---
name: "ioalloccount"
section: "8"
platform: "macos"
package: "IOKitTools"
version: "125"
release: "macOS 26.5"
platforms: ["macos"]
url: "https://new.carta.tech/ioalloccount"
---

# ioalloccount(8)

Summarize IOKit memory usage.

## NAME

**ioalloccount** – Summarize IOKit memory usage.

## SYNOPSIS

**ioalloccount**

## DESCRIPTION

**ioalloccount** displays some accounting of memory allocated by IOKit allocators, including object instances, in the kernel.

This information is useful for tracking leaks. Instance counts can also found in the root of the IORegistry in the “IOKitDiagnostics” property.

## EXAMPLES

- ioalloccount

     Instance allocation = 0x0022c718 = 2225 K\
     Container allocation = 0x00141bad = 1286 K\
      IOMalloc allocation = 0x00638221 = 6368 K\
      Pageable allocation = 0x00f4f000 = 15676 K

## SEE ALSO

[ioclasscount(8)](/ioclasscount/8.md), [ioreg(8)](/ioreg/8.md)