== sanity test 46: dirtying a previously written page ========================================================================== 10:45:08 (1736264708)
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, 0.00195433 s, 2.1 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0008207 s, 5.0 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000644999 s, 6.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20