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_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 48A18C3A59F for ; Thu, 29 Aug 2019 07:29:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BF78233A1 for ; Thu, 29 Aug 2019 07:29:38 +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="MULGiP11" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727097AbfH2H3f (ORCPT ); Thu, 29 Aug 2019 03:29:35 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:41554 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725853AbfH2H3e (ORCPT ); Thu, 29 Aug 2019 03:29:34 -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=Dc2Z2UKK8fKuTLf/li8BqTmSenbTjt/gCC0UkBjn7Xs=; b=MULGiP11SFMllSzI/CjtnvesA w8JiIv+qEMdapiaD0fthWONhOJzHeJ0Yz4wcjoadeuaD5ztgqDhVAp3kNQiPpGBlP0MGIxN3Wpl1W BKHuOABfbFUaj4UpV8KoOocWjIRIGcFfdLq9UTzj6rTW/341d75TDcX+/RKOzNfxcpnEL5O9m3rNd NgEaec2Hz2Opphxr1zW5PptXjrMuh4XSVF+AS/h2ZJjuFl/HhLkCDv/kIiohkKQiN9nbpgeI/xymw nzbugkSOt8QQEovo98+vMN9YGozRuv4jv7v1jXOOfYMFqp+FdOiigFImfqs1GShTgTOMM2fE8EIU1 n5M3UEgXQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1i3ErY-0002Ef-Kz; Thu, 29 Aug 2019 07:28:56 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 555F33070F4; Thu, 29 Aug 2019 09:28:19 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 40C0320CC3FD4; Thu, 29 Aug 2019 09:28:53 +0200 (CEST) Date: Thu, 29 Aug 2019 09:28:53 +0200 From: Peter Zijlstra To: Luwei Kang Cc: pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org, ak@linux.intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC v1 0/9] PEBS enabling in KVM guest Message-ID: <20190829072853.GK2369@hirez.programming.kicks-ass.net> References: <1567056849-14608-1-git-send-email-luwei.kang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1567056849-14608-1-git-send-email-luwei.kang@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, Aug 29, 2019 at 01:34:00PM +0800, Luwei Kang wrote: > Intel new hardware introduces some Precise Event-Based Sampling (PEBS) > extensions that output the PEBS record to Intel PT stream instead of > DS area. The PEBS record will be packaged in a specific format when > outputing to Intel PT. > > This patch set will enable PEBS functionality in KVM Guest by PEBS > output to Intel PT. The native driver as [1] (still under review). > > [1] https://www.spinics.net/lists/kernel/msg3215354.html Please use: https://lkml.kernel.org/r/$MSGID then I don't have to touch a browser but can find the email in my MUA.