== sanity test 46: dirtying a previously written page ========================================================================== 18:12:56 (1748470376)
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, 0.00537452 s, 762 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00492444 s, 832 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00174896 s, 2.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20