== sanity test 46: dirtying a previously written page ========================================================================== 23:59:31 (1721879971)
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, 0.004567 s, 897 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00312666 s, 1.3 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00103738 s, 3.9 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20