== sanity test 46: dirtying a previously written page ========================================================================== 08:52:39 (1747399959)
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, 0.00541684 s, 756 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00409704 s, 1000 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00101431 s, 4.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20