Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp2362782imm; Thu, 14 Jun 2018 13:03:29 -0700 (PDT) X-Google-Smtp-Source: ADUXVKKm9v+AgqQDeAi+g0H2tI+HYjr6HtRlZyy8x1tScHkPzyZ8EetJTzB37Bti3JaClnDPkzC3 X-Received: by 2002:a63:8b44:: with SMTP id j65-v6mr3585270pge.203.1529006609479; Thu, 14 Jun 2018 13:03:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1529006609; cv=none; d=google.com; s=arc-20160816; b=Ytg2scWFx55+2KlCUBDDcEMwIbF3B5wlDOuo0meddzkFzcsLWE5zPMawcqmyqapQjI G02rbLiHRGhjytvFoxMtxtgTOrhZ0O9s5txQZXauDDxvn+jkNxZ9OKU5Y0tuDjExUKPP BKt7QSlfUN5i9sfOuA+hysjjSFoSFdBc4yxxMdVo9blZFbjC7Jz2wwPxxaf1mevaLACj VtlGN8PjKXygl/IqUFvD9PBM665qIXwmvvAVf3ztR0UFjY7dzuZcwanl1e2piOc9ACD/ qIC6ANmSEP5ZyQ/ZfgLCFZX/I045YjxWlCg13GQzKMp/aWIeUXw1pU2DdKSNDZBxAWve nd2g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :arc-authentication-results; bh=08IMnxlnMNh5yF/DsB9IiIujb7GPUI0Q5eXh9Ngq05k=; b=eISWLxqfDYLCcMpcul9Bw21UaypDZD1dHj0/nk522lYlDNb8v77LPJCCtDs/h5S7e9 tifzQ7+0BHhffmYSY5vThifsEjAcj4cprL38GzEM79wvBv5fPovivreEcTZcjmw+SDgk VfNfI77inf8e6lDf09giGDi4PXf5m09UZIgl35W2bno8uK8K14Y8R0QwNd5mQPu+3XaX mqvIwxg9IqaoAwZF9PTQJN2wB7EVqtkIH6wGryR7mIwR20H02O40xVY1Y6eHRMqXZ0lG F0wUY1sHImv73aknXk5NEu+YjMk+7fBkVFtwcTa8vXuvTEWp8ziFoKNPxTyFMjhFIITX dy2Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s66-v6si4954785pgc.142.2018.06.14.13.03.03; Thu, 14 Jun 2018 13:03:29 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755348AbeFNUCg (ORCPT + 99 others); Thu, 14 Jun 2018 16:02:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:38738 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754806AbeFNUCf (ORCPT ); Thu, 14 Jun 2018 16:02:35 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (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 8CE28208CB; Thu, 14 Jun 2018 20:02:33 +0000 (UTC) Date: Thu, 14 Jun 2018 16:02:31 -0400 From: Steven Rostedt To: Daniel Wagner Cc: LKML , linux-rt-users , Thomas Gleixner , Carsten Emde , John Kacur , Sebastian Andrzej Siewior , Daniel Wagner , Tom Zanussi , Julia Cartwright Subject: Re: [ANNOUNCE] 4.4.137-rt154 Message-ID: <20180614160231.6310d752@gandalf.local.home> In-Reply-To: <20180614191001.6882950047A@mail.monom.org> References: <20180614191001.6882950047A@mail.monom.org> X-Mailer: Claws Mail 3.16.0 (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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 14 Jun 2018 21:02:51 +0200 Daniel Wagner wrote: > I am not sure if I am hunting a ghost. During testing on the CI > testfarm, a spike of around 400us popped up on a x86_64 box > (*). Fortunately, I have the same CPU for testing at home and I > tried very hard to reproduce it. Even Steven was helping out for > setting up the test correctly. But so far I haven't seen it again. I believe it was a ghost. I just scared it away when I came over ;-) -- Steve