== sanity test 46: dirtying a previously written page ========================================================================== 17:00:12 (1746133212)
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, 0.00883726 s, 463 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0118038 s, 347 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00190092 s, 2.2 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20