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[151.19.1.30]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43ec342be6asm122527675e9.5.2025.04.06.22.58.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Apr 2025 22:58:02 -0700 (PDT) Date: Mon, 7 Apr 2025 07:57:58 +0200 From: Juri Lelli To: Michal =?iso-8859-1?Q?Koutn=FD?= Cc: Peter Zijlstra , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Frederic Weisbecker Subject: Re: [PATCH v2 00/10] Add kernel cmdline option for rt_group_sched Message-ID: References: <20250310170442.504716-1-mkoutny@suse.com> <20250401110508.GH25239@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Hi Michal, On 03/04/25 14:17, Michal Koutný wrote: > On Tue, Apr 01, 2025 at 01:05:08PM +0200, Peter Zijlstra wrote: > > > By default RT groups are available as originally but the user can > > > pass rt_group_sched=0 kernel cmdline parameter that disables the > > > grouping and behavior is like with !CONFIG_RT_GROUP_SCHED (with certain > > > runtime overhead). > > > > > ... > > > > Right, so at OSPM we had a proposal for a cgroup-v2 variant of all this > > that's based on deadline servers. > > Interesting, are there any slides or recording available? Yes, here (freshly uploaded :) https://youtu.be/1-s8YU3Rzts?si=c4H0jZl4_5bq8pI9 Best, Juri