# HiDebug_SystemMemInfo

<!--Kit: Performance Analysis Kit-->
<!--Subsystem: HiviewDFX-->
<!--Owner: @hello_harmony; @yu_haoqiaida-->
<!--SE: @kutcherzhou1-->
<!--TSE: @gcw_KuLfPSbe-->

## Overview

Defines a struct for the system memory information.

**Since**: 12

**Related module**: [HiDebug](capi-hidebug.md)

**Header file**: [hidebug_type.h](capi-hidebug-type-h.md)

## Summary

### Member Variables

| Name| Description|
| -- | -- |
| uint32_t totalMem | Total memory of the system, in KB.|
| uint32_t freeMem | Free memory of the system, in KB.|
| uint32_t availableMem | Available memory of the system, in KB.|