== sanity test 46: dirtying a previously written page ========================================================================== 22:03:59 (1746151439)
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, 0.00545758 s, 751 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0136122 s, 301 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00142676 s, 2.9 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20