READ_IO
lat_type = READ_IO;
__entry->d_rd_peak = iostat_lat[READ_IO][DATA].peak_lat;
__entry->d_rd_avg = iostat_lat[READ_IO][DATA].avg_lat;
__entry->d_rd_cnt = iostat_lat[READ_IO][DATA].cnt;
__entry->n_rd_peak = iostat_lat[READ_IO][NODE].peak_lat;
__entry->n_rd_avg = iostat_lat[READ_IO][NODE].avg_lat;
__entry->n_rd_cnt = iostat_lat[READ_IO][NODE].cnt;
__entry->m_rd_peak = iostat_lat[READ_IO][META].peak_lat;
__entry->m_rd_avg = iostat_lat[READ_IO][META].avg_lat;
__entry->m_rd_cnt = iostat_lat[READ_IO][META].cnt;