== sanity test 46: dirtying a previously written page ========================================================================== 23:08:37 (1739506117)
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, 0.00515179 s, 795 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0101612 s, 403 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00278079 s, 1.5 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20