== sanity test 46: dirtying a previously written page ========================================================================== 00:35:24 (1734672924)
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, 0.00799709 s, 512 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0096713 s, 424 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00147445 s, 2.8 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20