== sanity test 46: dirtying a previously written page ========================================================================== 00:41:17 (1746160877)
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, 0.00495855 s, 826 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0133193 s, 308 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00193337 s, 2.1 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20