== sanity test 46: dirtying a previously written page ========================================================================== 13:20:10 (1743528010)
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, 0.00358663 s, 1.1 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0034362 s, 1.2 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00125696 s, 3.3 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20