| 并行调试环境中的追踪和重演 |
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| 引用本文： | 张钦伍,张柳.并行调试环境中的追踪和重演[J].国防科技大学学报,1998,20(6):33-36. |
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| 作者姓名： | 张钦伍 张柳 |
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| 作者单位： | 长沙国防科技大学计算机系(张钦伍)，石家庄军械工程学院维修工程研究所(张柳) |
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| 摘 要： | 通过传递消息进行通信的并行程序，由于受进程调度和消息等待时间变化的影响，其执行结果可能是不确定的。这导致调试时相继执行不能再现先前的故障，为此，在并行调试环境中引入了追踪和重演机制。本文详细讨论了一种比较先进的追踪和重演算法及其工程实现。
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| 关 键 词： | 并行调试，追踪，重演 |
| 收稿时间： | 4/5/1998 12:00:00 AM |
Tracing and Replaying in Parallel Debugging Environments |
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| Zhang Qinwu and Zhang Liu.Tracing and Replaying in Parallel Debugging Environments[J].Journal of National University of Defense Technology,1998,20(6):33-36. |
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| Authors: | Zhang Qinwu and Zhang Liu |
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| Institution: | 1.Department of Computer, NUDT, Changsha, 410073;2.Maintenance Engineering Institute, Ordnance Engineering College, Shijiazhuang, 050003 |
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| Abstract: | Executing result of parallel programs which communicate by passing messages,can be nondeterministic due to variations in process scheduling and message latencies.Such nondeterminacy can cause serious problems while debugging:subsequent executions of the program may not reproduce the original bug.Therefore,a tracing and replaying mechanism is introduced into parallel debugging environments.This paper discussed an advanced algorithm for tracing and replaying,and its implementation. |
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| Keywords: | parallel debugging tracing replaying |
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