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add documentation for multi-core features

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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>
This commit is contained in:
Andre Przywara 2009-08-28 10:49:57 +02:00 committed by Anthony Liguori
parent d1f171bd3a
commit 58a04db187
1 changed files with 11 additions and 3 deletions
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14
qemu-options.hx
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@ -39,15 +39,23 @@ Select CPU model (-cpu ? for list and additional feature selection)
ETEXI
DEF("smp", HAS_ARG, QEMU_OPTION_smp,
"-smp n[,maxcpus=cpus]\n"
"-smp n[,maxcpus=cpus][,cores=cores][,threads=threads][,sockets=sockets]\n"
" set the number of CPUs to 'n' [default=1]\n"
" maxcpus= maximum number of total cpus, including\n"
" offline CPUs for hotplug etc.\n")
" offline CPUs for hotplug etc.\n"
" cores= number of CPU cores on one socket\n"
" threads= number of threads on one CPU core\n"
" sockets= number of discrete sockets in the system\n")
STEXI
@item -smp @var{n}
@item -smp @var{n}[,cores=@var{cores}][,threads=@var{threads}][,sockets=@var{sockets}][,maxcpus=@var{maxcpus}]
Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
to 4.
For the PC target, the number of @var{cores} per socket, the number
of @var{threads} per cores and the total number of @var{sockets} can be
specified. Missing values will be computed. If any on the three values is
given, the total number of CPUs @var{n} can be omitted. @var{maxcpus}
specifies the maximum number of hotpluggable CPUs.
ETEXI
DEF("numa", HAS_ARG, QEMU_OPTION_numa,