== sanity test 46: dirtying a previously written page ========================================================================== 23:50:31 (1746157831)
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, 0.00542496 s, 755 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00637561 s, 642 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00285874 s, 1.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20