== sanity test 46: dirtying a previously written page ========================================================================== 16:43:21 (1746132201)
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, 0.0069365 s, 590 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00612434 s, 669 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00225931 s, 1.8 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20