== sanity test 248c: verify whole file read behavior ===== 03:11:56 (1787469116)
llite.lustre-ffff982d12216800.read_ahead_stats=c
llite.lustre-ffff982d12216800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 11.5735 seconds
llite.lustre-ffff982d12216800.read_ahead_stats=
snapshot_time                       1787469131.906952868 secs.nsecs
start_time                          1787469119.562500415 secs.nsecs
elapsed_time                        12.344452453 secs.nsecs
hits                                16382 samples [pages]
misses                              2 samples [pages]
zero_size_window                    1 samples [pages]
failed_to_fast_read                 3 samples [pages]
readahead_pages                     1 samples [pages] 16382 16382 16382
llite.lustre-ffff982d12216800.read_ahead_stats=clear
llite.lustre-ffff982d12216800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.59988 seconds
llite.lustre-ffff982d12216800.read_ahead_stats=
snapshot_time                       1787469142.584339469 secs.nsecs
start_time                          1787469131.921151630 secs.nsecs
elapsed_time                        10.663187839 secs.nsecs
hits                                16382 samples [pages]
misses                              2 samples [pages]
zero_size_window                    1 samples [pages]
failed_to_fast_read                 3 samples [pages]
readahead_pages                     1 samples [pages] 16382 16382 16382
Try 0 failed: whole file readahead took: 11.5735, greater than non: 7.59988
llite.lustre-ffff982d12216800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.52585 seconds
llite.lustre-ffff982d12216800.read_ahead_stats=
snapshot_time                       1787469150.274318653 secs.nsecs
start_time                          1787469131.921151630 secs.nsecs
elapsed_time                        18.353167023 secs.nsecs
hits                                32764 samples [pages]
misses                              4 samples [pages]
zero_size_window                    2 samples [pages]
failed_to_fast_read                 6 samples [pages]
readahead_pages                     2 samples [pages] 16382 16382 32764
llite.lustre-ffff982d12216800.read_ahead_stats=clear
llite.lustre-ffff982d12216800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.59901 seconds
llite.lustre-ffff982d12216800.read_ahead_stats=
snapshot_time                       1787469159.885206406 secs.nsecs
start_time                          1787469150.305233026 secs.nsecs
elapsed_time                        9.579973380 secs.nsecs
hits                                16382 samples [pages]
misses                              2 samples [pages]
zero_size_window                    1 samples [pages]
failed_to_fast_read                 3 samples [pages]
readahead_pages                     1 samples [pages] 16382 16382 16382
Test passed on attempt 1
llite.lustre-ffff982d12216800.max_read_ahead_whole_mb=4