== sanity test 46: dirtying a previously written page ========================================================================== 00:20:50 (1746159650)
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, 0.0221985 s, 185 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0112851 s, 363 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00844828 s, 485 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20