== sanity test 46: dirtying a previously written page ========================================================================== 12:15:55 (1709054155)
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, 0.012804 s, 320 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00111219 s, 3.7 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0158855 s, 258 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20