e2e: enable creating VMs up to 4096 CPUs and CPU hot-plugging/removing from test scripts - #587
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cpus-present enables creating virtual machines with different numbers of possible and enabled CPUs. CPUs that are possible but not enabled can be hot-plugged when the virtual machine is running. q35 machine, irq split and x2apic are required for hot-plugging CPUs with id >= 256. In case of "separated_output_vars", they are now printed in place of former "CPU:" parameter. This moves Qemu "-cpu" parameter management to topology2qemuopts while it used to be hardcoded "-cpu host" in Vagrantfile.in. Finally, new "SMP:" parameter printing is added for "-smp" parameters. Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
Signed-off-by: Antti Kervinen <antti.kervinen@intel.com>
klihub
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Dec 19, 2025
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