== sanity test 46: dirtying a previously written page ========================================================================== 23:49:36 (1746071376)
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, 0.00846132 s, 484 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.016221 s, 253 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00168206 s, 2.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20