== sanity test 46: dirtying a previously written page ========================================================================== 20:06:19 (1718928379)
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, 0.00401574 s, 1.0 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00161667 s, 2.5 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00136742 s, 3.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20