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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41156C28CF6 for ; Fri, 3 Aug 2018 15:25:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E20AA21775 for ; Fri, 3 Aug 2018 15:25:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="rPbgCg6U" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E20AA21775 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727537AbeHCRWU (ORCPT ); Fri, 3 Aug 2018 13:22:20 -0400 Received: from merlin.infradead.org ([205.233.59.134]:43386 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727246AbeHCRWU (ORCPT ); Fri, 3 Aug 2018 13:22:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=5CckWVZ19mDRE+nb+m1P6u23lkBWNktRwYY1E7pcs1k=; b=rPbgCg6UoHdI3KtsCw+v6XDGy kuqWNuerOEG33hAdSf/obPdAXTkqNK8k6NismfnZMpPeTLlc32uJ00EOAUE1H612y6ceJXTbcl0cF c+ySACnS1HsCTYwcnMPfodJpcr//zeyyG8VjwIAMDWpD0qpHlH1TqXESZBk3h0nuyrMIFKdOc+osY UmeUMSiODZm5f5Spso8EbwNNbl13T+9dRCxqXTDuI8tLtBKLm6NztibINXJ6YObAmbw7XIfrwuT+m vUQDK8fmoEDKTYHXdlQzCUyHnVonuPuZ+lo0rcM8COK6ThzOmZmJRCmYhn8p1wvWaQG3GopmA3A7O 1oOOatKuw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1flbxF-0006yt-0L; Fri, 03 Aug 2018 15:25:25 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A19AC20268265; Fri, 3 Aug 2018 17:25:23 +0200 (CEST) Date: Fri, 3 Aug 2018 17:25:23 +0200 From: Peter Zijlstra To: Reinette Chatre Cc: Dave Hansen , tglx@linutronix.de, mingo@redhat.com, fenghua.yu@intel.com, tony.luck@intel.com, vikas.shivappa@linux.intel.com, gavin.hindman@intel.com, jithu.joseph@intel.com, hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf Message-ID: <20180803152523.GY2476@hirez.programming.kicks-ass.net> References: <20180802161823.GJ2458@hirez.programming.kicks-ass.net> <20180802173727.GP2494@hirez.programming.kicks-ass.net> <653e874f-5e77-a9b5-996a-ed9daa3c6d43@intel.com> <20180802195410.GR2494@hirez.programming.kicks-ass.net> <20180802201312.GS2494@hirez.programming.kicks-ass.net> <086b93f5-da5b-b5e5-148a-cef25117b963@intel.com> <20180803104956.GU2494@hirez.programming.kicks-ass.net> <1eece033-fbae-c904-13ad-1904be91c049@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1eece033-fbae-c904-13ad-1904be91c049@intel.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 03, 2018 at 08:18:09AM -0700, Reinette Chatre wrote: > You state that you understand what we are trying to do and I hope that I > convinced you that we are not able to accomplish the same by following > your guidance. No, I said I understood your pmc reserve patch and its implications. I have no clue what you're trying to do with resctl, nor why you think this is not feasible with perf. And if it really is not feasible, you'll have to live without it.