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=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 1D565C433E1 for ; Sat, 20 Jun 2020 08:08:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 07D8B23A32 for ; Sat, 20 Jun 2020 08:08:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726196AbgFTIIk (ORCPT ); Sat, 20 Jun 2020 04:08:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725835AbgFTIIk (ORCPT ); Sat, 20 Jun 2020 04:08:40 -0400 Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE496C06174E; Sat, 20 Jun 2020 01:08:39 -0700 (PDT) Received: from p200300d06f23b4e5c41e49015ae3a59e.dip0.t-ipconnect.de ([2003:d0:6f23:b4e5:c41e:4901:5ae3:a59e] helo=kmk0.localnet) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jmYYH-0008Kf-2s; Sat, 20 Jun 2020 10:08:37 +0200 From: Kurt Kanzenbach To: Vladimir Oltean , Jiafei Pan Cc: "linux-rt-users@vger.kernel.org" , lkml , "rcu@vger.kernel.org" , Colin King , Jiafei Pan Subject: Re: [EXT] Re: stress-ng --hrtimers hangs system Date: Sat, 20 Jun 2020 10:08:29 +0200 Message-ID: <11546107.O9o76ZdvQC@kmk0> Organization: Linutronix GmbH In-Reply-To: References: <4781d250-9a29-cef3-268d-7d83c98bf16a@gmail.com> <87y2ovzcmd.fsf@kurt> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org Hi Jiafei, On Friday, June 12, 2020 2:49:17 AM CEST Jiafei Pan wrote: > Hi, Kurt, > > May I know whether you used "root" user to run stress-ng? using "root" > user will change the scheduler to be "SCHED_RR", so would you please > share test result with root and non-root users? Thanks. Performed the test now as root and non-root user. Same result: No problem. Thanks, Kurt