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公开(公告)号：US08819699B2
公开(公告)日：2014-08-26
申请号：US11618446
申请日：2006-12-29
CPC分类号： G06F9/45558 , G06F2009/45566
摘要： Embodiments of apparatuses, methods, and systems for controlling virtual machines based on performance counters are disclosed. In one embodiment, an apparatus includes an event counter, a comparator, and virtualization control logic. The event counter is to keep an event count based on the number of occurrences of an event. The comparator is to determine whether the event count has reached a threshold value. The virtualization control logic is to transfer control of the apparatus from a guest to a host in response to the comparator determining that the event count has reached the threshold value.
摘要翻译： 公开了用于基于性能计数器来控制虚拟机的设备，方法和系统的实施例。 在一个实施例中，装置包括事件计数器，比较器和虚拟化控制逻辑。 事件计数器是根据事件的发生次数来保持事件计数。 比较器是确定事件计数是否达到阈值。 响应于比较器确定事件计数已经达到阈值，虚拟化控制逻辑是将设备从客户机的控制传送到主机。
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公开(公告)号：US08286162B2
公开(公告)日：2012-10-09
申请号：US11323114
申请日：2005-12-30
申请人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
发明人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
CPC分类号： G06F13/24 , G06F9/45533 , G06F9/4812
摘要： Embodiments of apparatuses, methods, and systems for delivering an interrupt to a virtual processor are disclosed. In one embodiment, an apparatus includes an interface to receive an interrupt request, delivery logic, and exit logic. The delivery logic is to determine, based on an attribute of the interrupt request, whether the interrupt request is to be delivered to the virtual processor. The exit logic is to transfer control to a host if the delivery logic determines that the interrupt request is not to be delivered to the virtual processor.
摘要翻译： 公开了用于向虚拟处理器递送中断的装置，方法和系统的实施例。 在一个实施例中，装置包括用于接收中断请求，传递逻辑和退出逻辑的接口。 交付逻辑是基于中断请求的属性来确定中断请求是否被传送到虚拟处理器。 如果传递逻辑确定中断请求不被传送到虚拟处理器，则出口逻辑是将控制传送到主机。
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公开(公告)号：US08938737B2
公开(公告)日：2015-01-20
申请号：US13605412
申请日：2012-09-06
申请人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
发明人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
CPC分类号： G06F13/24 , G06F9/45533 , G06F9/4812
摘要： Embodiments of apparatuses, methods, and systems for delivering an interrupt to a virtual processor are disclosed. In one embodiment, an apparatus includes an interface to receive an interrupt request, delivery logic, and exit logic. The delivery logic is to determine, based on an attribute of the interrupt request, whether the interrupt request is to be delivered to the virtual processor. The exit logic is to transfer control to a host if the delivery logic determines that the interrupt request is not to be delivered to the virtual processor.
摘要翻译： 公开了用于向虚拟处理器递送中断的装置，方法和系统的实施例。 在一个实施例中，装置包括用于接收中断请求，传递逻辑和退出逻辑的接口。 交付逻辑是基于中断请求的属性来确定中断请求是否被传送到虚拟处理器。 如果传递逻辑确定中断请求不被传送到虚拟处理器，则出口逻辑是将控制传送到主机。
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公开(公告)号：US20120331467A1
公开(公告)日：2012-12-27
申请号：US13605412
申请日：2012-09-06
申请人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
发明人： Gilbert Neiger , Rajesh Sankaran Madukkarumukumana , Richard A. Uhlig , Udo Steinberg , Sebastian Schoenberg , Sridhar Muthrasanallur , Steven M. Bennett , Andrew V. Anderson , Erik C. Cota-Robles
IPC分类号： G06F9/455
CPC分类号： G06F13/24 , G06F9/45533 , G06F9/4812
摘要： Embodiments of apparatuses, methods, and systems for delivering an interrupt to a virtual processor are disclosed. In one embodiment, an apparatus includes an interface to receive an interrupt request, delivery logic, and exit logic. The delivery logic is to determine, based on an attribute of the interrupt request, whether the interrupt request is to be delivered to the virtual processor. The exit logic is to transfer control to a host if the delivery logic determines that the interrupt request is not to be delivered to the virtual processor.
