== sanity test 46: dirtying a previously written page ========================================================================== 18:46:12 (1736984772)
vm.dirty_writeback_centisecs = 0
vm.dirty_writeback_centisecs = 0
vm.dirty_ratio = 50
vm.dirty_background_ratio = 25
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00746843 s, 548 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00957546 s, 428 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000971404 s, 4.2 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20