---
name: "probe::vm.brk"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/probe::vm.brk"
---

# probe::vm.brk(3stap)

Fires when a brk is requested (i.e. the heap will be resized)

## NAME

probe::vm.brk - Fires when a brk is requested (i.e. the heap will be resized)

## SYNOPSIS

```
vm.brk
```

## VALUES

*length*

the length of the memory segment

*address*

the requested address

*name*

name of the probe point

## CONTEXT

The process calling brk.

## SEE ALSO0

[*tapset::memory*(3stap)](/tapset::memory/3stap.md)