| What: /sys/kernel/dmabuf/buffers | |
| Date: May 2021 | |
| KernelVersion: v5.13 | |
| Contact: Hridya Valsaraju <hridya@google.com> | |
| Description: The /sys/kernel/dmabuf/buffers directory contains a | |
| snapshot of the internal state of every DMA-BUF. | |
| /sys/kernel/dmabuf/buffers/<inode_number> will contain the | |
| statistics for the DMA-BUF with the unique inode number | |
| <inode_number> | |
| Users: kernel memory tuning/debugging tools | |
| What: /sys/kernel/dmabuf/buffers/<inode_number>/exporter_name | |
| Date: May 2021 | |
| KernelVersion: v5.13 | |
| Contact: Hridya Valsaraju <hridya@google.com> | |
| Description: This file is read-only and contains the name of the exporter of | |
| the DMA-BUF. | |
| What: /sys/kernel/dmabuf/buffers/<inode_number>/size | |
| Date: May 2021 | |
| KernelVersion: v5.13 | |
| Contact: Hridya Valsaraju <hridya@google.com> | |
| Description: This file is read-only and specifies the size of the DMA-BUF in | |
| bytes. |