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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 C4069C10DCE for ; Fri, 6 Mar 2020 11:18:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 984DA20848 for ; Fri, 6 Mar 2020 11:18:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YKbms9DW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726162AbgCFLSg (ORCPT ); Fri, 6 Mar 2020 06:18:36 -0500 Received: from mail-pj1-f47.google.com ([209.85.216.47]:50896 "EHLO mail-pj1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726025AbgCFLSg (ORCPT ); Fri, 6 Mar 2020 06:18:36 -0500 Received: by mail-pj1-f47.google.com with SMTP id nm6so938959pjb.0 for ; Fri, 06 Mar 2020 03:18:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=dYENKnWfTVKJzAhzFURHfhecVQB4ZcPcrgFF4ccOeV4=; b=YKbms9DWwnx4qahpFkzhESdacHzE0eo0b0gNENMA8ag5zpjxkdtbu937PEQTnNRoZy U9YS9IZ8Ghrv/RHG15x/it2Kg5CgJxFj/RxZqCE8nnrHgN047iTGH4GqjIQb/o5e4AAi CzRjdFrlbu+ICLLJ9ZLLRDFmcs5dORbJ2bSPGvJXlI/G6D7jxjPU1Ezm+3ih+q27YOe3 wJ0NKFPeVuOCEd6uU3onMOsNlSFOrmMkvjwsl8/RGp82Tr8r/s9TYU8V5pVNmQcsh4Jv Z1kduJ7f8FNzArDGmtji24UTtjQpQZQ2mKVkNFG9CaVXnhcIVyFM9EBOiq/XRKld6UEX p9GQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=dYENKnWfTVKJzAhzFURHfhecVQB4ZcPcrgFF4ccOeV4=; b=PjI2Ez0uMaRuFlLVS5/X16BxUH2+pNtftEjBXZfP7owtwZG7G+Fl9OfQXaWw43Lmzc 9JG4euGFLgB50LXEdn6TNrMf5n/ZVESA0Z26HRvq2yUa5vkgpUn47bWVO6gNffKGT262 PZRcy6aJX2jkp+bbptjMopbGHQ2pAtz3uN+P5rHLqt9wzcpsx1z2EWMxERCMw/cpIyQA KPe0HXaJWqeQs9CCsP+DfTp5cjrqJIJqG3gyhtQx22IKtKP/HMIB1pub4V/gqPQxG49a jzTH/DEaikfr2wZhrenORgaHGkO//M9ON++QVzKb3iIFw0rgdASk1mPz7QtiXd7OmbVT QjCA== X-Gm-Message-State: ANhLgQ2vyunY01XxbrxW/oswoT4NiLYy5rniZtG5ulrj/Y5/lwM9mjB8 9zNVkYFmASMSOephqbQliEIS5DRIdCPQeIjJ+rc= X-Google-Smtp-Source: ADFU+vuFRJSjMEDU7vgTm3vFBmVYuR1tS+Hoa+P3mh9E/RsfzFgwqcD3i/ty13j/SggANM247uwaUrVcN6MCn6wZpjo= X-Received: by 2002:a17:902:467:: with SMTP id 94mr2514489ple.302.1583493514882; Fri, 06 Mar 2020 03:18:34 -0800 (PST) MIME-Version: 1.0 From: Tzvetomir Stoyanov Date: Fri, 6 Mar 2020 13:18:23 +0200 Message-ID: Subject: KernelShark 2.0 alpha and host - guest timestamp synchronization To: Steven Rostedt , Yordan Karadzhov Cc: linux-trace-devel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Hi all, I have tested the latest KernalShark 2.0 alpha and "Timestamp synchronization of host - guest tracing session " patch set. The only problem was the missing integration with the new lintracefs, submitted 2 patches to fix it. Steven, please check if there is there is time synchronization data in the guest trace file: trace-cmd dump --options trace-guest.dat ... [Option TimeShift, 44 bytes] 0x6470A6C9720B8D78 [peer's trace id] 2 [samples count] 34248057155152 180882280920 [offset @ time] 34248057142908 186149766692 [offset @ time] ... -- Tzvetomir (Ceco) Stoyanov VMware Open Source Technology Center