From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 C9BFE19E7ED; Tue, 25 Feb 2025 20:42:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740516133; cv=none; b=BbUSTDcJ6Rp8etFgN45mNQhF2tUMisklKTBENjGaq+Z3+cakSCdrA2gvs+B2zPjcUGRE/FqLdR0VuWbqKx15y030lYrCWVVtIS2ySJsSUcIiB5Ah49S+SENKcew5uNtXOGuJREzlmXno7mzgFWdEEXBS2qp/0GJd9tYQcxMHtd0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740516133; c=relaxed/simple; bh=ckhYU8LrPAZ/0anr7Gf4neqYQxH3wNd17cE78QPhJ+k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UcecdktijOrW48VHzOYbBfpTJajSGVpXGK8Mt6DKn5ZQQWLy7rVTowOxc5jvo1D9/OXx1kaFpCOIS36h6rPcs6ITKVn68HkYX1P3enxPJc165vsfPTpHvYf7h2kCE0omlgkuMSIQnuB5yZtbiLhPoKRNXqIIu4jQiudfuU8Grew= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=AtWr8I2Y; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="AtWr8I2Y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740516132; x=1772052132; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ckhYU8LrPAZ/0anr7Gf4neqYQxH3wNd17cE78QPhJ+k=; b=AtWr8I2YTiwL4pR+/WAm5qg6FV83HoE+Mj/Sbznc5JGmWxpRNBlHaj+w Ro2Au0eHbZciuw7gtCbtt96mbaAVqOXhX7j8SuUcIVfvVFD8W9KK5SxFk GAHVUwHBDSQs2WZv8UcEQlx0VxBbgSxw3rTQ7RMfsT0qXzeCQCtL/MjrX gydeCHnEBf9qmiSKpczk31l7c/Mkmsx6ZUUMobFMdQMlcDdDeKkVO9QzV namPierl0fYNZrPmpuL5ExkGGVwWNrwHNaXhfSANNXl0oo5wZcsbeVr0Y 0jujk8NKroImumaSd1cRZqOgtBZd5XeqnbDJtmHHnMAlwmyTY7WlfyFQX g==; X-CSE-ConnectionGUID: AuGaBBqpR3i41nJnl/nXuQ== X-CSE-MsgGUID: pdeG4R/JRditPRDhx/gDhA== X-IronPort-AV: E=McAfee;i="6700,10204,11356"; a="41471084" X-IronPort-AV: E=Sophos;i="6.13,314,1732608000"; d="scan'208";a="41471084" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2025 12:42:10 -0800 X-CSE-ConnectionGUID: BA4QflZnTj+m7DiH8XxtHg== X-CSE-MsgGUID: C9UBZuBdRoi+xcIt/OjHtA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="116992546" Received: from tassilo.jf.intel.com (HELO tassilo) ([10.54.38.190]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2025 12:42:10 -0800 Date: Tue, 25 Feb 2025 12:42:09 -0800 From: Andi Kleen To: Peter Zijlstra Cc: Dapeng Mi , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , Kan Liang , Eranian Stephane , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Dapeng Mi Subject: Re: [Patch v2 10/24] perf/x86/intel: Process arch-PEBS records or record fragments Message-ID: References: <20250218152818.158614-1-dapeng1.mi@linux.intel.com> <20250218152818.158614-11-dapeng1.mi@linux.intel.com> <20250225103927.GJ11590@noisy.programming.kicks-ass.net> 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: <20250225103927.GJ11590@noisy.programming.kicks-ass.net> > > > > + /* > > + * Arch PEBS sets bit 54 in the global status register > > + */ > > + if (__test_and_clear_bit(GLOBAL_STATUS_ARCH_PEBS_THRESHOLD_BIT, > > + (unsigned long *)&status)) { > > Will arch_pebs hardware ever toggle bit 62? No it won't. -Andi