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$ /etc/init.d/apparmor stop $ /etc/init.d/apparmor teardown $ update-rc.d -f apparmor remove |
Isolate 2 cores from the OS by modifying: /etc/default/grub
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GRUB_CMDLINE_LINUX_DEFAULT="text isolcpus=10,11"
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Update grub:
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$ sudo update-grub |
Reboot
Install barometer build-essentials:
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<LoadPlugin cpu>
Interval 1
</LoadPlugin>
<LoadPlugin virt>
Interval 1
</LoadPlugin>
LoadPlugin csv
LoadPlugin network
<Plugin cpu>
ReportByCpu true
ReportByState false
ValuesPercentage true
</Plugin>
<Plugin csv>
DataDir "/tmp/collectd/csv"
# StoreRates false
</Plugin>
<Plugin network>
# server setup:
Listen "<host ip address>" "28597"
<Listen "<host ip address>" "28597">
</Listen>
</Plugin>
<Plugin virt>
Connection "qemu:///system"
# RefreshInterval 60
# Domain "name"
# BlockDevice "name:device"
# BlockDeviceFormat target
# BlockDeviceFormatBasename false
# InterfaceDevice "name:device"
# IgnoreSelected false
HostnameFormat uuid
# InterfaceFormat name
# PluginInstanceFormat name
Instances 1
ExtraStats "disk pcpu"
</Plugin>
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Core 10 and 11 were isolated from the OS using the isolcpus argument to grub command line and using virsh to Pin the vCPUs to those cores:
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$ virsh vcpupin test 0 10
$ virsh vcpupin test 1 11 |
GuestOS: Ubuntu 16.04.2 LTS
Install collectd and stress
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