== sanity test 46: dirtying a previously written page ========================================================================== 16:55:31 (1743454531)
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, 0.00415285 s, 986 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00209535 s, 2.0 MB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.000984512 s, 4.2 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20