== sanity test 46: dirtying a previously written page ========================================================================== 02:59:56 (1727765996)
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, 0.00737545 s, 555 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00733983 s, 558 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00238189 s, 1.7 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20