![]() This builds upon the per client GPU utilisation work which landed recently for aįew drivers. Value of zero (defaul) disables the soft limit checking. Relative distributing of GPU time between the sibling groups.ĭrm.period_us (Most probably only a debugging aid during RFC phase.)Īn integer representing the period with which the controller should lookĪt the GPU usage by the group and potentially send the over/under budget Standard cgroup weight based control used to configure the There are no guarantees that the soft limitsĭRM scheduling soft limits interface files Individual DRM drivers which implement the interface are expected to act on this Receive notification from the cgroup controller when the group enters or exits Invokes a callback notifying the DRM core of the condition.ĭRM core provides an API to query per process GPU utilization and 2nd API to The belonging tasks to detect the over budget condition, at which point it The controller configures the GPU time allowed per group and periodically scans Two way communication interfacesĪre then defined to enable the delegation to work.īecause of the heterogenous hardware and driver DRM capabilities, soft limitsĪre implemented as a loose co-operative (bi-directional) interface between the The proposals defines a delegation of duties between the tree parties: cgroupĬontroller, DRM core and individual drivers. [In fact, perhaps scheduling is even easier to deal with thanġ-2) Improve client ownership tracking in DRM core.ģ) Adds a skeleton DRM cgroup controller with no functionality.Ĥ-9) Laying down some infrastructure to enable the controller. Purely a skeleton patch where any further functionality can be added with no Skeleton DRM cgroup controller is deliberatly There should be no conflict with this proposal and any efforts to implement *) Another real world example later in the cover letter. Scheduling control can easily be integrated into that setup. ![]() *) Specifically under ChromeOS which uses cgroups to control CPU bandwith for The concepts the proposal relies are well enough established and stable. I hope toĭemonstrate there are gains to be had in real world usage(*), today, and that Sharing it early since the topic has been controversial in the past. So here it is - in the world of heterogenousĬomputing pipelines I think it is time to do something about this gap.Ĭode is not finished but should survive some light experimenting with. Whereasīack then I was proposing to somehow tie this with process nice, feedback mostly Scheduling lags significantly behind what is available for CPU and IO. Motivation mostly comes from my earlier proposal where I identified that GPU Similar in concept to some of the existing controllers. Implements a weight based hierarchical GPU usage budget based controller This series contains a proposal for a DRM scheduling cgroup controller which Zefan Li, Dave Airlie, Tejun Heo, cgroups, T. Linux-kernel, Stéphane Marchesin, Christian König, If you haven’t yet, you can head over to our documentation page and find out more about TimescaleDB, our open-source extension that makes PostgreSQL scalable.DRM scheduling cgroup controller All of help / color / mirror / Atom feed * DRM scheduling cgroup controller 16:55 ` Tvrtko Ursulin 0 siblings, 0 replies 97+ messages in threadįrom: Tvrtko Ursulin 16:55 UTC ( / raw)Ĭc: Rob Clark, Kenny.Ho, Daniel Vetter, Johannes Weiner, Option 2: psql Now you have connected via psql. Once you run that command, the prompt will ask you for your password. Now, in order to connect to your PostgreSQL server, we’ll need the following connection params: Let’s confirm that psql is installed: psql -version Last step: Connect to your PostgreSQL server Note: This only installs the psql client and not the PostgreSQL database. Install on Ubuntu and Debian using the apt package manager: sudo apt-get update From your command line, run the following commands: brew doctorįinally, symlink psql (and other libpq tools) into /usr/local/bin: brew link -force libpq Install on Ubuntu 16.04,18.04 and Debian 9,10 psql -version Install on MacOS using Homebrew In fact, if you’ve ever installed Postgres or TimescaleDB before, you likely already have psql installed. ![]() Before you startīefore you start, you should confirm that you don’t already have psql installed. Here we explain how to install psql on various platforms. Psql is the standard command line interface for interacting with a PostgreSQL or TimescaleDB instance. ![]()
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