cc-metric-collector/collectors/infinibandMetric.md

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## `ibstat` collector
```json
"ibstat": {
"exclude_devices": [
"mlx4"
]
}
```
The `ibstat` collector includes all Infiniband devices that can be
found below `/sys/class/infiniband/` and where any of the ports provides a
LID file (`/sys/class/infiniband/<dev>/ports/<port>/lid`)
The devices can be filtered with the `exclude_devices` option in the configuration.
For each found LID the collector reads data through the sysfs files below `/sys/class/infiniband/<device>`.
Metrics:
* `ib_recv`
* `ib_xmit`
* `ib_recv_pkts`
* `ib_xmit_pkts`
The collector adds a `device` tag to all metrics