From mboxrd@z Thu Jan 1 00:00:00 1970 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 E1A74C4167B for ; Mon, 27 Nov 2023 13:30:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233195AbjK0NaB (ORCPT ); Mon, 27 Nov 2023 08:30:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232819AbjK0N36 (ORCPT ); Mon, 27 Nov 2023 08:29:58 -0500 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 625A885 for ; Mon, 27 Nov 2023 05:30:04 -0800 (PST) Received: by mail-pj1-x102e.google.com with SMTP id 98e67ed59e1d1-2855b3d9a9bso2796716a91.2 for ; Mon, 27 Nov 2023 05:30:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1701091804; x=1701696604; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=PKlDdBuEZ+8lU90QI08u0X82MNiRvxsgynDVkDlzsLE=; b=YIKrVWm2JTzmRYvIV+rA3LDWTWyiXsKmjaNjnb+4vSPoaMhQ49QDxrHsd4bBMFAna3 04YEz3SDhsQcKXzHRYeE8KdrFKkDi7hycr8iSAKrl2HQq1VZ45zpz/AWYl2l/kpISWQE 7AzirNKyMy2poyfBYHIgiva5j4+qubT2p36Osfg1XddnKhiKBxsS2IHpQuWLH8ok2hxq n4kklFfnQ6j6BX4gN6GzVpcRuAu8KrrEyDPqUNxgct+/t+ss+whbQH/ewmcsnoRi4doU bo8Mfrh6cW8TeuRG5ChsOg/oH+7TiuBTMr7x5ooRTf6qUMEKs21Jfv3Hz1piTOBuC5/B MXNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701091804; x=1701696604; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=PKlDdBuEZ+8lU90QI08u0X82MNiRvxsgynDVkDlzsLE=; b=tz432X+KnVZVtAjcpsqIyPmvtYHvzJdTfDJnT2iw1XoRSpmT5L0uaVqb8d5pXyz6Hz hX7v6r2ArYSikh5Y07m4+SspX/RGqYeU1C9ZQn4bGEAmu4YcCkM957Hl9METumZ/Lk+t C53QtBgJVyk8vR6UySAV50dqHWRltDeq88LCwZan522pSv1QEJss4Veo5qJn6NgdR/HB YHpEi6HYA3d4S77iHWadq6UCIa42CkBZcJpKcJuLMxcg9KGqcB6iqxa59mJIpJHg/QD+ toYRNgJzuS+uK3Z3HylFrFsv36gbPsyKdD1dH1rg39jgP2BRH8TLNcNA3qHDiLg6QixA ImsQ== X-Gm-Message-State: AOJu0YxrZF9+wMo0sQ2Eog27dmpfmKeUeNEnS6gieFMQXHGDDOzBpIL0 kqwA4m86kbWgUt7KExzrI4P4tudBM3d4h56Fw3fMMiZL/Z8= X-Google-Smtp-Source: AGHT+IGM0uNalET3HXy88rOoTMDYsMyN6wjw9RF8DZp4O9yFJrk3P0ME8UMdH+ZJrGCfY1RnxHugLg== X-Received: by 2002:a17:90b:388e:b0:285:c4f1:4646 with SMTP id mu14-20020a17090b388e00b00285c4f14646mr3143688pjb.46.1701091803680; Mon, 27 Nov 2023 05:30:03 -0800 (PST) Received: from leoy-huanghe.lan (211-75-219-202.hinet-ip.hinet.net. [211.75.219.202]) by smtp.gmail.com with ESMTPSA id pg4-20020a17090b1e0400b00285a2069a22sm3994317pjb.5.2023.11.27.05.30.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Nov 2023 05:30:03 -0800 (PST) Date: Mon, 27 Nov 2023 21:29:57 +0800 From: Leo Yan To: Arnaldo Carvalho de Melo Cc: Nick Forrington , Michael Petlan , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Arnaldo Carvalho de Melo , vmolnaro@redhat.com Subject: Re: [PATCH] perf test: Remove atomics from test_loop to avoid test failures Message-ID: <20231127132957.GA76706@leoy-huanghe.lan> References: <20231102162225.50028-1-nick.forrington@arm.com> <20231125030529.GB178091@leoy-huanghe> <20231126074030.GA647134@leoy-yangtze.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 27, 2023 at 10:20:47AM -0300, Arnaldo Carvalho de Melo wrote: > Em Sun, Nov 26, 2023 at 03:41:14PM +0800, Leo Yan escreveu: > > Maybe the commit log caused a bit confusion, the problem is after > > We'll have the Link pointing to this discussion. Okay, it's a good tracking. > > enabling "-moutline-atomics" on aarch64, the overhead is altered into > > the linked __aarch64_ldadd4_relax() function, test_loop() cannot be > > sampled anymore, but it's not about stack tracing. > > > > Anyway, the patch is fine for me. > > I'm taking this as an Acked-by: Leo > > But probably this could be even a Tested-by, ok? Yes, here is my test tag: Tested-by: Leo Yan