== sanity test 46: dirtying a previously written page ========================================================================== 19:41:24 (1746142884)
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, 0.00570523 s, 718 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0152966 s, 268 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0028526 s, 1.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20