June 2017
Intermediate to advanced
340 pages
8h 22m
English
Content preview from KVM Virtualization Cookbook
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Introduction
In this chapter, we are going to explore various configuration options and tools that can help improve the performance of the host OS and the KVM instances running on it.
When running KVM virtual machines, it's important to understand that from the host perspective, they are regular processes. We can see that KVM guests are Linux processes by examining the process tree on the hypervisor:
root@kvm:~# virsh list Id Name State---------------------------------------------------- 16 kvm runningroot@kvm:~# pgrep -lfa qemu19913 /usr/bin/qemu-system-x86_64 -name kvm -S -machine pc-i440fx-trusty,accel=kvm,usb=off -m 1024 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid 283c6653-9981-9396-efb4-fb864d87f769 -no-user-config ...
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