---
name: "ibswportwatch"
section: "8"
platform: "linux"
package: "infiniband-diags"
version: "1.6.7-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/ibswportwatch"
---

# ibswportwatch(8)

poll the counters on the specified switch/port and report rate of change information.

## NAME

ibswportwatch.pl - poll the counters on the specified switch/port and report rate of change information.

## SYNOPSIS

**ibswportwatch.pl** \[-p \<pause\_time\> -v -n \<cycles\> -G\] \<guid\|lid\> \<port\>

## DESCRIPTION

ibswportwatch.pl polls the port counters of the specified port and calculates rate of change information.

## OPTIONS

- **-p \<pause\_time\>**

  Specify a pause time (polling interval) other than the default.

- **-v**

  Be verbose.

- **-n \<cycles\>**

  Run for a set number of poll intervals and stop.  (Default == -1 == forever)

- **-G**

  The address provided is a GUID rather than LID.

## AUTHOR

- Ira Weiny

  \<*weiny2@llnl.gov*\>