Organize in to an installable packagev20180714

1 files changed, 37 insertions, 0 deletions

diff --git a/qemu.in b/qemu.in
new file mode 100755
index 0000000..566cacf
--- /dev/null
+++ b/qemu.in
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+shopt -s lastpipe
+set -euE -o pipefail
+
+declare -A vcpu2cpulist
+numactl=()
+source "@pkgconfdir@/$1"
+args+=(
+	-name "$1",debug-threads=on
+	-pidfile "@runstatedir@/qemu-$1/pid"
+	-vnc     unix:"@runstatedir@/qemu-$1/vnc.sock"
+	-monitor unix:"@runstatedir@/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:"@runstatedir@/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