计算机科学 ›› 2014, Vol. 41 ›› Issue (9): 32-37.doi: 10.11896/j.issn.1002-137X.2014.09.005
杨良怀,朱红燕
YANG Liang-huai and ZHU Hong-yan
摘要： 功率剖析与建模是功率感知DBMS的基础。将主要硬件(处理器与磁盘)的利用率作为系统功率的指示器,根据资源利用率实时地估计系统功率,构建整机系统的实时功率模型。在多核架构下,整体CPU的活动信息会掩盖单个核的使用情况,因此,从执行核粒度考察执行频率与利用率的综合影响,采用多元线性回归方法拟合执行核的执行频率和利用率、磁盘的利用率和系统功率之间的关系。实验结果显示,所构模型平均相对误差小于12%,且占用系统资源较少,从而不会影响其他应用程序的执行,具有较好的应用价值。
| [1] Wu C F．Making a case for efficient supercomputing [J]．Queue,2003,1(7):54-64 [2] Heng Z,Ellis C S,Lebeck A R,et al．ECOSystem:managing e-nergy as a first class operating system resource[J]．SIGARCH Comput．Archi．News,2002,30(5):123-132 [3] Agrawal R,Ailamaki A,Bernstein P A,et al．The Claremont report on database research[J]．SIGMOD Record,2008,37(3):9-19 [4] Flinn J,Satyanarayanan M．Energy-aware adaptation for mobileapplications[C]∥Proceedings of the ACM symposium on Opera-ting systems principles．1999:48-63 [5] Bellosa F．The benefits of event-driven energy accounting inpower-sensitive systems[C]∥Proceedings of the Workshop on ACM SIGOPS．2000:37-42 [6] Li T,John L K．Run-time modeling and estimation of operating system power consumption[C]∥Proceedings of the ACM International Conference on Measurement and Modeling of Computer Systems．2003:160-171 [7] Bircher W L,John LK．Complete System Power Estimation:A Trickle-Down Approach Based on Performance Events[C]∥Performance Analysis of Systems & Software．2007:158-168 [8] Economou D,Rivoire S,Kozyrakis C．Full-system power analysis and modeling for server environments[C]∥Workshop on Modeling,Benchmarking and Simulation．2006 [9] Do T,Rawshdeh S,Shi W S．pTop:A process-level power profiling tool[C]∥Proceedings of the Workshop on Power Aware Computing and Systems．2009 [10] Chen H,Li Y,Shi W S．Fine-grained power management using process-level profiling[J]．Sustainable Computing:Informatics and Systems,2012,2(1):33-42 [11] 李晓,李战怀,刘文洁,等.计算机系统实时估算方法:中国,CN102221874 A[P]．http://www.google.com/patents/CN102221874A?cl=zh,2011-10-19 [12] Laudon J．Performance/Watt:The New Server Focus[J]．SIGARCH Computer Architecture News,2005,33(4):5-13 [13] Geer D．Chip makers turn to multicore processors[J]．Computer & Processing,2005,38(5):11-13 [14] Bostoen T,Mullender S,Berbers Y．Power-Reduction Tech-niques for Data-Center Storage Systems[J]．ACM Comput．Surv．,2013,45(3):1-38 [15] Clam AntiVirus．http://www.clamav.net/ |
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