Fixed ServerTest::test_handleRpc_collectPerformanceInfo (RAM-130).
Fixed ServerTest::test_handleRpc_collectPerformanceInfo (RAM-130).

Using %i instead of %d because the perf counter might return either
hex or decimal values.

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