== sanity test 46: dirtying a previously written page ========================================================================== 08:36:00 (1748867760)
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, 0.0152413 s, 269 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00655147 s, 625 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00151151 s, 2.7 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20