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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22F84C43219 for ; Tue, 29 Mar 2022 16:59:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240011AbiC2RBb (ORCPT ); Tue, 29 Mar 2022 13:01:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231454AbiC2RB3 (ORCPT ); Tue, 29 Mar 2022 13:01:29 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 648062AE3D; Tue, 29 Mar 2022 09:59:46 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id n18so18171158plg.5; Tue, 29 Mar 2022 09:59:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=67yHXoFmcX0ZazheDKYQVpHoB656ZGpg7LX2oma8XGY=; b=l1oIEc6kFQcKGLgIxGfSwqNZBvaZGfVzYIpmLE5Rh6nGhFdWOqxOLcEiD5UGOeShLo a3iUDj7MTnw1ZVoumywlaRlOqrOguzQaaUg8sl/W8xYELNabR0FkepIhxq53qWfWRHqT ocM2HSkoX6c1ycU+gtCJdRWBI5LQV8B2NcIE2eGHLknFjpgkEJzAV6QEilvZPsFmftqT gEf10uCzq4cyr50t7r+MHukvbyXMswobdfj+UiEjLCGz8uU2kyzlTjXvCPVu1iLyYPLF hpLrTonQaPEFCwIiW4cB09XczJYAql+ov2htCytwylqN1iQbCWxBZsm43uimxjTneIJO mdzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=67yHXoFmcX0ZazheDKYQVpHoB656ZGpg7LX2oma8XGY=; b=qW7fwf0jpUOKgTZbodWyDeOBBNklE7Vn+zOU9PL6m9vBUnvd2aRfD93cZ+4h3DhHeL EiVX8R9xKtcUXU7TLkPRUAlSEfTHdDwbHiUNxv2WQNVtNWCTVNqEvwYRg7gLLkfQMEjW EDKc3SAZKrtImE/ry4QqiKnBUjnZ7pFkOgL5Sl+h80Oneasa+KTszwONj9dLFu7mYGsp KGNBis3LDMwABTxOIqsZiqcx50wgEjfTF0Kw05L6TuDDEqMv1MTqLaoMxusaaVL2UvQp 2SRHxCe1B50pYE/fropfW3V67UdtBxYnjD35aVYUV+31oeBZUw2ulPx+SvdQoGUjAtCK ypZg== X-Gm-Message-State: AOAM530UEc7FKTRIHu6CaquZBFCbNWQwLX9eoaCUSunlDOKYR7lEEpN1 r0FIL4h6SjO/AR8SShjSnaY= X-Google-Smtp-Source: ABdhPJwzy42BlJVB0bBm4Ge7A7WVOaCsDi/5yGBrI0VAwZfeGFTf8i7B6I5tAtAaOfrhDGFcEZ17Ug== X-Received: by 2002:a17:902:f68f:b0:154:759c:c78 with SMTP id l15-20020a170902f68f00b00154759c0c78mr30853829plg.49.1648573185719; Tue, 29 Mar 2022 09:59:45 -0700 (PDT) Received: from localhost ([2620:10d:c090:400::5:7749]) by smtp.gmail.com with ESMTPSA id qe15-20020a17090b4f8f00b001c6f4991cd4sm3571258pjb.45.2022.03.29.09.59.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 09:59:45 -0700 (PDT) Sender: Tejun Heo Date: Tue, 29 Mar 2022 06:59:43 -1000 From: Tejun Heo To: "T.J. Mercier" Cc: David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jonathan Corbet , Greg Kroah-Hartman , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Hridya Valsaraju , Suren Baghdasaryan , Sumit Semwal , Christian =?iso-8859-1?Q?K=F6nig?= , Benjamin Gaignard , Liam Mark , Laura Abbott , Brian Starkey , John Stultz , Zefan Li , Johannes Weiner , Shuah Khan , kaleshsingh@google.com, Kenny.Ho@amd.com, mkoutny@suse.com, skhan@linuxfoundation.org, dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [RFC v4 2/8] cgroup: gpu: Add a cgroup controller for allocator attribution of GPU memory Message-ID: References: <20220328035951.1817417-1-tjmercier@google.com> <20220328035951.1817417-3-tjmercier@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220328035951.1817417-3-tjmercier@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Mon, Mar 28, 2022 at 03:59:41AM +0000, T.J. Mercier wrote: > The API/UAPI can be extended to set per-device/total allocation limits > in the future. This total thing kinda bothers me. Can you please provide some concrete examples of how this and per-device limits would be used? Thanks. -- tejun 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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A1E2C433EF for ; Tue, 29 Mar 2022 16:59:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5E36710E4EC; Tue, 29 Mar 2022 16:59:47 +0000 (UTC) Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4C19410E4EC for ; Tue, 29 Mar 2022 16:59:46 +0000 (UTC) Received: by mail-pj1-x1033.google.com with SMTP id gb19so18092998pjb.1 for ; Tue, 29 Mar 2022 09:59:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=67yHXoFmcX0ZazheDKYQVpHoB656ZGpg7LX2oma8XGY=; b=l1oIEc6kFQcKGLgIxGfSwqNZBvaZGfVzYIpmLE5Rh6nGhFdWOqxOLcEiD5UGOeShLo a3iUDj7MTnw1ZVoumywlaRlOqrOguzQaaUg8sl/W8xYELNabR0FkepIhxq53qWfWRHqT ocM2HSkoX6c1ycU+gtCJdRWBI5LQV8B2NcIE2eGHLknFjpgkEJzAV6QEilvZPsFmftqT gEf10uCzq4cyr50t7r+MHukvbyXMswobdfj+UiEjLCGz8uU2kyzlTjXvCPVu1iLyYPLF