== sanity test 46: dirtying a previously written page ========================================================================== 23:10:01 (1735099801)
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, 0.00243545 s, 1.7 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00423444 s, 967 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00149934 s, 2.7 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20