From patchwork Sat Nov 2 12:09:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tamir Duberstein X-Patchwork-Id: 13860101 X-Patchwork-Delegate: brendanhiggins@google.com Received: from mail-yb1-f182.google.com (mail-yb1-f182.google.com [209.85.219.182]) (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 1204C189917; Sat, 2 Nov 2024 12:10:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730549409; cv=none; b=cswGvNJFOTdzoINUkWFlrde8HFcqVlvRelCZpQ8PTFjv3EpCiEIVKba12nOsrA+zvRrpcP7SU51bmGzcixdjhUrsRU7jXDakmQcyvESPEtaH2Aoe0QuwQgws4LHFZIvoxkidgYC+QB00Z2CkIakEN3BGeeKq2q9V2BY0N0fztS8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730549409; c=relaxed/simple; bh=Jxmn0a09bYemFLfrW2DTbbdvDTTlIeGxQHPWXzKjUSs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QiZvK1FDpW5ufxcAKLZJsijDG+vO0dsz9leeRLmu0xoyQmcl2KMEsl7v5DBURRs7kUZOjRZ1np0cDLUPTgpOdPMiauHsclWBEPRzV+Sy4n2cNF5xhIQhpabEKmFZMIEwHgFljU/YEJwqweAAkNgI0lywJduPOPgmzbSwdGEOdsc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=lGpnJqU9; arc=none smtp.client-ip=209.85.219.182 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="lGpnJqU9" Received: by mail-yb1-f182.google.com with SMTP id 3f1490d57ef6-e29327636f3so2477636276.2; Sat, 02 Nov 2024 05:10:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730549407; x=1731154207; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Hb+dSAVB+gCBHU4Z6scAiWCZx92W1Nb8NhAE30zLAkM=; b=lGpnJqU9TuzL67L6MHvKe9nBtBlpF8Y75yFdQxZBgxflf7KxbU+9AQzmN7a5TiHoYN p6s/Bsx/exti2USX2R9zPkHRqqO5VMThhnG02tS2I/7Ivs9Tu/IyAO/8cVt16CMoWqFU D/rHK7oexFcggEWXP9XVfXfcDx3ZCg8GQeHwJF59hdesl/wRYxMbHcWZ90FNo/00mEwi YvrJk/Fh+HlWXMRNw3nUdNBTxpbm/ZkcBNOadxoQoICp9wgwjY7VO+yj7C7M7fLLhRIC sDPeoWQR/bnAgD1VrvYXcEMoXxzNSXcLWpr46Dt+GEZmLWmMK/POMukC+pxRJ5qJoX4R IaJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730549407; x=1731154207; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Hb+dSAVB+gCBHU4Z6scAiWCZx92W1Nb8NhAE30zLAkM=; b=SA529Oh6zlBaHpjM+Oc8Pxn7QnvJiVDC/dxLPya8tRmaKBUE2UrgDC5TS9HOAB6d3O ptDTOaoupWbsYaYv5iM44enbfIIeX8YwuvQsLMGNXC/h/N8BTZOf3VuZQDhcptlSW4zI LPhrqcbitDntzcVEZVJfIjsxfEQUrzy7IicchNyBeZGW23s07sgKZ1QCkHLvNysbthys zf5XbVtnZ28PISvdGv4n06IXn/7CqREB8zntJLWC592ogGa7p1Pw1TAAWFzgaMsGfHoU OilomGn7oOQ5qiJCtifbJb8qEymuSWsvKwPz0u0IidE82ciVZ4q1qe5I06jvEGpFrym1 TbMg== X-Forwarded-Encrypted: i=1; AJvYcCUbg9JwFUJkAVBhZ9rFWq8h92BwnGwLtZUVL5ZWrDG/J6k1VRWMSe8z7Jue0UiG21Nr4AFvQaF+3oL6wEM=@vger.kernel.org X-Gm-Message-State: AOJu0YxoEptMhShZfRTUzHCltABmxrqPiYwiTKOHdD2dU7sZP1H6BXIM WkyF/hszMBma5KwzUBjmEksbNFBo3M/FE45ItCRIN7Vm/z2p7ChVw+rhYxYWTGI= X-Google-Smtp-Source: AGHT+IHdhIcg50hxTMTYzx99Cj+1BVVYgg7b6c4dyjvRiID1ZrUxyMBWCstlqfkomK0dbaArl5v1IQ== X-Received: by 2002:a05:6902:18d4:b0:e30:df1f:8926 with SMTP id 3f1490d57ef6-e3302540d2emr6246182276.12.1730549406715; Sat, 02 Nov 2024 05:10:06 -0700 (PDT) Received: from 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa (186-189-35-150.setardsl.aw. [186.189.35.150]) by smtp.gmail.com with ESMTPSA id 3f1490d57ef6-e30e8adf9ecsm1139393276.59.2024.11.02.05.10.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 Nov 2024 05:10:05 -0700 (PDT) From: Tamir Duberstein Date: Sat, 02 Nov 2024 08:09:48 -0400 Subject: [PATCH v2 1/2] kunit: add fallback for os.sched_getaffinity Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241102-kunit-qemu-accel-macos-v2-1-9d4579fddd20@gmail.com> References: <20241102-kunit-qemu-accel-macos-v2-0-9d4579fddd20@gmail.com> In-Reply-To: <20241102-kunit-qemu-accel-macos-v2-0-9d4579fddd20@gmail.com> To: Brendan Higgins , David Gow , Rae Moar , Alyssa Ross , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Cc: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, Tamir Duberstein X-Mailer: b4 0.15-dev Python 3.13 added os.process_cpu_count as a cross-platform alternative for the Linux-only os.sched_getaffinity. Use it when it's available and provide a fallback when it's not. This allows kunit to run on macOS. Signed-off-by: Tamir Duberstein Reviewed-by: David Gow --- tools/testing/kunit/kunit.py | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index bc74088c458aee20b1a21fdeb9f3cb01ab20fec4..3a8cbb868ac559f68d047e38be92f7c64a3314ea 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -303,7 +303,16 @@ def massage_argv(argv: Sequence[str]) -> Sequence[str]: return list(map(massage_arg, argv)) def get_default_jobs() -> int: - return len(os.sched_getaffinity(0)) + if sys.version_info >= (3, 13): + if (ncpu := os.process_cpu_count()) is not None: + return ncpu + raise RuntimeError("os.process_cpu_count() returned None") + # See https://github.com/python/cpython/blob/b61fece/Lib/os.py#L1175-L1186. + if sys.platform != "darwin": + return len(os.sched_getaffinity(0)) + if (ncpu := os.cpu_count()) is not None: + return ncpu + raise RuntimeError("os.cpu_count() returned None") def add_common_opts(parser: argparse.ArgumentParser) -> None: parser.add_argument('--build_dir',