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: ebl...@redhat.com > CC: arm...@redhat.com > CC: ehabk...@redhat.com > CC: pkre...@redhat.com > CC: da...@gibson.dropbear.id.au > CC: peter.mayd...@linaro.org > CC: pbonz...@redhat.com > CC: coh...@redhat.com > > 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 -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
