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Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for pr
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping |
Date: |
Wed, 3 May 2017 13:35:43 -0300 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Wed, May 03, 2017 at 02:57:17PM +0200, Igor Mammedov wrote:
[...]
> diff --git a/numa.c b/numa.c
> index 40e9f44..61521f5 100644
> --- a/numa.c
> +++ b/numa.c
> @@ -227,6 +227,7 @@ static int parse_numa(void *opaque, QemuOpts *opts, Error
> **errp)
> NumaOptions *object = NULL;
> MachineState *ms = opaque;
> Error *err = NULL;
> + CpuInstanceProperties cpu;
>
> {
> Visitor *v = opts_visitor_new(opts);
> @@ -246,6 +247,30 @@ static int parse_numa(void *opaque, QemuOpts *opts,
> Error **errp)
> }
> nb_numa_nodes++;
> break;
> + case NUMA_OPTIONS_TYPE_CPU:
> + if (!object->u.cpu.has_node_id) {
> + error_setg(&err, "Missing mandatory node-id property");
> + goto end;
> + }
> + if (!numa_info[object->u.cpu.node_id].present) {
> + error_setg(&err, "Invalid node-id=%" PRId64 ", NUMA node must be
> "
> + "defined with -numa node,nodeid=ID before it's used with "
> + "-numa cpu,node-id=ID", object->u.cpu.node_id);
> + goto end;
> + }
> +
> + memset(&cpu, 0, sizeof(cpu));
> + cpu.has_node_id = object->u.cpu.has_node_id;
> + cpu.node_id = object->u.cpu.node_id;
> + cpu.has_socket_id = object->u.cpu.has_socket_id;
> + cpu.socket_id = object->u.cpu.socket_id;
> + cpu.has_core_id = object->u.cpu.has_core_id;
> + cpu.core_id = object->u.cpu.core_id;
> + cpu.has_thread_id = object->u.cpu.has_thread_id;
> + cpu.thread_id = object->u.cpu.thread_id;
We don't have a way to avoid copying each field individually?
Some visitor trick, maybe?
Eric, Markus, Michael, do you have any suggestions?
> +
> + machine_set_cpu_numa_node(ms, &cpu, &err);
> + break;
> default:
> abort();
> }
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 76d137d..5baf3a4 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -5680,10 +5680,12 @@
> ##
> # @NumaOptionsType:
> #
> +# @cpu: property based CPU(s) to node mapping (Since: 2.10)
> +#
> # Since: 2.1
> ##
> { 'enum': 'NumaOptionsType',
> - 'data': [ 'node' ] }
> + 'data': [ 'node', 'cpu' ] }
>
> ##
> # @NumaOptions:
> @@ -5696,7 +5698,8 @@
> 'base': { 'type': 'NumaOptionsType' },
> 'discriminator': 'type',
> 'data': {
> - 'node': 'NumaNodeOptions' }}
> + 'node': 'NumaNodeOptions',
> + 'cpu': 'NumaCpuOptions' }}
>
> ##
> # @NumaNodeOptions:
> @@ -5725,6 +5728,20 @@
> '*memdev': 'str' }}
>
> ##
> +# @NumaCpuOptions:
> +#
> +# Option "-numa cpu" overrides default cpu to node mapping.
> +# It accepts the same set of cpu properties as returned by
> +# query-hotpluggable-cpus[].props, where node-id could be used to
> +# override default node mapping.
> +#
> +# Since: 2.10
> +##
> +{ 'struct': 'NumaCpuOptions',
> + 'base': 'CpuInstanceProperties',
> + 'data' : {} }
> +
> +##
> # @HostMemPolicy:
> #
> # Host memory policy types
[...]
--
Eduardo
- [Qemu-ppc] [PATCH v2 20/24] machine: call machine init from wrapper, (continued)
- [Qemu-ppc] [PATCH v2 20/24] machine: call machine init from wrapper, Igor Mammedov, 2017/05/03
- [Qemu-ppc] [PATCH v2 19/24] numa: remove no longer need numa_post_machine_init(), Igor Mammedov, 2017/05/03
- [Qemu-ppc] [PATCH v2 21/24] numa: use possible_cpus for not mapped CPUs check, Igor Mammedov, 2017/05/03
- [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, Igor Mammedov, 2017/05/03
- Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping,
Eduardo Habkost <=
- Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, Eric Blake, 2017/05/03
- Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, Eduardo Habkost, 2017/05/03
- Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, Eduardo Habkost, 2017/05/03
- Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, Igor Mammedov, 2017/05/04
Re: [Qemu-ppc] [PATCH v2 23/24] numa: add '-numa cpu, ...' option for property based node mapping, David Gibson, 2017/05/08
[Qemu-ppc] [PATCH v2 22/24] numa: remove node_cpu bitmaps as they are no longer used, Igor Mammedov, 2017/05/03