From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F0BE3A59; Thu, 27 Feb 2025 08:23:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740644586; cv=none; b=p1VWKgN1KqbwYUIhv/tmOgMkjLfdTgQwzHlOrmnInv91DA50uvVH2+AsA8Ifuf2qAdwK0PXqgmp2Mv7B0ZFcvigSfeFzZxxgb0WjGCT0NcsdgwX8C5/1WYNExbFcwN8O0yPKIrgIplkgaKHI4O2lb+gZFeBew1IuDmvkP1oKEMM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740644586; c=relaxed/simple; bh=nK80OQN95rpSbI/Cb1bmSAA0fXKECfAsrcb2cug/j+k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=BIPakZ6/Ni6cGAG+0F1+/ygoZp2ghtY7MyZpcLKr7sziaymSH5C2EOTp6rpwXXaY4bCsOpZhw7X3juxv1Y+fF5LQuOfhlVI+KU9oe8r1O6oWwUWxfAkEGtVqRsf316bdLwO/QmNTWzO+mO4/iofMpLDdl79ljH5+wn4IZ0wsNxA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 659E72C1C; Thu, 27 Feb 2025 00:23:14 -0800 (PST) Received: from localhost (e132581.arm.com [10.2.76.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 594FF3F6A8; Thu, 27 Feb 2025 00:22:58 -0800 (PST) Date: Thu, 27 Feb 2025 08:22:51 +0000 From: Leo Yan To: Namhyung Kim Cc: Arnaldo Carvalho de Melo , James Clark , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] perf arm-spe: Report error if set frequency Message-ID: <20250227082251.GD1821331@e132581.arm.com> References: <20250205183009.224182-1-leo.yan@arm.com> <20250217082008.GA8144@e132581.arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Namhyung, On Wed, Feb 26, 2025 at 11:05:08PM -0800, Namhyung Kim wrote: [...] > > > After: > > > > > > perf record -F 100 -e arm_spe_0// -- sleep 1 > > > Arm SPE: Frequency is not supported. Check manual 'man perf-record' on how to set period. > > > > > > Signed-off-by: Leo Yan > > > > Gentle ping. > > Sorry for the late reply. > > Isn't it just -c to set period for Arm SPE? If so, it'd be > better to say that explicitly. Yes, '-c' works for Arm SPE. Will change for this. Thanks, Leo