== sanity test 46: dirtying a previously written page ========================================================================== 15:55:53 (1746129353)
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, 0.00478091 s, 857 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0044183 s, 927 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00282817 s, 1.4 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20