摘要翻译： 公开了用于向虚拟处理器递送中断的装置，方法和系统的实施例。 在一个实施例中，装置包括用于接收中断请求，传递逻辑和退出逻辑的接口。 交付逻辑是基于中断请求的属性来确定中断请求是否被传送到虚拟处理器。 如果传递逻辑确定中断请求不被传送到虚拟处理器，则出口逻辑是将控制传送到主机。
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公开(公告)号：US07886293B2
公开(公告)日：2011-02-08
申请号：US10886422
申请日：2004-07-07
申请人： Andrew V. Anderson , Steven M. Bennett , Erik C. Cota-Robles , Stalinselvaraj Jeyasingh , Alain Kägi , Michael A. Goldsmith , Sebastian Schoenberg , Richard Uhlig
发明人： Andrew V. Anderson , Steven M. Bennett , Erik C. Cota-Robles , Stalinselvaraj Jeyasingh , Alain Kägi , Michael A. Goldsmith , Sebastian Schoenberg , Richard Uhlig
IPC分类号： G06F9/455
CPC分类号： G06F9/45533 , G06F11/0712 , G06F11/0766
摘要： In one embodiment, the present invention includes a method of transitioning control to guest software in a virtual machine from a virtual machine monitor, receiving control following a transition from the virtual machine to the virtual machine monitor upon an event, and determining whether to modify a state of the guest code, a state of the virtual machine monitor or a state of controls. If such a determination is made, the state may be modified and control is transitioned back to the guest software.
摘要翻译： 在一个实施例中，本发明包括一种从虚拟机监视器向虚拟机中的客户软件转换控制的方法，在事件之后从虚拟机向虚拟机监视器转换后接收控制，并且确定是否修改 客户代码的状态，虚拟机监视的状态或控制状态。 如果做出这样的决定，则可以修改状态并将控制转换回客户软件。
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公开(公告)号：US20080163254A1
公开(公告)日：2008-07-03
申请号：US11618446
申请日：2006-12-29
IPC分类号： G06F3/00
CPC分类号： G06F9/45558 , G06F2009/45566
摘要： Embodiments of apparatuses, methods, and systems for controlling virtual machines based on performance counters are disclosed. In one embodiment, an apparatus includes an event counter, a comparator, and virtualization control logic. The event counter is to keep an event count based on the number of occurrences of an event. The comparator is to determine whether the event count has reached a threshold value. The virtualization control logic is to transfer control of the apparatus from a guest to a host in response to the comparator determining that the event count has reached the threshold value.
摘要翻译： 公开了用于基于性能计数器来控制虚拟机的设备，方法和系统的实施例。 在一个实施例中，装置包括事件计数器，比较器和虚拟化控制逻辑。 事件计数器是根据事件的发生次数来保持事件计数。 比较器是确定事件计数是否达到阈值。 响应于比较器确定事件计数已经达到阈值，虚拟化控制逻辑是将设备从客户机的控制传送到主机。
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公开(公告)号：US20140053155A1
公开(公告)日：2014-02-20
申请号：US14060947
申请日：2013-10-23
IPC分类号： G06F9/455
CPC分类号： G06F9/45533 , G06F9/455 , G06F9/45558 , G06F9/46 , G06F9/461 , G06F9/462 , G06F9/468 , G06F11/3409 , G06F11/3466 , G06F11/348 , G06F2009/45591 , G06F2201/815 , G06F2201/86 , G06F2201/88 , G06F2201/885
摘要： Embodiments of apparatuses, methods, and systems for virtualizing performance counters are disclosed. In one embodiment, an apparatus includes a counter, a counter enable storage location, counter enable logic, and virtual machine control logic. The counter enable storage location is to store a counter enable indicator. The counter enable logic is to enable the counter based on the counter enable indicator. The virtual machine control logic is to transfer control of the apparatus to a guest. The virtual machine control logic includes guest state load logic to cause a guest value from a virtual machine control structure to be loaded into the counter enable storage location in connection with a transfer of control of the apparatus to the guest.
