== sanity test 46: dirtying a previously written page ========================================================================== 05:58:39 (1744538319)
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, 0.00489872 s, 836 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00838303 s, 489 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00164366 s, 2.5 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20