From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A3EB3C4B89; Mon, 10 Aug 2026 12:25:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786364712; cv=none; b=KtnhglH5gPnjQHhIK6qZ2roe0epbadxlrOAVJz2D4gb9CRAwSaDTeGClECz/qeCpRW+KntoL4McIC9KlfhyF1FGrXwvvvUWMn1ZcOjX6q9g8z+SJIF7jSKAMSk9VJXDUMudV6z1voEMiFkwrt+GKM1GlUnlyMosxuGyEmgCIGlU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786364712; c=relaxed/simple; bh=YhYt8kKeP1prvkFYN9IP9TNyzqL6Tiu60Aa4oujk0uc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WBYeBNKoaD8r/O0WDOBWxfWFPR+jR9SYYqCRdMNadofWpAEMt41GDwlnqHGlrWMe5dXRNCGjLZYOITLHjA1mn0vObfYnOXXTup1PteQjVBKeGHeL+Ai97tuNomWwY8RJ9eHURbrNExrfbxrlPDEBq3SItowdqVlzjelgRvpxWPk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=mgY0ss1g; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="mgY0ss1g" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786364710; x=1817900710; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=YhYt8kKeP1prvkFYN9IP9TNyzqL6Tiu60Aa4oujk0uc=; b=mgY0ss1gbtIpnC56hDn2akgiPq7ZoZ2ARudXUcUx+dazJiUpzQgyZp03 oLuXeuUF7hMdiU6u2hWPuR3i8lx5lqnAvb6rf7nnW8qaGR8kTYqeVz4Hz x+tlScGXfhnDsnPnoSjn9gm9YIH4+sZL12YR8xE8B+I4eLqigUpuwj7Ix P79P6fQg/4X2azjgylEg0mUGqrPGyrtQ0F8eQh8F4Z0eRox8izE+Z2A71 Ww8TboZSL8DF0XAXc6nQeL2IUI9K5YqOn8RLG3xQGqu4f4ELoKEXnG0C+ kaDWLTezAXaLKaV1bB9U125YEjQDUi0XV985YXyoKKu5Fw2gf1Zd12J+J g==; X-CSE-ConnectionGUID: uPVta2qJRU2whevd+INWcg== X-CSE-MsgGUID: G1WKn/RgTESCb7VMkrIwyQ== X-IronPort-AV: E=McAfee;i="6800,10657,11870"; a="97225889" X-IronPort-AV: E=Sophos;i="6.25,215,1779174000"; d="scan'208";a="97225889" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2026 05:25:10 -0700 X-CSE-ConnectionGUID: eT89tigzRPqj9o2Dvwbx0w== X-CSE-MsgGUID: e8Z99cX3S92zFgbjU+mk3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,215,1779174000"; d="scan'208";a="268185403" Received: from dapengmi-mobl1.ccr.corp.intel.com (HELO [10.124.241.239]) ([10.124.241.239]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2026 05:25:06 -0700 Message-ID: <568585e8-a438-430d-8760-34134cca788f@linux.intel.com> Date: Mon, 10 Aug 2026 20:25:03 +0800 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v3 6/8] perf/x86/intel: Fix intel_cap handling on hybrid PMUs To: Peter Zijlstra Cc: Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , Andi Kleen , Eranian Stephane , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Dapeng Mi , Zide Chen , Falcon Thomas , Xudong Hao References: <20260717080342.1879573-1-dapeng1.mi@linux.intel.com> <20260717080342.1879573-7-dapeng1.mi@linux.intel.com> <20260810121842.GW776954@noisy.programming.kicks-ass.net> Content-Language: en-US From: "Mi, Dapeng" In-Reply-To: <20260810121842.GW776954@noisy.programming.kicks-ass.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/10/2026 8:18 PM, Peter Zijlstra wrote: > On Fri, Jul 17, 2026 at 04:03:40PM +0800, Dapeng Mi wrote: >> + /* >> + * The Perf Metric (Bit 15) is always cleared on P-core of >> + * RPL and MTL. Details can be found in RPL018 erratum. >> + * https://edc.intel.com/content/www/us/en/design/products/platforms/details/raptor-lake-s/13th-generation-core-processor-specification-update/errata-details/ >> + */ > Typically intel.com URLs are unstable and not worth the effort of > including anywhere. I'll strip this out, its probably easy enough to > google the erratum number. Sure. Thanks.