== sanity test 46: dirtying a previously written page ========================================================================== 15:10:39 (1746126639)
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, 0.0124013 s, 330 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00939654 s, 436 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00237769 s, 1.7 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20