== sanity test 46: dirtying a previously written page ========================================================================== 23:23:17 (1746156197)
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, 0.0118767 s, 345 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00829849 s, 494 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00196339 s, 2.1 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20