== sanity test 46: dirtying a previously written page ========================================================================== 23:08:24 (1717556904)
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, 0.00164155 s, 2.5 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00157834 s, 2.6 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000332955 s, 12.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20