From patchwork Tue Nov 29 21:59:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 629315 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 68C1CC433FE for ; Tue, 29 Nov 2022 22:00:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233743AbiK2WAJ (ORCPT ); Tue, 29 Nov 2022 17:00:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234423AbiK2V7h (ORCPT ); Tue, 29 Nov 2022 16:59:37 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B52626F351 for ; Tue, 29 Nov 2022 13:59:36 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 531A661929 for ; Tue, 29 Nov 2022 21:59:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E8A0C433C1; Tue, 29 Nov 2022 21:59:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669759175; bh=+W8adVt0qNP/+1paRvySD60I/TQ9TpFvbpjiyvAbBAg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GFX7m9ExCmU3ohxMn3j8fx39hCLVPwqgMANpN0txWwxWaK0eU4BeMAC9JVxjBLQl9 khEL5bz7LkPjc5I5ZTjyhJi6kqoxeSxxkg5TxMqoRcLsJSna4zpaSpPIb13STZ8udG 43by6c9EHB05xCS50AHKkyg/Gm5FiJr0qNVRrYtUQeiqdEIP33qTT9S0FsRxDOsRGi ldYHb63nWlwFs5Zd46O6vvXFY5mbzfd6InXISh3ep83IXBYg0QE1lCscKPKFW51hsn WYbhzYLibJKb1yvQA1+TOY77c3/GWuzN30DEOclthVWmm6Hlh4nUh4A3yl+WDB0Yg5 47pHtcS8Nr28g== From: Mark Brown To: Catalin Marinas , Will Deacon , Shuah Khan Cc: linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown Subject: [PATCH v2 2/3] kselftest/arm64: Don't drain output while spawning children Date: Tue, 29 Nov 2022 21:59:24 +0000 Message-Id: <20221129215926.442895-3-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221129215926.442895-1-broonie@kernel.org> References: <20221129215926.442895-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1139; i=broonie@kernel.org; h=from:subject; bh=+W8adVt0qNP/+1paRvySD60I/TQ9TpFvbpjiyvAbBAg=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBjhoC8UMtEjXfLbwbQEU4Rxagc/CjBu3qp2TKLbzO4 N2gxArSJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCY4aAvAAKCRAk1otyXVSH0Mo0B/ 4st+ImVjOz9wuVjI/EGgH9bJW89NAHeVMCYcPZV1+PuWsaFDD79YX9N5q/8cdxqBFrF/89TZrzN7Bo EbqZfn1t+ywNF7F7AOXGOSpdUh5SalcD/ZO02Bvjo7BC/rDHOD+1XGsMH+L5TgXmvK/39cZIM3i+qF gqnrlWYlDEPMxrbQip5yE5B08a29E6IX32GnuSg/O8CJqBFJurMqU30tRJ1l26q8fLpmAj8gNv9RXV cm+6yoPUaV5iJ5e/6MGhGISf2JoL9dl67dd+5gl/0VBtVfh50g00uJ2ugTgaIp3HWQFbN36Dqf3Q8T KDcSt+CrsLqJQXHFweIcDrRTSXm4Mg X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Now we hold execution of the stress test programs until all children are started there is no need to drain output while that is happening. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/fp/fp-stress.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/tools/testing/selftests/arm64/fp/fp-stress.c b/tools/testing/selftests/arm64/fp/fp-stress.c index 7c04f5001648..b3bbfe8d9f56 100644 --- a/tools/testing/selftests/arm64/fp/fp-stress.c +++ b/tools/testing/selftests/arm64/fp/fp-stress.c @@ -42,8 +42,6 @@ static struct child_data *children; static int num_children; static bool terminate; -static void drain_output(bool flush); - static int startup_pipe[2]; static int num_processors(void) @@ -138,12 +136,6 @@ static void child_start(struct child_data *child, const char *program) ksft_exit_fail_msg("%s EPOLL_CTL_ADD failed: %s (%d)\n", child->name, strerror(errno), errno); } - - /* - * Keep output flowing during child startup so logs - * are more timely, can help debugging. - */ - drain_output(false); } }