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qemu: use 4 cores in qemu guests

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Each of the cores is mapped to a thread on the host, this
should speed up things inside qemu which can take advantage of that.

(From OE-Core rev: 56f98d12a79585a4d4c459160f39403e05b620a5)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alexander Kanavin
2021-05-07 22:16:07 +02:00
committed by Richard Purdie
parent 64ba8fc55b
commit 1584108bdc
2 changed files with 6 additions and 2 deletions
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meta/classes/qemuboot.bbclass
+4
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@@ -19,6 +19,9 @@
# QB_CPU_KVM: the similar to QB_CPU, but used when kvm, e.g., '-cpu kvm64',
# set it when support kvm.
#
# QB_SMP: amount of CPU cores inside qemu guest, each mapped to a thread on the host,
# e.g. "-smp 8".
#
# QB_KERNEL_CMDLINE_APPEND: options to append to kernel's -append
# option, e.g., "console=ttyS0 console=tty"
#
@@ -80,6 +83,7 @@
# See "runqemu help" for more info
QB_MEM ?= "-m 256"
QB_SMP ?= "-smp 4"
QB_SERIAL_OPT ?= "-serial mon:stdio -serial null"
QB_DEFAULT_KERNEL ?= "${KERNEL_IMAGETYPE}"
QB_DEFAULT_FSTYPE ?= "ext4"