# tt_thermal_trip_count

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## Name

### Prometheus Metric Name

```
tt_thermal_trip_count
```

### Metric Path (tt-telemetry)

Schema:

```
{hostname}/tray{tray}/chip{chip}/tt_thermal_trip_count
```

Example path:

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

## Description

The cumulative count of thermal trip events since the last reset (system reboot or tt-smi reset). A non-zero value indicates the device has experienced thermal throttling events. The chip temperature is monitored and when it exceeds safe thresholds, a thermal trip is triggered. This metric is only created if the device reports thermal trip data.

## Values

**Type:** Unsigned Integer

**Units:** None

**Allowable values:**
A non-negative integer representing the number of thermal trip events. A value of `0` means no thermal trips have occurred since the last reset.

## 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.|