== sanity test 46: dirtying a previously written page ========================================================================== 17:44:16 (1746135856)
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, 0.00899375 s, 455 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0234519 s, 175 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00216007 s, 1.9 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20