== sanity test 46: dirtying a previously written page ========================================================================== 18:46:51 (1736984811)
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, 0.00739654 s, 554 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00477809 s, 857 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000714238 s, 5.7 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20