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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,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 83672ECDFB8 for ; Mon, 23 Jul 2018 15:16:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B7EE20881 for ; Mon, 23 Jul 2018 15:16:10 +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="eQV0BS4o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B7EE20881 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 S2388612AbeGWQRt (ORCPT ); Mon, 23 Jul 2018 12:17:49 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:56460 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388115AbeGWQRs (ORCPT ); Mon, 23 Jul 2018 12:17:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=5UZcmUt5oaXoO6Kj0ow48JNGaBwuVVKG2U8tE/wpClQ=; b=eQV0BS4ovURWx1EXQmzxJ8I2h Mdu/ybY1S6//yzNYZ3NSFqXiOkPQRsCE2gMHtJoLp7OjYEq7dBEGBfrSMGjyHDDIqZ+Mjpwkg5mes HClf7E34LFj2pN1QUDcUpuL+tDnaxTfANk+Ozlxb3wOtfViCvjh0BSHZ7w8bn/aRE4pmsUMFWmuiE UwsjnQNeGhF7CHNcgPjnwtqPhU6tXDc2sTvyvdJGJ3fonunpGZQAULuh/QotBNLP6TQgtmwfeTuru 3CWJHGJrfU0G6IO3DYrVODQ06r4e6r0nNRKBDB2d20hRtpGGp3Nr34zmHtcjU88uqVA1VvFvGCBkf NCtSNx69g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fhcZB-0005t2-0X; Mon, 23 Jul 2018 15:16:05 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 785D320272168; Mon, 23 Jul 2018 17:16:03 +0200 (CEST) Date: Mon, 23 Jul 2018 17:16:03 +0200 From: Peter Zijlstra To: kan.liang@linux.intel.com Cc: tglx@linutronix.de, mingo@redhat.com, linux-kernel@vger.kernel.org, acme@kernel.org, alexander.shishkin@linux.intel.com, vincent.weaver@maine.edu, jolsa@redhat.com, ak@linux.intel.com Subject: Re: [PATCH 1/4] x86/perf/intel: Introduce PMU flag for Extended PEBS Message-ID: <20180723151603.GC2458@hirez.programming.kicks-ass.net> References: <20180309021542.11374-1-kan.liang@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180309021542.11374-1-kan.liang@linux.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 Thu, Mar 08, 2018 at 06:15:39PM -0800, kan.liang@linux.intel.com wrote: > From: Kan Liang > > The Extended PEBS feature, introduced in Goldmont Plus > microarchitecture, supports all events as "Extended PEBS". > > Introduce flag PMU_FL_PEBS_ALL to indicate the platforms which support > extended PEBS. > To support all events, it needs to support all constraints for PEBS. To > avoid duplicating all the constraints in the PEBS table, making the PEBS > code search the normal constraints too. > So I like PEBS_ALL.. what I don't like is that it seems to be mutually exclusive with PEBS Load Latency. Took the patches.