== sanity test 46: dirtying a previously written page ========================================================================== 15:08:52 (1746126532)
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, 0.0181744 s, 225 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00284089 s, 1.4 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00469109 s, 873 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20