== sanity test 46: dirtying a previously written page ========================================================================== 02:52:14 (1738482734)
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, 0.0051235 s, 799 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00878809 s, 466 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00199548 s, 2.1 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20