---
title: cpuid_tsc_leaf
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.3+]
path: kernel/i386_cpu_info_t/1580587-cpuid_tsc_leaf
---

# cpuid_tsc_leaf

## Declaration

```occ
cpuid_tsc_leaf_t cpuid_tsc_leaf;
```