iogen(1)
NAME
iogen - Generate I/O Requests
IMPLEMENTATION
All Cray Research systems
SYNOPSIS
iogen
DESCRIPTION
Iogen is one of the device-beater tools.
- Options:
- -f [opt]
open flags: raw, sync, ssd, ldraw, buffered
- -i [opt]
Number of iterations to run. 0 implies infinite.
- -q
- -m [opt]
Offset mode. One of: random, sequential, reverse.
- -o Overlap flag.
- -p [opt]
output pipe (default is stdout)
- -r [opt]
specify raw io multiple instead of getting it from the mounted on device. Only applies to regular files.
- -s [opt]
System calls to use for I/O. A list of: read, write, reada, writea, ssread, sswrite
- -t [opt]
min transfer size
- -T [opt]
max transfer size
AUTHOR
Mark Maule wrote the code.
Glen Overby wrote the man page.
BUGS
- See "Features".