== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 09:02:04 (1787835724) 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 1787835727.545135545 secs.nsecs start_time 1787835727.295982119 secs.nsecs elapsed_time 0.249153426 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 1787835728.009699998 secs.nsecs start_time 1787835727.692789316 secs.nsecs elapsed_time 0.316910682 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 1787835728.405456009 secs.nsecs start_time 1787835728.138502860 secs.nsecs elapsed_time 0.266953149 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 1787835728.782452088 secs.nsecs start_time 1787835728.505363365 secs.nsecs elapsed_time 0.277088723 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 1787835729.518573774 secs.nsecs start_time 1787835728.955438767 secs.nsecs elapsed_time 0.563135007 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 1787835730.400787269 secs.nsecs start_time 1787835729.713717021 secs.nsecs elapsed_time 0.687070248 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 1787835731.250339751 secs.nsecs start_time 1787835730.680351824 secs.nsecs elapsed_time 0.569987927 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 1787835732.241008177 secs.nsecs start_time 1787835731.622771016 secs.nsecs elapsed_time 0.618237161 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 1787835733.654094962 secs.nsecs start_time 1787835732.618368298 secs.nsecs elapsed_time 1.035726664 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