Histogram::getAverage returns u64, not double.
Histogram::getAverage returns u64, not double.

matrix207/RAMCloud,alexandermerritt/ramcloud,QingkaiLu/RAMCloud,jblomer/ramcloud,behnamm/cs244b_project,matrix207/RAMCloud,taschik/ramcloud,Frank-Wu/RamCloud,matrix207/RAMCloud,jcarreira/ramcloud,IMCG/RamCloud,y-higuchi/ramcloud,y-higuchi/ramcloud,SMatsushi/RAMCloud,IMCG/RamCloud,utah-scs/RAMCloud,anirajk/RAMCloud,SMatsushi/RAMCloud,matrix207/RAMCloud,QingkaiLu/RAMCloud,taschik/ramcloud,IMCG/RamCloud,SMatsushi/RAMCloud,DavidLi2010/ramcloud,alexandermerritt/ramcloud,jcarreira/ramcloud,rstutsman/RAMCloud,rstutsman/RAMCloud,taschik/ramcloud,mrdiegoa/ramcloud,behnamm/cs244b_project,DavidLi2010/ramcloud,mrdiegoa/ramcloud,y-higuchi/ramcloud,SMatsushi/RAMCloud,DavidLi2010/ramcloud,mrdiegoa/ramcloud,behnamm/cs244b_project,rstutsman/RAMCloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,DavidLi2010/ramcloud,jblomer/ramcloud,mrdiegoa/ramcloud,mrdiegoa/ramcloud,y-higuchi/ramcloud,IMCG/RamCloud,jcarreira/ramcloud,jblomer/ramcloud,jblomer/ramcloud,DavidLi2010/ramcloud,Frank-Wu/RamCloud,QingkaiLu/RAMCloud,utah-scs/RAMCloud,anirajk/RAMCloud,jcarreira/ramcloud,y-higuchi/ramcloud,QingkaiLu/RAMCloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,DavidLi2010/ramcloud,behnamm/cs244b_project,jblomer/ramcloud,utah-scs/RAMCloud,mrdiegoa/ramcloud,matrix207/RAMCloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,Frank-Wu/RamCloud,anirajk/RAMCloud,SMatsushi/RAMCloud,IMCG/RamCloud,behnamm/cs244b_project,matrix207/RAMCloud,anirajk/RAMCloud,rstutsman/RAMCloud,y-higuchi/ramcloud,rstutsman/RAMCloud,jblomer/ramcloud,Frank-Wu/RamCloud,IMCG/RamCloud,Frank-Wu/RamCloud,SMatsushi/RAMCloud,jcarreira/ramcloud,utah-scs/RAMCloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,alexandermerritt/ramcloud,taschik/ramcloud,jcarreira/ramcloud,alexandermerritt/ramcloud,taschik/ramcloud,behnamm/cs244b_project,rstutsman/RAMCloud,Frank-Wu/RamCloud