== sanity test 46: dirtying a previously written page ========================================================================== 08:51:20 (1747399880)
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, 0.00598463 s, 684 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00338332 s, 1.2 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00183641 s, 2.2 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20