tracing_buffers_open 6826 kernel/trace/trace.c static int tracing_buffers_open(struct inode *inode, struct file *filp); tracing_buffers_open 6839 kernel/trace/trace.c ret = tracing_buffers_open(inode, filp); tracing_buffers_open 7515 kernel/trace/trace.c .open = tracing_buffers_open,