== sanity test 46: dirtying a previously written page ========================================================================== 00:42:30 (1788669750)
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, 4.0 KiB) copied, 0.00987726 s, 415 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00767711 s, 534 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00812337 s, 504 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 30