---
name: "iogen"
section: "1"
platform: "linux"
package: "ltp-tools"
version: "20091231+dfsg-1"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/iogen"
---

# iogen(1)

Generate I/O Requests

## 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".