Public bug reported:
Running qemu-system-aarch64 leads to a high CPU consumption on windows
10.
Tested with qemu: 4.0.0-rc4 & 3.1.0 & 2.11.0
Command: qemu_start_command = [
qemu-system-aarch64,
"-pidfile",
target_path + "/qemu" + str(instance) + ".pid",
"-machine",
"virt",
"-cpu",
"cortex-a57",
"-nographic",
"-smp",
"2",
"-m",
"2048",
"-kernel",
kernel_path,
"--append",
"console=ttyAMA0 root=/dev/vda2 rw ipx=" + qemu_instance_ip + "/64
net.ifnames=0 biosdevname=0",
"-drive",
"file=" + qemu_instance_img_path + ",if=none,id=blk",
"-device",
"virtio-blk-device,drive=blk",
"-netdev",
"socket,id=mynet0,udp=127.0.0.1:2000,localaddr=127.0.0.1:" +
qemu_instance_port,
"-device",
"virtio-net-device,netdev=mynet0",
"-serial",
"file:" + target_path + "/qemu" + str(instance) + ".log"
]
*The cpu consumption is ~70%.
*No acceleration used.
*This CPU consumption is obtained only by running the above command. No
workload on the guest OS.
** Affects: qemu
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/1826401
Title:
qemu-system-aarch64 has a high cpu usage on windows
Status in QEMU:
New
Bug description:
Running qemu-system-aarch64 leads to a high CPU consumption on windows
10.
Tested with qemu: 4.0.0-rc4 & 3.1.0 & 2.11.0
Command: qemu_start_command = [
qemu-system-aarch64,
"-pidfile",
target_path + "/qemu" + str(instance) + ".pid",
"-machine",
"virt",
"-cpu",
"cortex-a57",
"-nographic",
"-smp",
"2",
"-m",
"2048",
"-kernel",
kernel_path,
"--append",
"console=ttyAMA0 root=/dev/vda2 rw ipx=" + qemu_instance_ip + "/64
net.ifnames=0 biosdevname=0",
"-drive",
"file=" + qemu_instance_img_path + ",if=none,id=blk",
"-device",
"virtio-blk-device,drive=blk",
"-netdev",
"socket,id=mynet0,udp=127.0.0.1:2000,localaddr=127.0.0.1:" +
qemu_instance_port,
"-device",
"virtio-net-device,netdev=mynet0",
"-serial",
"file:" + target_path + "/qemu" + str(instance) + ".log"
]
*The cpu consumption is ~70%.
*No acceleration used.
*This CPU consumption is obtained only by running the above command. No
workload on the guest OS.
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