18c2ecf20Sopenharmony_ciWhat: /sys/kernel/dmabuf/buffers 28c2ecf20Sopenharmony_ciDate: May 2021 38c2ecf20Sopenharmony_ciKernelVersion: v5.13 48c2ecf20Sopenharmony_ciContact: Hridya Valsaraju <hridya@google.com> 58c2ecf20Sopenharmony_ciDescription: The /sys/kernel/dmabuf/buffers directory contains a 68c2ecf20Sopenharmony_ci snapshot of the internal state of every DMA-BUF. 78c2ecf20Sopenharmony_ci /sys/kernel/dmabuf/buffers/<inode_number> will contain the 88c2ecf20Sopenharmony_ci statistics for the DMA-BUF with the unique inode number 98c2ecf20Sopenharmony_ci <inode_number> 108c2ecf20Sopenharmony_ciUsers: kernel memory tuning/debugging tools 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ciWhat: /sys/kernel/dmabuf/buffers/<inode_number>/exporter_name 138c2ecf20Sopenharmony_ciDate: May 2021 148c2ecf20Sopenharmony_ciKernelVersion: v5.13 158c2ecf20Sopenharmony_ciContact: Hridya Valsaraju <hridya@google.com> 168c2ecf20Sopenharmony_ciDescription: This file is read-only and contains the name of the exporter of 178c2ecf20Sopenharmony_ci the DMA-BUF. 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ciWhat: /sys/kernel/dmabuf/buffers/<inode_number>/size 208c2ecf20Sopenharmony_ciDate: May 2021 218c2ecf20Sopenharmony_ciKernelVersion: v5.13 228c2ecf20Sopenharmony_ciContact: Hridya Valsaraju <hridya@google.com> 238c2ecf20Sopenharmony_ciDescription: This file is read-only and specifies the size of the DMA-BUF in 248c2ecf20Sopenharmony_ci bytes. 25