#include <media/v4l2-common.h>
  #include <media/v4l2-fh.h>
  #include <media/videobuf2-v4l2.h>
  
  #define CREATE_TRACE_POINTS
  #include <trace/events/v4l2.h>
  
  EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_buf_done);
  EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_buf_queue);
  EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_dqbuf);
  EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_qbuf);