== sanity test 46: dirtying a previously written page ========================================================================== 00:33:36 (1708839216)
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, 0.00230929 s, 1.8 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00252092 s, 1.6 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000734946 s, 5.6 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20