== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 02:12:45 (1775196765)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 0 ->+ 1048576 -> 4096 4096
short read: 4096 ->+ 1044480 -> 4096 0
snapshot_time             1775196768.150118047 secs.nsecs
start_time                1775196767.730242827 secs.nsecs
elapsed_time              0.419875220 secs.nsecs
misses                    2 samples [pages]
zero_size_window          2 samples [pages]
failed_to_fast_read       1 samples [pages]
Test readahead: size=16384 ramax= iosz=1048576
short read: 0 ->+ 1048576 -> 16384 16384
short read: 16384 ->+ 1032192 -> 16384 0
snapshot_time             1775196768.602626300 secs.nsecs
start_time                1775196768.277695727 secs.nsecs
elapsed_time              0.324930573 secs.nsecs
hits                      3 samples [pages]
misses                    2 samples [pages]
zero_size_window          4 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 3 3 3
Test readahead: size=16385 ramax= iosz=1048576
short read: 0 ->+ 1048576 -> 16385 16385
short read: 16385 ->+ 1032191 -> 16385 0
snapshot_time             1775196769.135100947 secs.nsecs
start_time                1775196768.728139316 secs.nsecs
elapsed_time              0.406961631 secs.nsecs
hits                      4 samples [pages]
misses                    1 samples [pages]
zero_size_window          4 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 4 4 4
Test readahead: size=16383 ramax= iosz=1048576
short read: 0 ->+ 1048576 -> 16383 16383
short read: 16383 ->+ 1032193 -> 16383 0
snapshot_time             1775196769.662224887 secs.nsecs
start_time                1775196769.266139867 secs.nsecs
elapsed_time              0.396085020 secs.nsecs
hits                      3 samples [pages]
misses                    1 samples [pages]
zero_size_window          3 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 3 3 3
Test readahead: size=1048577 ramax= iosz=2097152
short read: 0 ->+ 2097152 -> 1048577 1048577
short read: 1048577 ->+ 1048575 -> 1048577 0
snapshot_time             1775196770.217383755 secs.nsecs
start_time                1775196769.765673680 secs.nsecs
elapsed_time              0.451710075 secs.nsecs
hits                      256 samples [pages]
misses                    1 samples [pages]
zero_size_window          256 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 256 256 256
Test readahead: size=1064960 ramax= iosz=2097152
short read: 0 ->+ 2097152 -> 1064960 1064960
short read: 1064960 ->+ 1032192 -> 1064960 0
snapshot_time             1775196770.950587243 secs.nsecs
start_time                1775196770.363383059 secs.nsecs
elapsed_time              0.587204184 secs.nsecs
hits                      259 samples [pages]
misses                    2 samples [pages]
zero_size_window          260 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 259 259 259
Test readahead: size=1064960 ramax= iosz=2097152
short read: 0 ->+ 2097152 -> 1064960 1064960
short read: 1064960 ->+ 1032192 -> 1064960 0
snapshot_time             1775196771.787300080 secs.nsecs
start_time                1775196771.193681365 secs.nsecs
elapsed_time              0.593618715 secs.nsecs
hits                      259 samples [pages]
misses                    2 samples [pages]
zero_size_window          260 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 259 259 259
Test readahead: size=2113536 ramax= iosz=3145728
short read: 0 ->+ 3145728 -> 2113536 2113536
short read: 2113536 ->+ 1032192 -> 2113536 0
snapshot_time             1775196772.510063823 secs.nsecs
start_time                1775196772.034490875 secs.nsecs
elapsed_time              0.475572948 secs.nsecs
hits                      515 samples [pages]
misses                    2 samples [pages]
zero_size_window          516 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 515 515 515
Test readahead: size=4210688 ramax= iosz=5242880
short read: 0 ->+ 5242880 -> 4210688 4210688
short read: 4210688 ->+ 1032192 -> 4210688 0
snapshot_time             1775196773.559886446 secs.nsecs
start_time                1775196772.824685550 secs.nsecs
elapsed_time              0.735200896 secs.nsecs
hits                      1026 samples [pages]
misses                    3 samples [pages]
readpage_not_consecutive  1 samples [pages]
zero_size_window          1027 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           2 samples [pages] 3 1023 1026