== sanity test 46: dirtying a previously written page ========================================================================== 11:12:27 (1787843547) 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, 4.0 KiB) copied, 0.00860678 s, 476 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0135431 s, 302 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00326428 s, 1.3 MB/s vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30 vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30