== sanity test 46: dirtying a previously written page ========================================================================== 03:29:05 (1713425345)
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, 0.00217551 s, 1.9 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0024621 s, 1.7 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000976276 s, 4.2 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20