---
pageClass: is-wide-page
---

# TaskStackInfo (UORB message)

stack information for a single running process.

**TOPICS:** task_stack_info

## Fields

| 명칭                                                         | 형식         | Unit [Frame] | Range/Enum | 설명                                                        |
| ---------------------------------------------------------- | ---------- | ---------------------------------------------------------------- | ---------- | --------------------------------------------------------- |
| <a id="fld_timestamp"></a>timestamp                        | `uint64`   |                                                                  |            | time since system start (microseconds) |
| <a id="fld_stack_free"></a>stack_free | `uint16`   |                                                                  |            |                                                           |
| <a id="fld_task_name"></a>task_name   | `char[24]` |                                                                  |            |                                                           |

## Constants

| 명칭                                                                                        | 형식      | Value | 설명 |
| ----------------------------------------------------------------------------------------- | ------- | ----- | -- |
| <a id="#ORB_QUEUE_LENGTH"></a> ORB_QUEUE_LENGTH | `uint8` | 2     |    |

## Source Message

[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/TaskStackInfo.msg)

:::details
Click here to see original file

```c
# stack information for a single running process

uint64 timestamp		# time since system start (microseconds)

uint16 stack_free
char[24] task_name

uint8 ORB_QUEUE_LENGTH = 2
```

:::