diff options
| author | Andre Przywara <andre.przywara@amd.com> | 2009-08-28 10:49:57 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-09-04 09:37:26 -0500 |
| commit | 58a04db1875679938c07bbec90032d1dd4fb0a48 (patch) | |
| tree | 51ea098b226ac3509ae81e66c1fc36c51bc9ff42 /qemu-options.hx | |
| parent | d1f171bd3a53ef2c6710b9905e270ad958e36932 (diff) | |
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>
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 0c2b31056..ce38a3b62 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -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, |