== sanity test 46: dirtying a previously written page ========================================================================== 23:08:56 (1717556936)
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, 0.00222992 s, 1.8 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000667267 s, 6.1 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000453739 s, 9.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20