It shows: # ./api/dirty-log-perf ERROR: ld.so: object '/usr/lib64/freetype-infinality/libfreetype.so.6' from LD_PRELOAD cannot be preloaded: ignored. dirty-log-perf: 1125899907104768 slot pages / 705429411956666420 mem pages terminate called after throwing an instance of 'errno_exception' what(): std::exception Aborted (core dumped) The reason is that it is fail to create memslot since some slots have overlap. I am not good at C++, it will be appreciated if someone can fix it. ;) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html