== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 16:04:30 (1788465870)
0
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                       1788465875.483181338 secs.nsecs
start_time                          1788465875.034709721 secs.nsecs
elapsed_time                        0.448471617 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                       1788465876.141792770 secs.nsecs
start_time                          1788465875.743291174 secs.nsecs
elapsed_time                        0.398501596 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                       1788465876.700365396 secs.nsecs
start_time                          1788465876.262587392 secs.nsecs
elapsed_time                        0.437778004 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                       1788465877.049968360 secs.nsecs
start_time                          1788465876.818280678 secs.nsecs
elapsed_time                        0.231687682 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                       1788465877.791074179 secs.nsecs
start_time                          1788465877.173005762 secs.nsecs
elapsed_time                        0.618068417 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                       1788465878.587313011 secs.nsecs
start_time                          1788465878.041049411 secs.nsecs
elapsed_time                        0.546263600 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                       1788465879.674913853 secs.nsecs
start_time                          1788465879.011313867 secs.nsecs
elapsed_time                        0.663599986 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                       1788465880.796913023 secs.nsecs
start_time                          1788465879.914926336 secs.nsecs
elapsed_time                        0.881986687 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                       1788465882.619807950 secs.nsecs
start_time                          1788465881.139212235 secs.nsecs
elapsed_time                        1.480595715 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