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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 4F97CC10F27 for ; Mon, 9 Mar 2020 15:44:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E75920578 for ; Mon, 9 Mar 2020 15:44:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727082AbgCIPoL (ORCPT ); Mon, 9 Mar 2020 11:44:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:34454 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726804AbgCIPoK (ORCPT ); Mon, 9 Mar 2020 11:44:10 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DBE2620578; Mon, 9 Mar 2020 15:44:09 +0000 (UTC) Date: Mon, 9 Mar 2020 11:44:08 -0400 From: Steven Rostedt To: "Yordan Karadzhov (VMware)" Cc: "Tzvetomir Stoyanov (VMware)" , linux-trace-devel@vger.kernel.org Subject: Re: [PATCH 0/2] KernelShark2.0: Use libtracefs APIs to access tracefs Message-ID: <20200309114408.14440fff@gandalf.local.home> In-Reply-To: <4aab233c-6f5b-59a7-564b-e520ed1f569f@gmail.com> References: <20200306092902.48786-1-tz.stoyanov@gmail.com> <20200306151356.4bbeef14@gandalf.local.home> <20200306173411.783cccd0@gandalf.local.home> <4aab233c-6f5b-59a7-564b-e520ed1f569f@gmail.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org On Mon, 9 Mar 2020 11:17:44 +0200 "Yordan Karadzhov (VMware)" wrote: > > Just confirmed it. If I add kvm events to the guest, it synchronizes > > automatically. Thus, it's a bug to expect the guest to have kvm events, as > > there's no reason for them to do so. > > Is it possible that something else gets enabled during the recording of > the data, that actually makes the difference? > Y. Unfortunately, I blew away the files with the issue and tried to reproduce it, and I can't :-/ Now even without the kvm events it appears to work. I may try one more thing (which is to rebuild the guest without KVM at all), and see if I can bring back the issue. But for now, I guess it's a "WORKS FOR ME" :-/ -- Steve