== sanity test 46: dirtying a previously written page ========================================================================== 02:36:31 (1727764591)
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, 0.00744304 s, 550 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00729291 s, 562 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00557918 s, 734 kB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20