== sanity test 46: dirtying a previously written page ========================================================================== 08:43:15 (1743511395)
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, 0.0029604 s, 1.4 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00411446 s, 996 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000817605 s, 5.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20