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Userspace Hypervisor Data Characterization in Virtualized Environment

机译:虚拟化环境中的用户空间虚拟机管理程序数据表征

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Memory-intensive applications have grown rapidly in order to adapt to the changing needs of businesses. Memory errors become even more concerning, since configuration at extended operating points makes hardware more susceptible to system failures. Some data structures may be more sensitive to errors and may cause system crashes more easily than others. A failure in a critical data structure can cause a complete system crash. In this paper, we propose a sensitivity characterization to the hypervisor structures. First, we implement an error-injection framework using Syscall ptrace. We profile both static and dynamic data structures through our framework. Then we provide the detailed analysis and data characterization to QEMU hypervisor. Finally, we discuss the checkpointing and selective mechanism in case the QEMU hypervisor crash.
机译:内存密集型应用程序已迅速增长,以适应企业不断变化的需求。内存错误变得更加有关,因为扩展操作点的配置使硬件更容易受到系统故障的影响。某些数据结构可能对错误更敏感,并且可能导致系统比其他系统更容易崩溃。关键数据结构中的失败可能导致完整的系统崩溃。在本文中,我们提出了对管理程序结构的敏感性表征。首先,我们使用Syscall Ptrace实现错误注入框架。我们通过我们的框架配置静态和动态数据结构。然后我们为QEMU虚拟机管理程序提供详细的分析和数据表征。最后,在QEMU管理程序崩溃的情况下讨论检查点和选择性机制。

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