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1. 发明授权

US10248459B2 Operating system support for game mode 有权
公开(公告)号：US10248459B2
公开(公告)日：2019-04-02
申请号：US15199665
申请日：2016-06-30
申请人： Microsoft Technology Licensing, LLC
发明人： Gregory John Colombo , Logananth Seetharaman , Graham Wong , Mehmet Iyigun , Steven Michel Pronovost , Thomas Fahrig , Thobias Jones , Michael Charles Crandall , James Andrew Goossen
IPC分类号： G06F9/50 , G06F9/48 , G06F9/54
摘要： Embodiments disclosed herein are related to systems, methods, and computer readable medium for allocating one or more system resources for the exclusive use of an application. The embodiments include receiving a request for an exclusive allocation of one or more system resources for a first application, the one or more system resources being useable by the first application and one or more second applications; determining an appropriate amount of the one or more system resources that are to be allocated exclusively to the first application; and partitioning the one or more system resources into a first portion that is allocated for the exclusive use of the first application and a second portion that is not allocated for the exclusive use of the first application, the second portion being available for the use of the one or more second applications.

2. 发明授权

US09639292B2 Virtual machine trigger 有权
公开(公告)号：US09639292B2
公开(公告)日：2017-05-02
申请号：US14719312
申请日：2015-05-21
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F12/02 , G06F3/06 , G06F9/455 , G06F9/50
CPC分类号： G06F3/0644 , G06F9/45533 , G06F9/45558 , G06F9/5077 , G06F2009/45583
摘要： A computing system includes a parent partition, child partitions, a hypervisor, shared memories each associated with one of the child partitions, and trigger pages each associated with one of the child partitions. The hypervisor receives a system event signal from one of the child partitions and, in response to receiving the system event signal, accesses the trigger page associated with that child partition. The hypervisor determines whether the trigger page indicates whether data is available to be read from the shared memory associated with the child partition. The hypervisor can send an indication to either the parent partition or the child partitions that data is available to be read from the shared memory associated with the child partition if the hypervisor determines that the trigger page indicates that data is available to be read from the shared memory associated with the child partition.

3. 发明授权

US11103780B2 Saving and restoring virtual machine states and hardware states for application content 有权
公开(公告)号：US11103780B2
公开(公告)日：2021-08-31
申请号：US16774610
申请日：2020-01-28
申请人： Microsoft Technology Licensing, LLC
发明人： Mark James McNulty , Blaine Craig Hauglie , Paul Joseph Wolfteich , Thomas Fahrig , David Neil Cutler
IPC分类号： A63F13/49 , A63F13/70
摘要： The present disclosure relates to devices, methods, and computer-readable medium for saving and restoring physical hardware states and virtual machine (VM) states for an application actively being executed on a virtual machine by a user on a computer device. The devices, methods, and computer-readable medium may allow a user to suspend a current state of an application session and save the VM and memory state to persistent storage, and later resume the execution of the saved application session by reading the state back into memory and restoring the VM state.

4. 发明授权

US10185514B2 Virtual machine trigger 有权
公开(公告)号：US10185514B2
公开(公告)日：2019-01-22
申请号：US15474229
申请日：2017-03-30
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F12/02 , G06F3/06 , G06F9/455 , G06F9/50
摘要： A computing system includes a parent partition, child partitions, a hypervisor, shared memories each associated with one of the child partitions, and trigger pages each associated with one of the child partitions. The hypervisor receives a system event signal from one of the child partitions and, in response to receiving the system event signal, accesses the trigger page associated with that child partition. The hypervisor determines whether the trigger page indicates whether data is available to be read from the shared memory associated with the child partition. The hypervisor can send an indication to either the parent partition or the child partitions that data is available to be read from the shared memory associated with the child partition if the hypervisor determines that the trigger page indicates that data is available to be read from the shared memory associated with the child partition.

