| 虚拟机陷出的检测及分析 |
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| 引用本文： | 汪小林,张彬彬,靳辛欣,王振林,罗英伟,李晓明. 虚拟机陷出的检测及分析[J]. 计算机科学与探索, 2011, 5(6): 493-500 |
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| 作者姓名： | 汪小林 张彬彬 靳辛欣 王振林 罗英伟 李晓明 |
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| 作者单位： | 1. 北京大学信息科学技术学院,北京,100871
2. 密西根理工大学计算机系,美国密西根州49931-1295 |
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| 基金项目： | 60873052,the National Grand Basic Research 973 Program of China under Grant No.2007CB310900(国家重点基础研究发展规划,the National High-Tech Research and Development of China under Grant No.2008AA01Z112(国家高技术研究发展计划,the MOE-Intel Information Technology Foundation under Grant No.MOE-INTEL-10-06 |
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| 摘 要： | 虚拟机执行敏感指令时会陷出到虚拟机管理器(virtual machine monitor,VMM)处理,虚拟机频繁陷出是影响虚拟化性能的重要因素,因此全面了解导致陷出的敏感指令对虚拟化性能优化有重要意义。提出了一个创新性的方法"桶竞争法"(competition in bucket method,CBM),通过把敏感指令的地址映射到不同的桶中,采用竞争方式在各个桶内寻找陷出次数最多的几个地址,能高效地跟踪所有的虚拟机陷出。
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| 关 键 词： | 虚拟化 虚拟机管理器(VMM) 热指令 虚拟机陷出 桶竞争法(CBM) |
| 修稿时间： | |
Detection and Analysis of Virtual Machine Exits |
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| WANG Xiaolin,ZHANG Binbin,JIN Xinxin,WANG Zhenlin,LUO Yingwei,LI Xiaoming. Detection and Analysis of Virtual Machine Exits[J]. Journal of Frontier of Computer Science and Technology, 2011, 5(6): 493-500 |
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| Authors: | WANG Xiaolin ZHANG Binbin JIN Xinxin WANG Zhenlin LUO Yingwei LI Xiaoming |
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| Affiliation: | 1. School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China 2. Department of Computer Science, Michigan Technological University, Michigan 49931-1295, USA |
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| Abstract: | It’s essential to learn about sensitive instructions that cause virtual machine (VM) to exit to the virtual machine monitor (VMM) to find new ways to optimize the performance of VM. This paper proposes a novel method, competition in bucket method (CBM), to track all VM exits efficiently, by mapping sensitive instructions to buckets according to instruction addresses, and find out hot instructions in each bucket. |
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| Keywords: | virtualization virtual machine monitor (VMM) hot instructions virtual machine exits competition in bucket method (CBM) |
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