I try to disable haswell cache prefetcher, but there is no options in the BIOS. I also try to use wrmsr command to set 0x1a0 register the bit 9 to be 1 to disable the cache prefetcher, but failed.
# rdmsr 0x1a0
#wrmsr -p 0 0x1a0 0x850289
wrmsr: CPU 0 cannot set MSR 0x000001a0 to 0x0000000000850289