== sanity test 46: dirtying a previously written page ========================================================================== 17:47:39 (1746136059)
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, 0.00895945 s, 457 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0196408 s, 209 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00317768 s, 1.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20