---
title: io_compression_stats_t
framework: Kernel
role: symbol
role_heading: Structure
platforms: [macOS 11.3+]
path: kernel/io_compression_stats_t
---

# io_compression_stats_t

## Declaration

```occ
typedef struct io_compression_stats {
    ...
} io_compression_stats_t;
```

## Topics

### Instance Properties

- [block_compressed_size_dist](kernel/io_compression_stats_t/3728060-block_compressed_size_dist.md)
- [buffer_size_compression_dist](kernel/io_compression_stats_t/3728061-buffer_size_compression_dist.md)
- [compressed_size](kernel/io_compression_stats_t/3728062-compressed_size.md)
- [uncompressed_size](kernel/io_compression_stats_t/3728063-uncompressed_size.md)