APPARATUS AND METHOD FOR TRACING MEMORY ACCESS INFORMATION
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    发明申请
    APPARATUS AND METHOD FOR TRACING MEMORY ACCESS INFORMATION 有权
    跟踪记忆访问信息的装置和方法

    公开(公告)号:US20120124429A1

    公开(公告)日:2012-05-17

    申请号:US13192667

    申请日:2011-07-28

    IPC分类号: G06F11/34

    摘要: An apparatus and method for tracing memory access information of a user program while ensuring a normal operation of the user program. An access permission about a memory region may be set to trace the memory access information. An instruction of the user program encounters a page fault according to the set access permission. If the page fault occurs, memory access information is stored based on the page fault, and apparatus executes an instruction causing the page fault while in a supervisor mode.

    摘要翻译: 一种用于在确保用户程序的正常操作的同时跟踪用户程序的存储器访问信息的装置和方法。 可以设置关于存储器区域的访问许可以跟踪存储器访问信息。 用户程序的指令根据设置的访问权限遇到页面错误。 如果发生页面错误,则基于页面错误存储存储器访问信息,并且在管理程序模式下,设备执行引起页面错误的指令。