+#!/bin/bash
+
##############################################################################
## Copyright (c) 2015 Intel Corp.
##
## http://www.apache.org/licenses/LICENSE-2.0
###############################################################################
-# Isolated cpus for nfv, must be delimited with ','
-host_isolcpus=3,4
-
# Number of huge pages to create and on which NUMA node
-numa_node=0
+numa_node=1
huge_pages=2
# QEMU executable path and number of cpus for guest
qemu=/usr/libexec/qemu-kvm
guest_cpus=2
+
+# Isolated cpus for nfv, must be given as a range '-' and Numa node1 CPU's should be considered
+host_isolcpus=`lscpu | grep "NUMA node1 CPU(s)"| awk -F ':' '{print \$2}' | sed 's/[[:space:]]//g'`
+first=$(echo ${host_isolcpus} | cut -f1 -d-)
+last=$(echo ${host_isolcpus} | cut -f2 -d-)
+
+# Bind cpus from host_isolcpus range for QEMU processor threads
+i=0
+while [ ${i} -lt ${guest_cpus} ]; do
+ qemu_cpu[$i]=${first}
+ i=`expr $i + 1`
+ first=`expr $first + 1`
+done
+
+#Isolated cpus from host_isolcpus range to run Stress tool
+stress_isolcpus=${first}-${last}
+echo "Stress tool runs on $stress_isolcpus"
printf 0x%x ${m}
}
-qmp_sock="/tmp/qmp-sock-$$"
+qmp_sock="/tmp/qmp-sock"
#${qemu} -smp ${guest_cpus} -monitor unix:${qmp_sock},server,nowait -daemonize \
# -cpu host,migratable=off,+invtsc,+tsc-deadline,pmu=off \
# -device virtio-net-pci,netdev=guest0 \
# -nographic -serial /dev/null -parallel /dev/null
-${qemu} -smp ${guest_cpus} -drive file=/root/guest1.qcow2 -daemonize \
+${qemu} -smp ${guest_cpus} -monitor unix:${qmp_sock},server,nowait \
+ -drive file=/root/guest1.qcow2 -daemonize \
-netdev user,id=net0,hostfwd=tcp:$HOST_IP:5555-:22 \
-realtime mlock=on -mem-prealloc -enable-kvm -m 1G \
-mem-path /mnt/hugetlbfs-1g \
-device virtio-net-pci,netdev=net0 \
-i=0
-for c in `echo ${host_isolcpus} | sed 's/,/ /g'` ; do
- cpu[$i]=${c}
- i=`expr $i + 1`
-done
-
threads=`echo "info cpus" | nc -U ${qmp_sock} | grep thread_id | cut -d= -f3`
# Bind QEMU processor threads to RT CPUs
i=0
for tid in ${threads} ; do
- tid=`printf %d ${tid}` # this is required to get rid of cr at end
- mask=`cpumask ${cpu[$i]}`
- taskset -p ${mask} ${tid}
+ new_tid=`echo $tid | sed -e 's/[\r\n]//g'` # this is required to get rid of cr at end
+ mask=`cpumask ${qemu_cpu[$i]}`
+ taskset -p ${mask} ${new_tid}
i=`expr $i + 1`
done