Performance Criteria & Measurement of Virtual Devices

VirtIO Device	Device	Performance Indicator	Free Measurement Tools
virtio-blk	Shared block device	Throughput Latency	fio: Measure throughput and latency by simulating a given I/O workload
virtio-net	Virtual network	Throughput Latency	iperf3, netperf (throughput) ping (latency)
virtio-console	Serial console
virtio-rng	Random Number Generator
virtio-gpu (2d mode)	Shared GPU (2d mode)	FPS	glmark2: graphics performance benchmark tool for OpenGL ES 2.0
virtio-gpu (3d mode)	Shared GPU (3d mode)	FPS
virtio-input	Shared Input (e.g. touch)
virtio-vsock	Virtual socket
virtio-snd	Shared audio
virtio-fs	Shared file-system
virtio-video	Shared media accelerators
virtio-scmi	Shared clocks, sensors
virtio-camera	Shared camera video

SDV EG