== sanity test 399b: fake read should not be slower than normal read ========================================================== 10:05:20 (1783519520) debug=0 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 4.1748 s, 251 MB/s fail_loc=0x238 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 0.32733 s, 3.2 GB/s fail_loc=0 fake read .343438696 vs. normal read 4.190359345 in seconds