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e8e4f43d52
Using hugepages with VFIO and virtiofs can improve the performance of the test_vfio test. Signed-off-by: Rob Bradford <robert.bradford@intel.com>
70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
#cloud-config
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users:
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- name: cloud
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passwd: $6$7125787751a8d18a$sHwGySomUA1PawiNFWVCKYQN.Ec.Wzz0JtPPL1MvzFrkwmop2dq7.4CYf03A5oemPQ4pOFCCrtCelvFBEle/K.
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sudo:
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- ALL=(ALL) NOPASSWD:ALL
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write_files:
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-
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path: /etc/systemd/network/00-static-l1.network
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permissions: 0644
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content: |
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[Match]
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MACAddress=12:34:56:78:90:ab
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[Network]
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Address=192.168.2.2/24
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Gateway=192.168.2.1
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-
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path: /etc/systemd/network/00-static-l2-1.network
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permissions: 0644
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content: |
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[Match]
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MACAddress=de:ad:be:ef:12:34
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[Network]
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Address=192.168.2.3/24
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Gateway=192.168.2.1
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-
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path: /etc/systemd/network/00-static-l2-2.network
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permissions: 0644
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content: |
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[Match]
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MACAddress=de:ad:be:ef:34:56
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[Network]
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Address=192.168.2.4/24
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Gateway=192.168.2.1
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-
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path: /etc/systemd/system/vfio.service
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permissions: 0644
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content: |
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[Unit]
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Description=VFIO test systemd service
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[Service]
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Type=simple
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ExecStart=/bin/bash /usr/bin/cloud-hypervisor-vfio.sh
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[Install]
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WantedBy=multi-user.target
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-
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path: /usr/bin/cloud-hypervisor-vfio.sh
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permissions: 0755
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content: |
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#!/bin/bash
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mount -t virtiofs -o dax myfs /mnt
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bash -c "echo 0000:00:05.0 > /sys/bus/pci/devices/0000\:00\:05.0/driver/unbind"
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bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
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bash -c "echo 0000:00:06.0 > /sys/bus/pci/devices/0000\:00\:06.0/driver/unbind"
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bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
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# 512M ram requires 256 pages
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echo 256 | sudo tee /proc/sys/vm/nr_hugepages
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sudo chmod a+rwX /dev/hugepages
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/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd root=/dev/vda2 VFIOTAG" --disk path=/mnt/clear-31310-cloudguest.img path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,file=/dev/hugepages --device path=/sys/bus/pci/devices/0000:00:05.0/ path=/sys/bus/pci/devices/0000:00:06.0/
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