== sanity test 46: dirtying a previously written page ========================================================================== 14:25:30 (1713291930)
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, 0.00501027 s, 818 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00823155 s, 498 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00215035 s, 1.9 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20