== sanity test 46: dirtying a previously written page ========================================================================== 23:16:30 (1722482190)
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, 0.00239605 s, 1.7 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00214177 s, 1.9 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000642009 s, 6.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20