- mmap for mmap'ed io, splice for using splice/vmsplice,
- sgio for direct SG_IO io, or net for network io. sgio
- only works on Linux on SCSI (or SCSI-like devices,
- such as usb-storage or sata/libata driven) devices.
- Fio also has a null io engine, which is mainly used
- for testing fio itself.
+ mmap for mmap'ed io, syslet-rw for syslet driven
+ read/write, splice for using splice/vmsplice,
+ sgio for direct SG_IO io, net for network io, or cpuio
+ for a cycler burner load. sgio only works on Linux on
+ SCSI (or SCSI-like devices, such as usb-storage or
+ sata/libata driven) devices. Fio also has a null io
+ engine, which is mainly used for testing fio itself.