== sanity test 46: dirtying a previously written page ========================================================================== 03:45:25 (1711093525)
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, 0.00221293 s, 1.9 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00349915 s, 1.2 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000772457 s, 5.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20