---
name: "dohell"
section: "1"
platform: "linux"
package: "xenomai-runtime"
version: "2.6.3-2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/dohell"
---

# dohell(1)

Generate load, in parallel of the latency test

## NAME

dohell - Generate load, in parallel of the latency test

## SYNOPSIS

**dohell** \[ -b \<path\> \] \[ -s \<server\> \] \[ -p \<port\> \] \[ -m \<path\> \] \[ -l \<path\> \| \<duration\> \]

## DESCRIPTION

**dohell** generates some load, using commonly available commands, in parallel of the [latency(1)](/latency/1.md) test or as part of [xeno-test(1)](/xeno-test/1.md).

## OPTIONS

**dohell** accepts the following options:

- **-b**

  runs the hackbench test repetitively during the run-time of the **dohell** script;

- **-s**

  run nc to continuously send data to a server through network;

- **-p**

  if **-s** is used, specificy the port to which to send data, if not specified, port 9 (aka discard) is used;

- **-m \<path\>**

  run dd to write data to the **\<path\>** directory;

- **-l \<path\>**

  mutually exclusive with **\<duration\>**; the dohell script runs during two runs of the LTP script **runalltests.sh** found in the **\<path\>** directory;

**\<duration\>**

mutually exclusive with **-l**; run dohell for the given duration in seconds.

## SEE ALSO

[xeno-test(1)](/xeno-test/1.md), [latency(1)](/latency/1.md).

## EXAMPLE

```
dohell -s 192.168.0.5 -m /mnt -l /ltp
```