== sanity test 399b: fake read should not be slower than normal read ========================================================== 01:13:13 (1788671593) debug=0 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 13.9503 s, 75.2 MB/s fail_loc=0x238 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 1.37129 s, 765 MB/s fail_loc=0 fake read 1.500868041 vs. normal read 14.030079789 in seconds