Linux操作系统环境中的进程迁移算法研究

Linux操作系统环境中的进程迁移算法研究 Study of Process Migration Algorithm in Linux 邱毓兰 QIU Yu\|lan 1 1 2 first-author 刘智满 F.C.M.Lau 2 1 2 王卓立 C.L.Wang 2 1 2 彭德纯 PENG De\|chun 1 1 2 武汉大学软件工程国家重点实验室,武汉,430072 武汉大学软件工程国家重点实验室,武汉,430072 State Key Laboratory of Software Engineering,Wuhan University State Key Laboratory of Software Engineering,Wuhan University 香港大学计算机科学及资讯系,香港 香港大学计算机科学及资讯系,香港 Department of Computer Science and Information Systems,The University of Hongkong,Hongkong China Department of Computer Science and Information Systems,The University of Hongkong,Hongkong China 研究了在 Ｌｉｎｕｘ 操作系统环境中实现进程迁移的算法 其进程迁移工作分为两方：一方取出被迁出进程的数据传送出去；另一方则接收数据并恢复数据，使其成为一个可运行进程读取和恢复数据都涉及到进程的ｔａｓｋ 控制结构、进程核心栈、代码段、数据段及用户栈的内容这些内容都以页为单位放在内存，用虚拟内存管理方式进行管理 The paper mainly describes an algorithm of implementing process migration in Linux environment based on a PCs network.The migrating process is divided to two contexts:the first,data of migrated process in a Host are fetched out and transferred across the network;the second,these data are received by a destination node and resumed to setup a process,which can start to run from its interrupted\|point.The fetching and resumming data of a elected process both are concerned with the contents of task control structure,kernel stack,code segment,data segment and user stack of the process.These contents are placed in memory using page size and are administered in a vitural memory mode. LINUX 虚拟内存管理 进程迁移 物理页 LINUX management of virtual memory process migration physical page TP316 国家自然科学基金(61672102) 1999-03-01 2021-04-01 3