== sanity test 46: dirtying a previously written page ========================================================================== 13:06:40 (1721408800)
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, 0.00241387 s, 1.7 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00275691 s, 1.5 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000990076 s, 4.1 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20