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#!/usr/bin/env bash
shopt -s lastpipe
set -euE -o pipefail
declare -A vcpu2cpulist
numactl=()
source "/etc/conf.d/qemu.d/$1"
args+=(
-name "$1",debug-threads=on
-pidfile "/run/qemu-$1/pid"
-vnc unix:"/run/qemu-$1/vnc.sock"
-monitor unix:"/run/qemu-$1/monitor.sock",server,nowait
-serial file:"/dev/stdout"
-daemonize
)
{
numactl "${numactl[@]}" -- qemu-system-"${system}" "${args[@]}"
if [[ ${vcpu2cpulist+${#vcpu2cpulist[@]}} -gt 0 ]]; then
declare -A vcpu2tid
while read -r line; do
if [[ $line != ?' CPU #'*:*thread_id=* ]]; then
continue
fi
vcpu=${line#?' CPU #'}; vcpu=${vcpu%%:*}
tid=${line#thread_id=}; tid=${tid%% *}
vcpu2tid[$vcpu]=$tid
done < <(socat STDIO UNIX-CONNECT:"/run/qemu-$1/monitor.sock" <<<'info cpus')
for vcpu in "${!vcpu_pins[@]}"; do
taskset --cpu-list --pid -- "${vcpu2cpulist[@]}" "${vcpu2tid[$vcpu]}"
done
fi
systemd-notify --ready
} | exec cat
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