hpLrTonQaPEFCwIiW4cB09XczJYAql+ov2htCytwylqN1iQbCWxBZsm43uimxjTneIJO mdzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=67yHXoFmcX0ZazheDKYQVpHoB656ZGpg7LX2oma8XGY=; b=K90JbSGZofhkax1L9pc7fpNhH6I9FX8ctLbopTOkb14Ezn2s6Km0Sa6NtiCF6rOGRh VNYiquHcgoi9GGgzrl76TOCEJMYzN4BCYjBsXpEWwC7zpzEaAirE5ylgL0UGj/QgYkon d2EMecjHF9XtYLbBn186bSp7eETousJxiOClCoVP3NggnBs/RJ9uiaPVzcpLQxsbABLP nbb+gBBulHsv2k3T5Nh5eBDTpo8LaDmO2IWhW1xjuwUBbXM5BhZfwPFBwVctEOtlHRnh IEk/DEP1QvHscS23HGhuzuDnHsokdERswjoPWFYe1IT+B/2FdsHxOvloYpYOnTOzh9DM b6XQ== X-Gm-Message-State: AOAM531mF/hYYybuaaWU1u0cvIAB/GVQco+us+vuBmtg0Lz9OKutEzEe BTn/aNjdBygd+JhdHaNKTjo= X-Google-Smtp-Source: ABdhPJwzy42BlJVB0bBm4Ge7A7WVOaCsDi/5yGBrI0VAwZfeGFTf8i7B6I5tAtAaOfrhDGFcEZ17Ug== X-Received: by 2002:a17:902:f68f:b0:154:759c:c78 with SMTP id l15-20020a170902f68f00b00154759c0c78mr30853829plg.49.1648573185719; Tue, 29 Mar 2022 09:59:45 -0700 (PDT) Received: from localhost ([2620:10d:c090:400::5:7749]) by smtp.gmail.com with ESMTPSA id qe15-20020a17090b4f8f00b001c6f4991cd4sm3571258pjb.45.2022.03.29.09.59.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 09:59:45 -0700 (PDT) Date: Tue, 29 Mar 2022 06:59:43 -1000 From: Tejun Heo To: "T.J. Mercier" Subject: Re: [RFC v4 2/8] cgroup: gpu: Add a cgroup controller for allocator attribution of GPU memory Message-ID: References: <20220328035951.1817417-1-tjmercier@google.com> <20220328035951.1817417-3-tjmercier@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220328035951.1817417-3-tjmercier@google.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zefan Li , linux-doc@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, Benjamin Gaignard , kaleshsingh@google.com, Joel Fernandes , Shuah Khan , Sumit Semwal , Kenny.Ho@amd.com, Jonathan Corbet , Martijn Coenen , Laura Abbott , linux-media@vger.kernel.org, linux-kselftest@vger.kernel.org, Todd Kjos , Thomas Zimmermann , linaro-mm-sig@lists.linaro.org, skhan@linuxfoundation.org, cgroups@vger.kernel.org, Suren Baghdasaryan , Christian Brauner , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Liam Mark , Christian =?iso-8859-1?Q?K=F6nig?= , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , mkoutny@suse.com, Johannes Weiner , Hridya Valsaraju Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hello, On Mon, Mar 28, 2022 at 03:59:41AM +0000, T.J. Mercier wrote: > The API/UAPI can be extended to set per-device/total allocation limits > in the future. This total thing kinda bothers me. Can you please provide some concrete examples of how this and per-device limits would be used? Thanks. -- tejun From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [RFC v4 2/8] cgroup: gpu: Add a cgroup controller for allocator attribution of GPU memory Date: Tue, 29 Mar 2022 06:59:43 -1000 Message-ID: References: <20220328035951.1817417-1-tjmercier@google.com> <20220328035951.1817417-3-tjmercier@google.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=67yHXoFmcX0ZazheDKYQVpHoB656ZGpg7LX2oma8XGY=; b=l1oIEc6kFQcKGLgIxGfSwqNZBvaZGfVzYIpmLE5Rh6nGhFdWOqxOLcEiD5UGOeShLo a3iUDj7MTnw1ZVoumywlaRlOqrOguzQaaUg8sl/W8xYELNabR0FkepIhxq53qWfWRHqT ocM2HSkoX6c1ycU+gtCJdRWBI5LQV8B2NcIE2eGHLknFjpgkEJzAV6QEilvZPsFmftqT gEf10uCzq4cyr50t7r+MHukvbyXMswobdfj+UiEjLCGz8uU2kyzlTjXvCPVu1iLyYPLF hpLrTonQaPEFCwIiW4cB09XczJYAql+ov2htCytwylqN1iQbCWxBZsm43uimxjTneIJO mdzg== Sender: Tejun Heo Content-Disposition: inline In-Reply-To: <20220328035951.1817417-3-tjmercier@google.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "T.J. Mercier" Cc: David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jonathan Corbet , Greg Kroah-Hartman , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Hridya Valsaraju , Suren Baghdasaryan , Sumit Semwal , Christian =?iso-8859-1?Q?K=F6nig?= , Benjamin Gaignard , Liam Mark , Laura Hello, On Mon, Mar 28, 2022 at 03:59:41AM +0000, T.J. Mercier wrote: > The API/UAPI can be extended to set per-device/total allocation limits > in the future. This total thing kinda bothers me. Can you please provide some concrete examples of how this and per-device limits would be used? Thanks. -- tejun