On Mon, Aug 3, 2020 at 8:41 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Mon, Aug 03, 2020 at 02:47:19PM +0000, Kalesh Singh wrote: > > +static void dma_buf_fd_install(int fd, struct file *filp) > > +{ > > + trace_dma_buf_fd_ref_inc(current, filp); > > +} > > You're adding a new file_operation in order to just add a new tracepoint? > NACK. Hi Matthew, The plan is to attach a BPF to this tracepoint in order to track dma-buf users. If you feel this is an overkill, what would you suggest as an alternative?