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Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP |
Date: |
Mon, 16 Oct 2017 17:36:36 +0100 |
User-agent: |
Mutt/1.9.0 (2017-09-02) |
On Mon, Oct 16, 2017 at 06:22:50PM +0200, Igor Mammedov wrote:
> Series allows to configure NUMA mapping at runtime using QMP/HMP
> interface. For that to happen it introduces a new '-paused' CLI option
> which allows to pause QEMU before machine_init() is run and
> adds new set-numa-node HMP/QMP commands which in conjuction with
> info hotpluggable-cpus/query-hotpluggable-cpus allow to configure
> NUMA mapping for cpus.
What's the problem we're seeking solve here compared to what we currently
do for NUMA configuration ?
>
> HMP configuration session for CLI '-smp 1,maxcpus=2' would look like:
>
> (qemu) info hotpluggable-cpus
> Hotpluggable CPUs:
> type: "qemu64-x86_64-cpu"
> vcpus_count: "1"
> CPUInstance Properties:
> socket-id: "1"
> core-id: "0"
> thread-id: "0"
> type: "qemu64-x86_64-cpu"
> vcpus_count: "1"
> qom_path: "/machine/unattached/device[0]"
> CPUInstance Properties:
> socket-id: "0"
> core-id: "0"
> thread-id: "0"
> (qemu) set-numa-node node,nodeid=0
> (qemu) set-numa-node node,nodeid=1
> (qemu) set-numa-node cpu,socket-id=0,node-id=0
> (qemu) set-numa-node cpu,socket-id=1,node-id=1
> (qemu) info hotpluggable-cpus
> Hotpluggable CPUs:
> type: "qemu64-x86_64-cpu"
> vcpus_count: "1"
> CPUInstance Properties:
> node-id: "1"
> socket-id: "1"
> core-id: "0"
> thread-id: "0"
> type: "qemu64-x86_64-cpu"
> vcpus_count: "1"
> CPUInstance Properties:
> node-id: "0"
> socket-id: "0"
> core-id: "0"
> thread-id: "0"
> (qemu) cont
>
> git tree for testing:
> https://github.com/imammedo/qemu qmp_preconfig_rfc
>
>
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
> CC: address@hidden
>
> Igor Mammedov (6):
> numa: postpone options post-processing till machine_run_board_init()
> numa: split out NumaOptions parsing into parse_NumaOptions()
> possible_cpus: add CPUArchId::type field
> CLI: add -paused option
> HMP: add set-numa-node command
> QMP: add set-numa-node command
>
> hmp.h | 1 +
> include/hw/boards.h | 2 ++
> include/sysemu/numa.h | 2 ++
> include/sysemu/sysemu.h | 1 +
> hmp-commands.hx | 13 ++++++++
> hmp.c | 23 ++++++++++++++
> hw/arm/virt.c | 3 +-
> hw/core/machine.c | 18 ++++++-----
> hw/i386/pc.c | 4 ++-
> hw/ppc/spapr.c | 13 +++++---
> hw/s390x/s390-virtio-ccw.c | 1 +
> numa.c | 79
> ++++++++++++++++++++++++++++++++++------------
> qapi-schema.json | 13 ++++++++
> qemu-options.hx | 15 +++++++++
> qmp.c | 5 +++
> vl.c | 54 ++++++++++++++++++++++++++++++-
> 16 files changed, 210 insertions(+), 37 deletions(-)
>
> --
> 2.7.4
>
>
Regards,
Daniel
--
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- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, (continued)
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Laszlo Ersek, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Laszlo Ersek, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Igor Mammedov, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 4/6] CLI: add -paused option, Igor Mammedov, 2017/10/17
[Qemu-devel] [RFC 5/6] HMP: add set-numa-node command, Igor Mammedov, 2017/10/16
[Qemu-devel] [RFC 6/6] QMP: add set-numa-node command, Igor Mammedov, 2017/10/16
Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP,
Daniel P. Berrange <=
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Eduardo Habkost, 2017/10/16
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Igor Mammedov, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Laszlo Ersek, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Igor Mammedov, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Daniel P. Berrange, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Igor Mammedov, 2017/10/17
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Eduardo Habkost, 2017/10/18
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Igor Mammedov, 2017/10/18
- Re: [Qemu-devel] [RFC 0/6] enable numa configuration before machine_init() from HMP/QMP, Daniel P. Berrange, 2017/10/18