== sanity test 46: dirtying a previously written page ========================================================================== 06:01:27 (1744020087)
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, 0.00377969 s, 1.1 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00412361 s, 993 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00122254 s, 3.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20