# ceilometer sample-list |grep memory |head -n2
| ecf8b74e-1d64-11e6-8fdc-6cb3113b5383 | 11bed162-473f-4119-bb68-3fce3bd13428                                  | memory.resident                 | gauge      | 348.0           | MB        | 2016-05-19T01:56:39.103000 |
| ecf5e7bc-1d64-11e6-8fdc-6cb3113b5383 | 11bed162-473f-4119-bb68-3fce3bd13428                                  | memory.usage                    | gauge      | 96.0            | MB        | 2016-05-19T01:56:39.085000 |


ComputeNode 에서의 해당 인스턴스 프로세서 점유율 확인
memory.resident = RSS
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
libvirt+ 11162  0.4  1.0 5758288 357236 ?      Sl    5월18   5:03 /usr/bin/qemu-system-x86_64 ...............

단위변환
357236 / 1024 = 348

※ 참고   http://elenoa.tistory.com/181