== sanity test 399b: fake read should not be slower than normal read ========================================================== 00:44:46 (1788842686) debug=0 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 12.2515 s, 85.6 MB/s fail_loc=0x238 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 1.42075 s, 738 MB/s fail_loc=0 fake read 1.513498565 vs. normal read 12.328862915 in seconds