== sanity test 46: dirtying a previously written page ========================================================================== 01:07:10 (1746162430)
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, 0.00869609 s, 471 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.0148602 s, 276 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00256077 s, 1.6 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20