== sanity test 46: dirtying a previously written page ========================================================================== 07:14:34 (1750590874)
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, 0.00729986 s, 561 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00749053 s, 547 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00125786 s, 3.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20