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    Scheduling a processor to support efficient migration of a virtual machine
    13.
    发明授权
    Scheduling a processor to support efficient migration of a virtual machine 有权
    计划处理器以支持虚拟机的高效迁移

    公开(公告)号：US09052949B2

    公开(公告)日：2015-06-09

    申请号：US13529921

    申请日：2012-06-21

    Applicant: Gabriel Tarasuk-Levin ,  Rajesh Venkatasubramanian

    Inventor： Gabriel Tarasuk-Levin ,  Rajesh Venkatasubramanian

    IPC: G06F15/173 ,  G06F9/48 ,  G06F9/455

    CPC classification number: G06F9/4856 ,  G06F9/45558 ,  G06F2009/4557

    Abstract: A virtualized computer system implements a process to migrate a virtual machine (VM) from a source host to a destination host. During this process, a processing unit at the source host, which is executing instructions of the VM, is scheduled so that the rate of modification of guest physical memory pages is reduced. The determination of when to schedule the processing unit in this manner may be made based on a current rate of modification of the pages, a transmission rate of guest physical memory pages from the source host to the destination host, or a prior VM migration performance.

    Abstract translation: 虚拟化计算机系统实现将虚拟机（VM）从源主机迁移到目标主机的过程。 在该过程中，调度正在执行VM的指令的源主机处理单元，以便减少访客物理存储器页面的修改速率。 以这种方式调度处理单元的时间的确定可以基于页面的当前修改速率，来自源主机到目的地主机的访客物理存储器页面的传输速率或先前的VM迁移性能来进行。

    SCHEDULING A PROCESSOR TO SUPPORT EFFICIENT MIGRATION OF A VIRTUAL MACHINE
    14.
    发明申请
    SCHEDULING A PROCESSOR TO SUPPORT EFFICIENT MIGRATION OF A VIRTUAL MACHINE 有权
    调度一个处理器来支持虚拟机的有效迁移

    公开(公告)号：US20130346613A1

    公开(公告)日：2013-12-26

    申请号：US13529921

    申请日：2012-06-21

    Applicant: Gabriel TARASUK-LEVIN ,  Rajesh Venkatasubramanian

    Inventor： Gabriel TARASUK-LEVIN ,  Rajesh Venkatasubramanian

    IPC: G06F9/455 ,  G06F15/173

    CPC classification number: G06F9/4856 ,  G06F9/45558 ,  G06F2009/4557

    Abstract: A virtualized computer system implements a process to migrate a virtual machine (VM) from a source host to a destination host. During this process, a processing unit at the source host, which is executing instructions of the VM, is scheduled so that the rate of modification of guest physical memory pages is reduced. The determination of when to schedule the processing unit in this manner may be made based on a current rate of modification of the pages, a transmission rate of guest physical memory pages from the source host to the destination host, or a prior VM migration performance.

    Abstract translation: 虚拟化计算机系统实现将虚拟机（VM）从源主机迁移到目标主机的过程。 在该过程中，调度正在执行VM的指令的源主机处理单元，以便减少访客物理存储器页面的修改速率。 以这种方式调度处理单元的时间的确定可以基于页面的当前修改速率，来自源主机到目的地主机的访客物理存储器页面的传输速率或先前的VM迁移性能来进行。

    EFFICIENT ONLINE CONSTRUCTION OF MISS RATE CURVES
    15.
    发明申请
    EFFICIENT ONLINE CONSTRUCTION OF MISS RATE CURVES 有权
    有效的在线建设的速率曲线

    公开(公告)号：US20120117299A1

    公开(公告)日：2012-05-10

    申请号：US12942765

    申请日：2010-11-09

    Applicant: Carl A. WALDSPURGER ,  Rajesh VENKATASUBRAMANIAN ,  Alexander Thomas GARTHWAITE ,  Yury BASKAKOV ,  Puneet ZAROO

    Inventor： Carl A. WALDSPURGER ,  Rajesh VENKATASUBRAMANIAN ,  Alexander Thomas GARTHWAITE ,  Yury BASKAKOV ,  Puneet ZAROO

    IPC: G06F12/12 ,  G06F12/10

    CPC classification number: G06F12/122 ,  G06F9/45558 ,  G06F11/3471 ,  G06F12/123 ,  G06F2009/45583 ,  G06F2201/815 ,  G06F2201/88

    Abstract: Miss rate curves are constructed in a resource-efficient manner so that they can be constructed and memory management decisions can be made while the workloads are running. The resource-efficient technique includes the steps of selecting a subset of memory pages for the workload, maintaining a least recently used (LRU) data structure for the selected memory pages, detecting accesses to the selected memory pages and updating the LRU data structure in response to the detected accesses, and generating data for constructing a miss-rate curve for the workload using the LRU data structure. After a memory page is accessed, the memory page may be left untraced for a period of time, after which the memory page is retraced.

    Abstract translation: 错误率曲线以资源有效的方式构建，以便可以构建它们，并且可以在工作负载运行时进行内存管理决策。 资源有效的技术包括以下步骤：为工作负载选择存储器页面的子集，维护所选择的存储器页面的最近最少使用的（LRU）数据结构，检测对所选择的存储器页面的访问以及响应地更新LRU数据结构 并且使用LRU数据结构生成用于构建工作负载的错过率曲线的数据。 在访问存储器页面之后，存储器页面可以保持未被跟踪一段时间，之后再回读存储器页面。

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