5. 发明申请

US20180157519A1 CONSOLIDATION OF IDLE VIRTUAL MACHINES 审中-公开
公开(公告)号：US20180157519A1
公开(公告)日：2018-06-07
申请号：US15728062
申请日：2017-10-09
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F9/455 , G06F9/50
CPC分类号： G06F9/45558 , G06F9/5077 , G06F9/5094 , G06F2009/45591 , Y02D10/22 , Y02D10/36
摘要： Idle virtual machine partitions in a virtualized computing environment are consolidated onto one or more idle logical processors. A hypervisor monitors the individual utilization of multiple virtual machine partitions in a computing environment and determines which virtual machine partitions are idle. The hypervisor also monitors the individual utilization of multiple logical processors in the computing environment and determines which logical processors are idle. The hypervisor schedules all of the idle virtual machine partitions on one or more of the idle logical processors. This can improve the performance for work-generating partitions and ensure compliance with service level agreements. At the same time, it can provide efficient power management in that is consolidates idle virtual machines onto a smaller subset of logical processors.

6. 发明申请

US20150254110A1 VIRTUAL MACHINE TRIGGER 有权
标题翻译：虚拟机触发器
公开(公告)号：US20150254110A1
公开(公告)日：2015-09-10
申请号：US14719312
申请日：2015-05-21
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F9/50 , G06F9/455
CPC分类号： G06F3/0644 , G06F9/45533 , G06F9/45558 , G06F9/5077 , G06F2009/45583
摘要： A computing system includes a parent partition, child partitions, a hypervisor, shared memories each associated with one of the child partitions, and trigger pages each associated with one of the child partitions. The hypervisor receives a system event signal from one of the child partitions and, in response to receiving the system event signal, accesses the trigger page associated with that child partition. The hypervisor determines whether the trigger page indicates whether data is available to be read from the shared memory associated with the child partition. The hypervisor can send an indication to either the parent partition or the child partitions that data is available to be read from the shared memory associated with the child partition if the hypervisor determines that the trigger page indicates that data is available to be read from the shared memory associated with the child partition.
摘要翻译：计算系统包括父分区，子分区，管理程序，每个与子分区之一相关联的共享存储器，以及每个与子分区之一相关联的触发页面。管理程序从一个子分区接收系统事件信号，并响应于接收到系统事件信号，访问与该子分区相关联的触发页面。管理程序确定触发页面是否指示是否可以从与子分区相关联的共享存储器读取数据。如果管理程序确定触发页面指示数据可从共享文件读取，虚拟机管理程序可以向父分区或子分区发送指示数据可用于从与子分区相关联的共享存储器读取的指示与子分区关联的内存。

7. 发明申请

US20160154666A1 Efficient Detection and Response to Spin Waits in Multi-Processor Virtual Machines 审中-公开
标题翻译：多处理器虚拟机中高效的检测和旋转等待响应
公开(公告)号：US20160154666A1
公开(公告)日：2016-06-02
申请号：US14945206
申请日：2015-11-18
申请人： Microsoft Technology Licensing, LLC
发明人： Yau Ning Chin , John Te-Jui Sheu , Arun Kishan , Thomas Fahrig
IPC分类号： G06F9/455
CPC分类号： G06F9/45558 , G06F9/45533 , G06F9/526 , G06F2009/4557
摘要： Various aspects are disclosed herein for attenuating spin waiting in a virtual machine environment comprising a plurality of virtual machines and virtual processors. Selected virtual processors can be given time slice extensions in order to prevent such virtual processors from becoming de-scheduled (and hence causing other virtual processors to have to spin wait). Selected virtual processors can also be expressly scheduled so that they can be given higher priority to resources, resulting in reduced spin waits for other virtual processors waiting on such selected virtual processors. Finally, various spin wait detection techniques can be incorporated into the time slice extension and express scheduling mechanisms, in order to identify potential and existing spin waiting scenarios.
摘要翻译：本文公开了用于在包括多个虚拟机和虚拟处理器的虚拟机环境中衰减自旋等待的各个方面。选定的虚拟处理器可以被给定时间片扩展，以防止这种虚拟处理器变得不被调度（并且因此导致其他虚拟处理器必须旋转等待）。也可以明确地调度所选择的虚拟处理器，使得它们可以被赋予更高的资源优先级，从而减少等待这些所选择的虚拟处理器的其他虚拟处理器的旋转等待。最后，各种旋转等待检测技术可以被并入到时间片扩展中并且表达调度机制，以便识别潜在的和现有的旋转等待场景。

