# tt_cm_firmware_info

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## Name

### Prometheus Metric Name

```
tt_cm_firmware_info
```

### Metric Path (tt-telemetry)

Schema:

```
{hostname}/tray{tray}/chip{chip}/tt_cm_firmware_info
```

Example path:

```
bh-glx-c09u02/tray1/chip2/tt_cm_firmware_info
```

## Description

The Control Module (CM) firmware version string. This reports the version of the CM firmware on the device. This metric is only created if the device reports CM firmware version data. In Prometheus, the version string is exposed as the `version` label with a constant gauge value of 1.

## Values

**Type:** String

**Units:** None

**Allowable values:**
A version string. The value is exposed via the `version` Prometheus label.

## Prometheus Labels

|Label Name|Value|
|---|---|
|hostname|The host from which the metric was collected.|
|hall|The datacenter hall where the host is located. Sourced from the Factory System Descriptor (FSD).|
|aisle|The datacenter aisle where the host is located. Sourced from the Factory System Descriptor (FSD).|
|rack|The rack number where the host is located. Sourced from the Factory System Descriptor (FSD).|
|shelf_u|The shelf U position in the rack where the host is located. Sourced from the Factory System Descriptor (FSD).|
|tray|The tray (UBB) that the device is located on.|
|chip|The ASIC location within the tray.|
|version|The CM firmware version string.|