1*bdb8d06dSHridya ValsarajuWhat: /sys/kernel/dmabuf/buffers 2*bdb8d06dSHridya ValsarajuDate: May 2021 3*bdb8d06dSHridya ValsarajuKernelVersion: v5.13 4*bdb8d06dSHridya ValsarajuContact: Hridya Valsaraju <hridya@google.com> 5*bdb8d06dSHridya ValsarajuDescription: The /sys/kernel/dmabuf/buffers directory contains a 6*bdb8d06dSHridya Valsaraju snapshot of the internal state of every DMA-BUF. 7*bdb8d06dSHridya Valsaraju /sys/kernel/dmabuf/buffers/<inode_number> will contain the 8*bdb8d06dSHridya Valsaraju statistics for the DMA-BUF with the unique inode number 9*bdb8d06dSHridya Valsaraju <inode_number> 10*bdb8d06dSHridya ValsarajuUsers: kernel memory tuning/debugging tools 11*bdb8d06dSHridya Valsaraju 12*bdb8d06dSHridya ValsarajuWhat: /sys/kernel/dmabuf/buffers/<inode_number>/exporter_name 13*bdb8d06dSHridya ValsarajuDate: May 2021 14*bdb8d06dSHridya ValsarajuKernelVersion: v5.13 15*bdb8d06dSHridya ValsarajuContact: Hridya Valsaraju <hridya@google.com> 16*bdb8d06dSHridya ValsarajuDescription: This file is read-only and contains the name of the exporter of 17*bdb8d06dSHridya Valsaraju the DMA-BUF. 18*bdb8d06dSHridya Valsaraju 19*bdb8d06dSHridya ValsarajuWhat: /sys/kernel/dmabuf/buffers/<inode_number>/size 20*bdb8d06dSHridya ValsarajuDate: May 2021 21*bdb8d06dSHridya ValsarajuKernelVersion: v5.13 22*bdb8d06dSHridya ValsarajuContact: Hridya Valsaraju <hridya@google.com> 23*bdb8d06dSHridya ValsarajuDescription: This file is read-only and specifies the size of the DMA-BUF in 24*bdb8d06dSHridya Valsaraju bytes. 25