Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers

   1 What:           /sys/kernel/dmabuf/buffers
   2 Date:           May 2021
   3 KernelVersion:  v5.13
   4 Contact:        Hridya Valsaraju <hridya@google.com>
   5 Description:    The /sys/kernel/dmabuf/buffers directory contains a
   6                 snapshot of the internal state of every DMA-BUF.
   7                 /sys/kernel/dmabuf/buffers/<inode_number> will contain the
   8                 statistics for the DMA-BUF with the unique inode number
   9                 <inode_number>
  10 Users:          kernel memory tuning/debugging tools
  11
  12 What:           /sys/kernel/dmabuf/buffers/<inode_number>/exporter_name
  13 Date:           May 2021
  14 KernelVersion:  v5.13
  15 Contact:        Hridya Valsaraju <hridya@google.com>
  16 Description:    This file is read-only and contains the name of the exporter of
  17                 the DMA-BUF.
  18
  19 What:           /sys/kernel/dmabuf/buffers/<inode_number>/size
  20 Date:           May 2021
  21 KernelVersion:  v5.13
  22 Contact:        Hridya Valsaraju <hridya@google.com>
  23 Description:    This file is read-only and specifies the size of the DMA-BUF in
  24                 bytes.