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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 05634C433E0 for ; Thu, 30 Jul 2020 22:14:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C55E82084D for ; Thu, 30 Jul 2020 22:14:51 +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="N0qyCgPZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728503AbgG3WOu (ORCPT ); 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?