From patchwork Mon Nov 13 15:41:12 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Dunlap X-Patchwork-Id: 10056303 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9F49560215 for ; Mon, 13 Nov 2017 15:44:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 927962941E for ; Mon, 13 Nov 2017 15:44:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8742629428; Mon, 13 Nov 2017 15:44:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 25F7929450 for ; Mon, 13 Nov 2017 15:44:11 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eEGrh-0007sK-Ra; Mon, 13 Nov 2017 15:41:37 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eEGrg-0007s2-Lt for xen-devel@lists.xenproject.org; Mon, 13 Nov 2017 15:41:36 +0000 Received: from [85.158.137.68] by server-14.bemta-3.messagelabs.com id 98/F1-00431-F2DB90A5; Mon, 13 Nov 2017 15:41:35 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprKIsWRWlGSWpSXmKPExsXitHSDva7+Xs4 og+OHhS2+b5nM5MDocfjDFZYAxijWzLyk/IoE1ox3z/0KZgtUrDx/jbGB8RpvFyMnh4SAv8Tq vW9ZQWw2AT2Jece/snQxcnCICKhI3N5r0MXIxcEssI1JYsebqSwgNcIClhITp15hA6lhEVCVm HNfFCTMK2Ar8e3MKnaIkfISi7/vZAOxOQXsJC5+WckEYgsB1XxYN5MdwlaVWPzgKDtEr6DEyZ lPwMYzC0hIHHzxgnkCI+8sJKlZSFILGJlWMWoUpxaVpRbpGhvoJRVlpmeU5CZm5ugaGhjr5aY WFyemp+YkJhXrJefnbmIEBk49AwPjDsbOE36HGCU5mJREeVU+s0cJ8SXlp1RmJBZnxBeV5qQW H2KU4eBQkuB128MZJSRYlJqeWpGWmQMMYZi0BAePkgjvnt1Aad7igsTc4sx0iNQpRmOOZzNfN zBzTLva2sQsxJKXn5cqJc6rBDJJAKQ0ozQPbhAsti4xykoJ8zIyMDAI8RSkFuVmlqDKv2IU52 BUEuaVA5nCk5lXArfvFdApTECnSIF8wVtckoiQkmpgTH5SOuMX/36zG9YZXTkeKgd9lj+WcLi gn6c49X7JpttuErzO3wr+2F+slQ9jq3AXN1v/pGDa07VuC/Y8X21xzDBhN9vi2/Zr1O/0Hfx8 +dyNrnCtvpCzO2uUGhq/+fM3O/Q0XbH7rdmVfvr19PBpr/QLNJa6e2zvme4dHXW7b+ashz156 w/2KrEUZyQaajEXFScCAFYGgRSoAgAA X-Env-Sender: prvs=483948db6=George.Dunlap@citrix.com X-Msg-Ref: server-9.tower-31.messagelabs.com!1510587693!59267233!1 X-Originating-IP: [66.165.176.63] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni42MyA9PiAzMDYwNDg=\n, received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27379 invoked from network); 13 Nov 2017 15:41:35 -0000 Received: from smtp02.citrix.com (HELO SMTP02.CITRIX.COM) (66.165.176.63) by server-9.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Nov 2017 15:41:35 -0000 X-IronPort-AV: E=Sophos;i="5.44,389,1505779200"; d="scan'208";a="459179687" From: George Dunlap To: Date: Mon, 13 Nov 2017 15:41:12 +0000 Message-ID: <20171113154126.13038-2-george.dunlap@citrix.com> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20171113154126.13038-1-george.dunlap@citrix.com> References: <20171113154126.13038-1-george.dunlap@citrix.com> MIME-Version: 1.0 Cc: Nathan Studer , Wei Liu , Andrew Cooper , Dario Faggioli , Tim Deegan , George Dunlap , Jan Beulich , Ian Jackson Subject: [Xen-devel] [PATCH 02/16] SUPPORT.md: Add core functionality X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Core memory management and scheduling. Signed-off-by: George Dunlap Acked-by: Jan Beulich --- CC: Ian Jackson CC: Wei Liu CC: Andrew Cooper CC: Jan Beulich CC: Tim Deegan CC: Dario Faggioli CC: Nathan Studer --- SUPPORT.md | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/SUPPORT.md b/SUPPORT.md index d7f2ae45e4..064a2f43e9 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -16,6 +16,65 @@ for the definitions of the support status levels etc. # Feature Support +## Memory Management + +### Memory Ballooning + + Status: Supported + +## Resource Management + +### CPU Pools + + Status: Supported + +Groups physical cpus into distinct groups called "cpupools", +with each pool having the capability +of using different schedulers and scheduling properties. + +### Credit Scheduler + + Status: Supported + +A weighted proportional fair share virtual CPU scheduler. +This is the default scheduler. + +### Credit2 Scheduler + + Status: Supported + +A general purpose scheduler for Xen, +designed with particular focus on fairness, responsiveness, and scalability + +### RTDS based Scheduler + + Status: Experimental + +A soft real-time CPU scheduler +built to provide guaranteed CPU capacity to guest VMs on SMP hosts + +### ARINC653 Scheduler + + Status: Supported + +A periodically repeating fixed timeslice scheduler. +Currently only single-vcpu domains are supported. + +### Null Scheduler + + Status: Experimental + +A very simple, very static scheduling policy +that always schedules the same vCPU(s) on the same pCPU(s). +It is designed for maximum determinism and minimum overhead +on embedded platforms. + +### NUMA scheduler affinity + + Status, x86: Supported + +Enables NUMA aware scheduling in Xen + # Format and definitions This file contains prose, and machine-readable fragments.