From patchwork Mon Oct 7 08:31:33 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wanlong Gao X-Patchwork-Id: 281001 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 162262C00A3 for ; Mon, 7 Oct 2013 20:01:17 +1100 (EST) Received: from localhost ([::1]:58120 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VT6gk-0004a6-Kz for incoming@patchwork.ozlabs.org; Mon, 07 Oct 2013 05:01:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35610) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VT6ft-0004Xh-Kw for qemu-devel@nongnu.org; Mon, 07 Oct 2013 05:00:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VT6fo-000789-IB for qemu-devel@nongnu.org; Mon, 07 Oct 2013 05:00:21 -0400 Received: from [222.73.24.84] (port=26904 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VT6fn-00073j-Ko for qemu-devel@nongnu.org; Mon, 07 Oct 2013 05:00:16 -0400 X-IronPort-AV: E=Sophos;i="4.90,1048,1371052800"; d="scan'208";a="8677734" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 07 Oct 2013 16:56:49 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id r978XtXF019449; Mon, 7 Oct 2013 16:34:05 +0800 Received: from G08FNSTD121251.fnst.cn.fujitsu.com ([10.167.226.75]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013100716315268-2035794 ; Mon, 7 Oct 2013 16:31:52 +0800 From: Wanlong Gao To: qemu-devel@nongnu.org Date: Mon, 7 Oct 2013 16:31:33 +0800 Message-Id: <1381134696-28381-9-git-send-email-gaowanlong@cn.fujitsu.com> X-Mailer: git-send-email 1.8.4.474.g128a96c In-Reply-To: <1381134696-28381-1-git-send-email-gaowanlong@cn.fujitsu.com> References: <1381134696-28381-1-git-send-email-gaowanlong@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/10/07 16:31:52, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/10/07 16:32:03, Serialize complete at 2013/10/07 16:32:03 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 222.73.24.84 Cc: aliguori@us.ibm.com, ehabkost@redhat.com, lersek@redhat.com, mtosatti@redhat.com, peter.huangpeng@huawei.com, lcapitulino@redhat.com, drjones@redhat.com, bsd@redhat.com, hutao@cn.fujitsu.com, y-goto@jp.fujitsu.com, pbonzini@redhat.com, afaerber@suse.de, gaowanlong@cn.fujitsu.com Subject: [Qemu-devel] [PATCH V14 08/11] NUMA: parse guest numa nodes memory policy X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The memory policy setting format is like: policy={default|membind|interleave|preferred}[,relative=true],host-nodes=N-N And we are adding this setting as a suboption of "-numa mem,", the memory policy then can be set like following: -numa node,nodeid=0,cpus=0 \ -numa node,nodeid=1,cpus=1 \ -numa mem,nodeid=0,size=1G,policy=membind,host-nodes=0-1 \ -numa mem,nodeid=1,size=1G,policy=interleave,relative=true,host-nodes=1 Signed-off-by: Wanlong Gao --- include/sysemu/sysemu.h | 3 +++ numa.c | 18 ++++++++++++++++++ qapi-schema.json | 33 +++++++++++++++++++++++++++++++-- vl.c | 3 +++ 4 files changed, 55 insertions(+), 2 deletions(-) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 995cf3b..9707195 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -139,6 +139,9 @@ extern int nb_numa_mem_nodes; typedef struct node_info { uint64_t node_mem; DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS); + DECLARE_BITMAP(host_mem, MAX_NODES); + NumaNodePolicy policy; + bool relative; } NodeInfo; extern NodeInfo numa_info[MAX_NODES]; void set_numa_nodes(void); diff --git a/numa.c b/numa.c index c676c5e..da4dbbd 100644 --- a/numa.c +++ b/numa.c @@ -78,6 +78,7 @@ static int numa_mem_parse(NumaMemOptions *opts) { uint16_t nodenr; uint64_t mem_size; + uint16List *nodes; if (opts->has_nodeid) { nodenr = opts->nodeid; @@ -96,6 +97,23 @@ static int numa_mem_parse(NumaMemOptions *opts) numa_info[nodenr].node_mem = mem_size; } + if (opts->has_policy) { + numa_info[nodenr].policy = opts->policy; + } + + if (opts->has_relative) { + numa_info[nodenr].relative = opts->relative; + } + + for (nodes = opts->host_nodes; nodes; nodes = nodes->next) { + if (nodes->value > MAX_NODES) { + fprintf(stderr, "qemu: node number %" PRIu16 " is bigger than %d\n", + nodes->value, MAX_NODES); + continue; + } + bitmap_set(numa_info[nodenr].host_mem, nodes->value, 1); + } + return 0; } diff --git a/qapi-schema.json b/qapi-schema.json index d291f28..3f5a97a 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3935,6 +3935,26 @@ '*mem': 'str' }} ## +# @NumaNodePolicy +# +# NUMA node policy types +# +# @default: restore default policy, remove any nondefault policy +# +# @preferred: set the preferred node for allocation +# +# @membind: a strict policy that restricts memory allocation to the +# nodes specified +# +# @interleave: the page allocations is interleaved across the set +# of nodes specified +# +# Since 1.7 +## +{ 'enum': 'NumaNodePolicy', + 'data': [ 'default', 'preferred', 'membind', 'interleave' ] } + +## # @NumaMemOptions # # Set memory information of guest NUMA node. (for OptsVisitor) @@ -3943,9 +3963,18 @@ # # @size: #optional memory size of this node # +# @policy: #optional memory policy of this node +# +# @relative: #optional if the nodes specified are relative +# +# @host-nodes: #optional host nodes for its memory policy +# # Since 1.7 ## { 'type': 'NumaMemOptions', 'data': { - '*nodeid': 'uint16', - '*size': 'size' }} + '*nodeid': 'uint16', + '*size': 'size', + '*policy': 'NumaNodePolicy', + '*relative': 'bool', + '*host-nodes': ['uint16'] }} diff --git a/vl.c b/vl.c index 626bf62..c69f5b8 100644 --- a/vl.c +++ b/vl.c @@ -2814,6 +2814,9 @@ int main(int argc, char **argv, char **envp) for (i = 0; i < MAX_NODES; i++) { numa_info[i].node_mem = 0; bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS); + bitmap_zero(numa_info[i].host_mem, MAX_NODES); + numa_info[i].policy = NUMA_NODE_POLICY_DEFAULT; + numa_info[i].relative = false; } nb_numa_nodes = 0;