== sanity test 46: dirtying a previously written page ========================================================================== 05:30:31 (1744536631)
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, 0.00319653 s, 1.3 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00294955 s, 1.4 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000951516 s, 4.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20