8. 发明授权

US10691363B2 Virtual machine trigger 有权
公开(公告)号：US10691363B2
公开(公告)日：2020-06-23
申请号：US16254381
申请日：2019-01-22
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F12/02 , G06F3/06 , G06F9/455 , G06F9/50
摘要： A computing system includes a parent partition, child partitions, a hypervisor, shared memories each associated with one of the child partitions, and trigger pages each associated with one of the child partitions. The hypervisor receives a system event signal from one of the child partitions and, in response to receiving the system event signal, accesses the trigger page associated with that child partition. The hypervisor determines whether the trigger page indicates whether data is available to be read from the shared memory associated with the child partition. The hypervisor can send an indication to either the parent partition or the child partitions that data is available to be read from the shared memory associated with the child partition if the hypervisor determines that the trigger page indicates that data is available to be read from the shared memory associated with the child partition.

9. 发明申请

US20190227728A1 VIRTUAL MACHINE TRIGGER 审中-公开
公开(公告)号：US20190227728A1
公开(公告)日：2019-07-25
申请号：US16254381
申请日：2019-01-22
申请人： Microsoft Technology Licensing, LLC
发明人： Thomas Fahrig
IPC分类号： G06F3/06 , G06F9/50 , G06F9/455
CPC分类号： G06F3/0644 , G06F9/45533 , G06F9/45558 , G06F9/5077 , G06F2009/45583
摘要： A computing system includes a parent partition, child partitions, a hypervisor, shared memories each associated with one of the child partitions, and trigger pages each associated with one of the child partitions. The hypervisor receives a system event signal from one of the child partitions and, in response to receiving the system event signal, accesses the trigger page associated with that child partition. The hypervisor determines whether the trigger page indicates whether data is available to be read from the shared memory associated with the child partition. The hypervisor can send an indication to either the parent partition or the child partitions that data is available to be read from the shared memory associated with the child partition if the hypervisor determines that the trigger page indicates that data is available to be read from the shared memory associated with the child partition.

10. 发明申请

US20180321966A1 EFFICIENT DETECTION AND RESPONE TO SPIN WAITS IN MULTI-PROCESSOR VIRTUAL MACHINES 审中-公开
公开(公告)号：US20180321966A1
公开(公告)日：2018-11-08
申请号：US16031816
申请日：2018-07-10
申请人： Microsoft Technology Licensing, LLC
发明人： Yau Ning Chin , John Te-Jui Sheu , Arun Kishan , Thomas Fahrig , Rene Antonio Vega
IPC分类号： G06F9/455 , G06F9/52
CPC分类号： G06F9/45558 , G06F9/45533 , G06F9/526 , G06F2009/4557
摘要： Various aspects are disclosed herein for attenuating spin waiting in a virtual machine environment comprising a plurality of virtual machines and virtual processors. Selected virtual processors can be given time slice extensions in order to prevent such virtual processors from becoming de-scheduled (and hence causing other virtual processors to have to spin wait). Selected virtual processors can also be expressly scheduled so that they can be given higher priority to resources, resulting in reduced spin waits for other virtual processors waiting on such selected virtual processors. Finally, various spin wait detection techniques can be incorporated into the time slice extension and express scheduling mechanisms, in order to identify potential and existing spin waiting scenarios.

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