From patchwork Sat Mar 25 18:55:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 13187876 X-Patchwork-Delegate: kuba@kernel.org 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 B93E8C6FD1F for ; Sat, 25 Mar 2023 18:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231940AbjCYS4C (ORCPT ); Sat, 25 Mar 2023 14:56:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229997AbjCYSz4 (ORCPT ); Sat, 25 Mar 2023 14:55:56 -0400 Received: from mail-oa1-x2f.google.com (mail-oa1-x2f.google.com [IPv6:2001:4860:4864:20::2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2CE6AD30; Sat, 25 Mar 2023 11:55:35 -0700 (PDT) Received: by mail-oa1-x2f.google.com with SMTP id 586e51a60fabf-17683b570b8so5155964fac.13; Sat, 25 Mar 2023 11:55:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679770535; 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=P0feuUUjKXAKyCstuEoHOPmhO4TyK3/vV/+voVXCmvE98E9bJn0tcyJ4lFEM41GqWl liyARWM0j8ao5ZXutP/8tLQKaz69ng+85A+OqBFDQ9ElMUgFxHXQn4jzbadMPnUwoDUX ququAYjw8kmAsrxnSFcJY7XnAjkAAPUf/aG5n8dPY4erG+XY+0421iKjllXct/gcjOjJ iGUoSQECFIAMYnzCgTuaA7e4a9ZmSYDrBQMgd6rNVP55ZZZQpGngFX3DPiTDdJ8u5dWb ibkvbTg95xydqhVH59WKkWSVhiGGVseIW+Qc0RJWm0cAaQlHtbicU8Rs5mHZzDAdfiti aSwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679770535; 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=iW2OoeDw8MY7iBOb62SE2T4humg8W0f+nP4hktYesuCRd8/LsvsviJHZEDAvCm4oVK 4pLVkuidqotx1SWZfFxfkdJnrFwl/I4fKDHjKyhFBE/XzwGfOX63ykIenRaTtNkmLhWt DNJe5R4BhBSYgd/UxwzX2PC79Lj6mRFmXQa1q89bh9BA2SpcWsEjuQcWSzHio+r7eNqc e/f7LC1wzLSewjSOMPJ1tM/rcOquCqgdjwUvyI1hBjpInbUJQzJ5kxnATkPJz/Hu1Oaq 1qr9njjcU2tx1wX6XL/ZNpS5A8+sZs5hynF/0j+Z62FClHu4Qjxx8rgRoBjKUU3/7CV9 nxYg== X-Gm-Message-State: AAQBX9evpSwv7RrVUCPhcdV9MsRBQ7tyF0HDqDnhVJnz6hg71Im+A+Ow YO2++LlMzZQ7+oKd7Tk5UE4= X-Google-Smtp-Source: AKy350Z6M853diS04Xe9me7UO7RJvAwcsEeyUiJUMN/0kO5tO5IbkBrRFlPWIEmyOYFhSTLMzz+C4g== X-Received: by 2002:a05:6870:e255:b0:17e:9f4c:713 with SMTP id d21-20020a056870e25500b0017e9f4c0713mr5212461oac.25.1679770534976; Sat, 25 Mar 2023 11:55:34 -0700 (PDT) Received: from localhost ([12.97.180.36]) by smtp.gmail.com with ESMTPSA id ug21-20020a0568714d1500b0017af6149e61sm8418379oab.21.2023.03.25.11.55.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Mar 2023 11:55:34 -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 7/8] lib: add test for for_each_numa_{cpu,hop_mask}() Date: Sat, 25 Mar 2023 11:55:13 -0700 Message-Id: <20230325185514.425745-8-yury.norov@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230325185514.425745-1-yury.norov@gmail.com> References: <20230325185514.425745-1-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);