== sanity test 46: dirtying a previously written page ========================================================================== 06:18:23 (1744021103)
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, 0.00311112 s, 1.3 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00293901 s, 1.4 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00106764 s, 3.8 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20