---
title: invariant_APIC_timer
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.7+]
path: kernel/cpuid_thermal_leaf_t/1580638-invariant_apic_timer
---

# invariant_APIC_timer

## Declaration

```occ
boolean_t invariant_APIC_timer;
```