== sanity test 46: dirtying a previously written page ========================================================================== 17:06:54 (1746133614)
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, 0.00415061 s, 987 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00599837 s, 683 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00169586 s, 2.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20