== sanity test 399b: fake read should not be slower than normal read ========================================================== 00:20:22 (1788754822) debug=0 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 14.1875 s, 73.9 MB/s fail_loc=0x238 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB, 1000 MiB) copied, 1.81414 s, 578 MB/s fail_loc=0 fake read 1.903159982 vs. normal read 14.260804027 in seconds