== sanity test 399b: fake read should not be slower than normal read ========================================================== 00:05:31 (1788753931) debug=0 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 3.08902 s, 339 MB/s fail_loc=0x238 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 0.357546 s, 2.9 GB/s fail_loc=0 fake read .378854286 vs. normal read 3.109406068 in seconds