Received: by 2002:a25:ca44:0:0:0:0:0 with SMTP id a65csp2268088ybg; Thu, 30 Jul 2020 15:16:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzB/aZQwIRBYs++x42sFlWsClkTsfmBw9hdK25ilcihD308CN9wOOg+tR6sffLmmiLBFNtc X-Received: by 2002:a17:906:248b:: with SMTP id e11mr1204696ejb.280.1596147388579; Thu, 30 Jul 2020 15:16:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596147388; cv=none; d=google.com; s=arc-20160816; b=kegdptS+pggatmmCdhWQbK2HcrzMOecsqmDftLVy9YKFaC2HZrkQ0f7287WHz3Tp/c nSgL7SfguAHy+WSX+E5/o1l941zW5PryGMyg14FueZZ44pY/G39BhkuUiJfUNY8w/9KD 9WkgbOkP0ExChw/c9aoCBEcpP/ezupAv31GEQnYAP9MbNnbiZGMa/qUtoMS1RUVc2K7l 9XaJBAfy4YBigF7CBJVjN2yG6u6H5dbRGd/1Ipeb4IRep0wwedPqCTeNzAn7LpxAdruB 42KooR6ss7h0ndA8vULu/dqp//cKJ35o6J5d9WXc5STd5VX+FEIEyyJhWytpB/iEKHqX 7anA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=EI0QIOCzp+qWnYU0toMUiNBAwFGSW7ZQP3YlT17aTx0=; b=zHet8h56w4/A3S8VyWGTY9uyfwfnepKw/0mtG9w8wBxw482TCWlIhxpTxbhcyDHGwP ysbknR6gK08mQtCdXE8u78a18WVTiY98UNfB1A3KlaWDD8Zp1YBQznB4/jat7ReyAWBJ soP962QG85Xi1kJ007nLnULbVwqH4Je+nb8HkefxkHevq3HfOWxtkJzd17Oa4fCV+IuS 3gSHWFb0VpuKPoMbuEW8npo7iiXGkdzGNUOn6MFuhygoGblHc+N8mx9piPNHpG/LToph znVMiUYFvi8g5MM2l9sETNnAbiGsRHhG+VkzGmdPWb+SgG+ViXljlZrBbctJx1kBTbqO +qxA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=N0qyCgPZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bo24si3902207edb.185.2020.07.30.15.16.02; Thu, 30 Jul 2020 15:16:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=casper.20170209 header.b=N0qyCgPZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728110AbgG3WOu (ORCPT + 99 others); Thu, 30 Jul 2020 18:14:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727110AbgG3WOu (ORCPT ); Thu, 30 Jul 2020 18:14:50 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D369DC061574 for ; Thu, 30 Jul 2020 15:14:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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; bh=EI0QIOCzp+qWnYU0toMUiNBAwFGSW7ZQP3YlT17aTx0=; b=N0qyCgPZ4uHeSXaFAMovbTcsJZ xcBBMCrKD2z4afVmltk83O97iovOHfwlMA4Sh8L4L5yq7DWyxDZPtcjReTDvAO2hgkvz8VKWMrpSU VTdLW8ilYZ3sRG/B9OBHVhLIqwZUy4xCOsuwPM5UwUJzOQAwTZNLmFQbcwT6z9lylQXnXe/Ce2XDi MudA/MqFefBKMqL1njXsxqDCjb+ZPHYDbO2QWo6cDIA1USju2/CF1q7TxlA6mtHcKog7d6Mo0uqb7 LOCNHZxL15oSBx+N11hBlWlYOG7rIvyVUWOq7F08NDdevZZzanyWqofFzJW2mf3O1xkb22ig5foyG 2q4i5UWw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k1Gol-0005WK-LV; Thu, 30 Jul 2020 22:14:28 +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 62BB030066E; Fri, 31 Jul 2020 00:14:23 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id D83CE235CA5D4; Fri, 31 Jul 2020 00:14:23 +0200 (CEST) Date: Fri, 31 Jul 2020 00:14:23 +0200 From: peterz@infradead.org To: Jiri Olsa Cc: Arnaldo Carvalho de Melo , lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Michael Petlan , Ian Rogers , Andi Kleen , David Ahern , =?iso-8859-1?Q?Genevi=E8ve?= Bastien , Wang Nan , Jeremie Galarneau Subject: Re: [PATCH 0/6] perf tools: Add wallclock time conversion support Message-ID: <20200730221423.GH2638@hirez.programming.kicks-ass.net> References: <20200730213950.1503773-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200730213950.1503773-1-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 30, 2020 at 11:39:44PM +0200, Jiri Olsa wrote: > The patchset is adding the ability to display TOD/wallclock timestamp > in 'perf script' output and in 'perf data convert --to-ctf' subcommand, > so the converted CTF data contain TOD/wallclock timestamps. But why? Wallclock is a horrible piece of crap. Why would you want to do this?