051AC61AB; Wed, 19 Apr 2023 22:20:04 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1a6c5acf6ccso5829165ad.3; Wed, 19 Apr 2023 22:20:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681968004; x=1684560004; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=OSjdqRXXXgYSdBLqK0Rzny0ztxBdvMaFW0s7IjJDzbk=; b=Ybxwe0Yed6TDQbZt4P4jJnwzwNYoazEymPMwfm7y2iWBuo10gwWPCtJXLWAI2jp88R 7G/ZrXA4ugRV40R+HD8eK6Uqf+RCesq67q/t+Fgb94vuYbz193xfsE9pcylZrhvDYkyO 4+r+C0yP0GYVslLqpFnHTmKKReOrIkrmSY9ZT/0/4F6Np20g+kPjTVTbGC9/OMCQ/7gc +kZllz8/kI893xCtYA+nPmryHa1BfbJTqxI0b+jkyUlgRvFVLDmRYztiohR6fCgWqXii ZsnoBGWw9v+EgD0Ae5WNtPCYiQahOybJSXPdCl4kazJ1X4mZqTHy3wLcH3n9ofx5Rn21 KqVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681968004; x=1684560004; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OSjdqRXXXgYSdBLqK0Rzny0ztxBdvMaFW0s7IjJDzbk=; b=HauaI6ZWqKCYXs68jAM9390TmX3LB3RkbKdara/+suRee709/qHalqaZsb11/25cmb zQaHgJf8HfbxfWa8enSHYzDTyY7Ts/IfeI4kcgl6RrKTKQLUMZ50dw/X4e9Ql2+/JRBa EKouCmLYO5FqUFQvLcwaOoSiNeDkeI3zBiB+LZyaNQCgAU3ynbBgiifxVesdStLJyI/k cwSI+V6DZhvTr4Arb0Le6pi/2leGDi0KG8gA/Cdx2kV1LjdipjXhkU+CXKaw5mo95OnK /HpH0LnVqcF5IvETfMuolxgjVdqub7IzpXXwlg0EQqJNH0Wb9UloElvknWjYjtcBt43g B82g== X-Gm-Message-State: AAQBX9ei5KB6/pCS54HvPbEiWBVZRWDT1+wa101sbpbjfzRUvKbsWq35 wJdnfP20xDOcwf/5R70GpFw= X-Google-Smtp-Source: AKy350b9F8rpx7c4FugyLgTAE7jTlFSaz/LBmY7KHzcDVTxRnpAbBd/hzTt8vapTV+lrjWJcstWGQw== X-Received: by 2002:a17:902:ce88:b0:19d:1834:92b9 with SMTP id f8-20020a170902ce8800b0019d183492b9mr316932plg.56.1681968004129; Wed, 19 Apr 2023 22:20:04 -0700 (PDT) Received: from localhost ([2603:3024:e02:8500:653b:861d:e1ca:16ac]) by smtp.gmail.com with ESMTPSA id gq3-20020a17090b104300b0024b4a06a4fesm167781pjb.5.2023.04.19.22.20.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 22:20:03 -0700 (PDT) From: Yury Norov To: Jakub Kicinski , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yury Norov , Saeed Mahameed , Pawel Chmielewski , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Paolo Abeni , Andy Shevchenko , Rasmus Villemoes , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Tariq Toukan , Gal Pressman , Greg Kroah-Hartman , Heiko Carstens , Barry Song Subject: [PATCH v2 7/8] lib: add test for for_each_numa_{cpu,hop_mask}() Date: Wed, 19 Apr 2023 22:19:45 -0700 Message-Id: <20230420051946.7463-8-yury.norov@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230420051946.7463-1-yury.norov@gmail.com> References: <20230420051946.7463-1-yury.norov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The test ensures that enumerators' output is consistent with cpumask_local_spread(). Signed-off-by: Yury Norov --- lib/test_bitmap.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index a8005ad3bd58..1b5f805f6879 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include "../tools/testing/selftests/kselftest_module.h" @@ -751,6 +752,33 @@ static void __init test_for_each_set_bit_wrap(void) } } +static void __init test_for_each_numa(void) +{ + unsigned int cpu, node; + + for (node = 0; node < sched_domains_numa_levels; node++) { + const struct cpumask *m, *p = cpu_none_mask; + unsigned int c = 0; + + rcu_read_lock(); + for_each_numa_hop_mask(m, node) { + for_each_cpu_andnot(cpu, m, p) + expect_eq_uint(cpumask_local_spread(c++, node), cpu); + p = m; + } + rcu_read_unlock(); + } + + for (node = 0; node < sched_domains_numa_levels; node++) { + unsigned int hop, c = 0; + + rcu_read_lock(); + for_each_numa_cpu(cpu, hop, node, cpu_online_mask) + expect_eq_uint(cpumask_local_spread(c++, node), cpu); + rcu_read_unlock(); + } +} + static void __init test_for_each_set_bit(void) { DECLARE_BITMAP(orig, 500); @@ -1237,6 +1265,7 @@ static void __init selftest(void) test_for_each_clear_bitrange_from(); test_for_each_set_clump8(); test_for_each_set_bit_wrap(); + test_for_each_numa(); } KSTM_MODULE_LOADERS(test_bitmap);