== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 15:25:40 (1789068340) 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 1789068343.933238761 secs.nsecs start_time 1789068343.643124162 secs.nsecs elapsed_time 0.290114599 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 1789068344.452014453 secs.nsecs start_time 1789068344.057222020 secs.nsecs elapsed_time 0.394792433 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 1789068344.748750703 secs.nsecs start_time 1789068344.534037789 secs.nsecs elapsed_time 0.214712914 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 1789068345.113176151 secs.nsecs start_time 1789068344.866599762 secs.nsecs elapsed_time 0.246576389 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 1789068345.608626937 secs.nsecs start_time 1789068345.240990525 secs.nsecs elapsed_time 0.367636412 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 1789068346.253739675 secs.nsecs start_time 1789068345.759184898 secs.nsecs elapsed_time 0.494554777 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 1789068346.892545277 secs.nsecs start_time 1789068346.513631703 secs.nsecs elapsed_time 0.378913574 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 1789068347.634766268 secs.nsecs start_time 1789068347.135788812 secs.nsecs elapsed_time 0.498977456 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 1789068348.854145496 secs.nsecs start_time 1789068347.859356397 secs.nsecs elapsed_time 0.994789099 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