mirror of https://github.com/xqemu/xqemu.git
add documentation for multi-core features
extend QEMU's internal help and man page to cover the recently added multi-core feature. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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@ -39,15 +39,23 @@ Select CPU model (-cpu ? for list and additional feature selection)
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ETEXI
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ETEXI
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DEF("smp", HAS_ARG, QEMU_OPTION_smp,
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DEF("smp", HAS_ARG, QEMU_OPTION_smp,
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"-smp n[,maxcpus=cpus]\n"
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"-smp n[,maxcpus=cpus][,cores=cores][,threads=threads][,sockets=sockets]\n"
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" set the number of CPUs to 'n' [default=1]\n"
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" set the number of CPUs to 'n' [default=1]\n"
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" maxcpus= maximum number of total cpus, including\n"
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" maxcpus= maximum number of total cpus, including\n"
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" offline CPUs for hotplug etc.\n")
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" offline CPUs for hotplug etc.\n"
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" cores= number of CPU cores on one socket\n"
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" threads= number of threads on one CPU core\n"
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" sockets= number of discrete sockets in the system\n")
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STEXI
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STEXI
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@item -smp @var{n}
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@item -smp @var{n}[,cores=@var{cores}][,threads=@var{threads}][,sockets=@var{sockets}][,maxcpus=@var{maxcpus}]
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Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
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Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
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CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
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CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
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to 4.
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to 4.
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For the PC target, the number of @var{cores} per socket, the number
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of @var{threads} per cores and the total number of @var{sockets} can be
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specified. Missing values will be computed. If any on the three values is
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given, the total number of CPUs @var{n} can be omitted. @var{maxcpus}
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specifies the maximum number of hotpluggable CPUs.
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ETEXI
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ETEXI
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DEF("numa", HAS_ARG, QEMU_OPTION_numa,
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DEF("numa", HAS_ARG, QEMU_OPTION_numa,
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