== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 11:35:16 (1783352116) 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 1783352118.292666753 secs.nsecs start_time 1783352118.127463301 secs.nsecs elapsed_time 0.165203452 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 1783352118.503143530 secs.nsecs start_time 1783352118.368583881 secs.nsecs elapsed_time 0.134559649 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 1783352118.671263376 secs.nsecs start_time 1783352118.558243072 secs.nsecs elapsed_time 0.113020304 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 1783352118.892789288 secs.nsecs start_time 1783352118.743498187 secs.nsecs elapsed_time 0.149291101 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 1783352119.128784889 secs.nsecs start_time 1783352118.940760098 secs.nsecs elapsed_time 0.188024791 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 1783352119.411126987 secs.nsecs start_time 1783352119.177007455 secs.nsecs elapsed_time 0.234119532 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 1783352119.767805368 secs.nsecs start_time 1783352119.555711811 secs.nsecs elapsed_time 0.212093557 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 1783352120.143698695 secs.nsecs start_time 1783352119.866466855 secs.nsecs elapsed_time 0.277231840 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 1783352120.680308659 secs.nsecs start_time 1783352120.250103402 secs.nsecs elapsed_time 0.430205257 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