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[97.120.204.225]) by smtp.gmail.com with ESMTPSA id w12-v6sm6543737pfd.110.2018.09.13.11.16.28 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 13 Sep 2018 11:16:29 -0700 (PDT) Received: by breakout.internal.digitalocean.com (Postfix, from userid 1000) id EB7918A2A78; Thu, 13 Sep 2018 11:16:27 -0700 (PDT) Date: Thu, 13 Sep 2018 11:16:27 -0700 From: Nishanth Aravamudan To: Jan =?iso-8859-1?Q?H=2E_Sch=F6nherr?= Cc: Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org Subject: Re: [RFC 00/60] Coscheduling for Linux Message-ID: <20180913181627.GA29148@breakout> References: <20180907214047.26914-1-jschoenh@amazon.de> <20180912002449.GA21797@breakout> <20180912231535.GA1546@breakout> <5490845c-3f71-8487-8580-87b18a639ecd@amazon.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5490845c-3f71-8487-8580-87b18a639ecd@amazon.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.09.2018 [13:31:36 +0200], Jan H. Sch?nherr wrote: > On 09/13/2018 01:15 AM, Nishanth Aravamudan wrote: > > [...] if I just try to set machine's > > cpu.scheduled to 1, with no other changes (not even changing any child > > cgroup's cpu.scheduled yet), I get the following trace: > > > > [16052.164259] ------------[ cut here ]------------ > > [16052.168973] rq->clock_update_flags < RQCF_ACT_SKIP > > [16052.168991] WARNING: CPU: 59 PID: 59533 at kernel/sched/sched.h:1303 assert_clock_updated.isra.82.part.83+0x15/0x18 > [snip] > > This goes away with the change below (which fixes patch 58/60). Yep, I can confirm this one as well, is now fixed. -Nish