== sanity test 46: dirtying a previously written page ========================================================================== 03:06:40 (1733645200)
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, 0.00412197 s, 994 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00562577 s, 728 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.001311 s, 3.1 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20