---
title: mem_and_io_snapshot
framework: Kernel
role: symbol
platforms: [macOS 10.8+]
path: kernel/mem_and_io_snapshot
---

# mem_and_io_snapshot

## Declaration

```occ
struct mem_and_io_snapshot {
    ...
};
```

## Topics

### Instance Properties

- [active_pages](kernel/mem_and_io_snapshot/1551769-active_pages.md)
- [busy_buffer_count](kernel/mem_and_io_snapshot/1551841-busy_buffer_count.md)
- [compressions](kernel/mem_and_io_snapshot/1551818-compressions.md)
- [compressor_size](kernel/mem_and_io_snapshot/1551644-compressor_size.md)
- [decompressions](kernel/mem_and_io_snapshot/1551789-decompressions.md)
- [filebacked_pages](kernel/mem_and_io_snapshot/1551820-filebacked_pages.md)
- [free_pages](kernel/mem_and_io_snapshot/1551807-free_pages.md)
- [inactive_pages](kernel/mem_and_io_snapshot/1551826-inactive_pages.md)
- [pages_reclaimed](kernel/mem_and_io_snapshot/1551724-pages_reclaimed.md)
- [pages_wanted](kernel/mem_and_io_snapshot/1551765-pages_wanted.md)
- [pages_wanted_reclaimed_valid](kernel/mem_and_io_snapshot/1551806-pages_wanted_reclaimed_valid.md)
- [purgeable_pages](kernel/mem_and_io_snapshot/1551705-purgeable_pages.md)
- [snapshot_magic](kernel/mem_and_io_snapshot/1551631-snapshot_magic.md)
- [speculative_pages](kernel/mem_and_io_snapshot/1551651-speculative_pages.md)
- [throttled_pages](kernel/mem_and_io_snapshot/1551726-throttled_pages.md)
- [wired_pages](kernel/mem_and_io_snapshot/1551706-wired_pages.md)