From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 57C8F3090D5; Thu, 12 Mar 2026 08:45:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773305102; cv=none; b=qHFMtw76UPaYdC2K8dIXZgWbqYb4Ps4rl+RtctgjLDS/fIxskCaUe5ryhdWGVeu0B3ERKPjJ4DAuRdt6JJd71TbWQxYBh7+sk1Z354OROwE8o2oRX7ERvcVDV9nUjhxZiBTk4m8i59hB5TKVg3JfEMtlRhiZumUPslcRUK3c3JI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773305102; c=relaxed/simple; bh=2/zXMu+4WkLz1kiPeuAc2xZPU3G5yR6kxcN1JGMyjgM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SdbAV+nP3Z4zXezzDsNo2rneB9Zah9yKcQfAMzfQ8DNT88SI/X4bpCzYpdEO6fKdbzmqy48YIeprNfiDg1cJnhUSx9Y9E5SUDuqhupnTpXr8pOd6zoCqrKGQWTBb4k9JSuSP0AKdXvpLFsi8aN7vYSQwq9PvmZOTWQvRdgkyZoA= 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=iD4w+Efm; arc=none smtp.client-ip=198.175.65.13 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="iD4w+Efm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1773305101; x=1804841101; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=2/zXMu+4WkLz1kiPeuAc2xZPU3G5yR6kxcN1JGMyjgM=; b=iD4w+EfmwJT9ibD4cl568z4JFTEj2u5JxQr4wAQmx7G8x7R3Q10aoykF ZOadOJvYl6TnJmaqsNr3yAdn69NfAZ7ULXGZ9wwLzpaN+N8dMQLqi/Bty fdYLPSN9PzzTKIB7WnF+QITlW5LefaWbq8tvR8CF6XxwVnh6sGG9QAZpU s10Tv/qhnQXU1WlNJMmChgtk3oNbEpOjqY8sGUNW5X1QYEp52u5PPKFFS mYrI+hS1Lgwf95AnR0179Jm4mY/1nKnVK41tis79i4nqJMs8/XlucVATL XthpEpAp4Zrs2MqLSElR+wmoDvLWOZxpjxlmoDv/8ec0s6mbe8YcOgez/ A==; X-CSE-ConnectionGUID: MsAa12mhSEuLeAG417RrcA== X-CSE-MsgGUID: 44E3EL83Rget7mZdHKluNQ== X-IronPort-AV: E=McAfee;i="6800,10657,11726"; a="85475703" X-IronPort-AV: E=Sophos;i="6.23,116,1770624000"; d="scan'208";a="85475703" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2026 01:45:00 -0700 X-CSE-ConnectionGUID: Uzi+eJaARR+GPQghQNMWlQ== X-CSE-MsgGUID: a3TBCjbsRr+7tYRVgk5MOw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,116,1770624000"; d="scan'208";a="220017062" Received: from dapengmi-mobl1.ccr.corp.intel.com (HELO [10.124.241.147]) ([10.124.241.147]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2026 01:44:54 -0700 Message-ID: <772e396d-7da7-40f2-bb9b-481f21c23e6d@linux.intel.com> Date: Thu, 12 Mar 2026 16:44:51 +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: [RESEND Patch 1/2] perf/x86/intel: Only check GP counters for PEBS constraints validation 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: <20260228053320.140406-1-dapeng1.mi@linux.intel.com> <20260312084206.GF606826@noisy.programming.kicks-ass.net> Content-Language: en-US From: "Mi, Dapeng" In-Reply-To: <20260312084206.GF606826@noisy.programming.kicks-ass.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 3/12/2026 4:42 PM, Peter Zijlstra wrote: > On Thu, Mar 12, 2026 at 04:28:45PM +0800, Mi, Dapeng wrote: >> Hi Peter, >> >> Could you please review and merge this change? This change suppose to be >> low risky. Without this change, the dynamic constraints check would trigger >> false positive on DMR/NVL. Thanks. > Ah, so I have it in queue/perf/core, it didn't have no Fixes on so I > didn't think it urgent. Oh, just saw it. Thanks a lot! 😊 >