== sanity test 46: dirtying a previously written page ========================================================================== 01:35:33 (1746077733)
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, 0.00636955 s, 643 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0118926 s, 344 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00448312 s, 914 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20