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feat: CPU pinning for Rockchip Orange Pi 5 (#98)

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Kroese 2024-06-02 19:38:14 +02:00 committed by GitHub
parent d530bc26d4
commit b862a76ba1
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3 changed files with 12 additions and 2 deletions
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2
readme.md
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@ -108,7 +108,7 @@ kubectl apply -f kubernetes.yml
* ### How do I boot without SCSI drivers?
By default, the machine makes use of `virtio-scsi` drives for performance reasons, and even though most Linux kernels bundle the necessary driver for this device, that may not always be the case for some other operating systems.
By default, the machine makes use of `virtio-scsi` drives for performance reasons, and even though most Linux kernels bundle the necessary driver for this device, that may not always be the case for other operating systems.
If your machine fails to detect the hard drive, you can modify your compose file to use `virtio-blk` instead:

6
src/entry.sh
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@ -19,4 +19,8 @@ trap - ERR
info "Booting image${BOOT_DESC}..."
exec qemu-system-aarch64 ${ARGS:+ $ARGS}
if [ -z "$CPU_PIN" ]; then
exec qemu-system-aarch64 ${ARGS:+ $ARGS}
else
taskset -c "$CPU_TASK_SET" exec qemu-system-aarch64 ${ARGS:+ $ARGS}
fi

6
src/proc.sh
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@ -4,10 +4,16 @@ set -Eeuo pipefail
# Docker environment variables
: "${KVM:="Y"}"
: "${CPU_PIN:=""}"
: "${CPU_FLAGS:=""}"
: "${CPU_MODEL:=""}"
: "${DEF_MODEL:="neoverse-n1"}"
if [[ "$CPU" == "Cortex A55" ]] || [[ "${SYS,,}" == *"-rk35xx" ]]; then
# Pin to big cores on Rockchip Orange Pi 5
CPU_PIN="4,5,6,7"
fi
if [[ "${ARCH,,}" != "arm64" ]]; then
KVM="N"
warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for ARM64 instructions, this will cause a major loss of performance."