== sanity test 46: dirtying a previously written page ========================================================================== 08:27:25 (1721219245)
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, 0.00397661 s, 1.0 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00379359 s, 1.1 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00113042 s, 3.6 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20