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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>
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 ETEXI
DEF("smp", HAS_ARG, QEMU_OPTION_smp, 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" " set the number of CPUs to 'n' [default=1]\n"
" maxcpus= maximum number of total cpus, including\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 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 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 CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
to 4. 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 ETEXI
DEF("numa", HAS_ARG, QEMU_OPTION_numa, DEF("numa", HAS_ARG, QEMU_OPTION_numa,