== sanity test 46: dirtying a previously written page ========================================================================== 09:31:09 (1748871069)
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, 0.00306174 s, 1.3 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00507482 s, 807 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000856593 s, 4.8 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20