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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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4
scripts/runqemu
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@@ -540,13 +540,13 @@ class BaseConfig(object):
def check_kvm(self):
"""Check kvm and kvm-host"""
if not (self.kvm_enabled or self.vhost_enabled):
self.qemu_opt_script += ' %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU'))
self.qemu_opt_script += ' %s %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU'), self.get('QB_SMP'))
return
if not self.get('QB_CPU_KVM'):
raise RunQemuError("QB_CPU_KVM is NULL, this board doesn't support kvm")
self.qemu_opt_script += ' %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU_KVM'))
self.qemu_opt_script += ' %s %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU_KVM'), self.get('QB_SMP'))
yocto_kvm_wiki = "https://wiki.yoctoproject.org/wiki/How_to_enable_KVM_for_Poky_qemu"
yocto_paravirt_kvm_wiki = "https://wiki.yoctoproject.org/wiki/Running_an_x86_Yocto_Linux_image_under_QEMU_KVM"
dev_kvm = '/dev/kvm'