== sanity test 46: dirtying a previously written page ========================================================================== 18:29:02 (1736983742)
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, 0.00218989 s, 1.9 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000735288 s, 5.6 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00069402 s, 5.9 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20