摘要翻译： 公开了用于虚拟化性能计数器的装置，方法和系统的实施例。 在一个实施例中，装置包括计数器，计数器使能存储位置，计数器使能逻辑和虚拟机器控制逻辑。 计数器使能存储位置是存储计数器使能指示符。 计数器使能逻辑是基于计数器使能指示器启用计数器。 虚拟机控制逻辑是将设备的控制传送给客人。 虚拟机控制逻辑包括客户端状态负载逻辑，以使来自虚拟机控制结构的客户值被加载到计数器使能存储位置中，并将该设备的控制转移给客户端。
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8.发明授权Support for transitioning to a virtual machine monitor based upon the privilege level of guest software 有权支持基于访客软件的权限级别转换到虚拟机监视器公开(公告)号：US07802250B2
公开(公告)日：2010-09-21
申请号：US10880057
申请日：2004-06-28
申请人： Volkmar Uhlig , Steven M. Bennett , Erik C. Cota-Robles , Sebastian S. Schoenberg , Andrew V. Anderson , Richard A. Uhlig , Gilbert Neiger
发明人： Volkmar Uhlig , Steven M. Bennett , Erik C. Cota-Robles , Sebastian S. Schoenberg , Andrew V. Anderson , Richard A. Uhlig , Gilbert Neiger
IPC分类号： G06F9/455
CPC分类号： G06F9/45533
摘要： A system and method for allowing a virtual machine monitor to assume control of a system when the current privilege level of guest software meets a privilege level exiting criteria. The processor detects that the current privilege level meets the criteria and then transfers control from the guest software to the virtual machine monitor. The virtual machine monitor may decline to assume control for certain privilege level changes or values.
摘要翻译： 当客户软件的当前特权级别满足退出标准的特权级别时，允许虚拟机监视器控制系统的系统和方法。 处理器检测到当前特权级别符合条件，然后将控制从客户软件传输到虚拟机监视器。 虚拟机监视器可能会拒绝对某些特权级别更改或值进行控制。
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公开(公告)号：US20080040715A1
公开(公告)日：2008-02-14
申请号：US11501632
申请日：2006-08-08
IPC分类号： G06F9/455
CPC分类号： G06F9/45533 , G06F9/455 , G06F9/45558 , G06F9/46 , G06F9/461 , G06F9/462 , G06F9/468 , G06F11/3409 , G06F11/3466 , G06F11/348 , G06F2009/45591 , G06F2201/815 , G06F2201/86 , G06F2201/88 , G06F2201/885
摘要： Embodiments of apparatuses, methods, and systems for virtualizing performance counters are disclosed. In one embodiment, an apparatus includes a counter, a counter enable storage location, counter enable logic, and virtual machine control logic. The counter enable storage location is store a counter enable indicator. The counter enable logic is to enable the counter, based on the counter enable indicator. The virtual machine control logic is to transfer control of the apparatus to a guest. The virtual machine control logic includes guest state load logic to cause a guest value from a virtual machine control structure to be loaded into the counter enable storage location in connection with a transfer of control of the apparatus to a guest.
摘要翻译： 公开了用于虚拟化性能计数器的装置，方法和系统的实施例。 在一个实施例中，装置包括计数器，计数器使能存储位置，计数器使能逻辑和虚拟机器控制逻辑。 计数器使能存储位置存储计数器使能指示。 计数器使能逻辑是基于计数器使能指示器启用计数器。 虚拟机控制逻辑是将设备的控制传送给客人。 虚拟机控制逻辑包括客户端状态负载逻辑，以使来自虚拟机控制结构的客户值被加载到计数器使能存储位置，结合将设备的控制转移给客户机。
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公开(公告)号：US08607228B2
公开(公告)日：2013-12-10
申请号：US11501632
申请日：2006-08-08
CPC分类号： G06F9/45533 , G06F9/455 , G06F9/45558 , G06F9/46 , G06F9/461 , G06F9/462 , G06F9/468 , G06F11/3409 , G06F11/3466 , G06F11/348 , G06F2009/45591 , G06F2201/815 , G06F2201/86 , G06F2201/88 , G06F2201/885
摘要： Embodiments of apparatuses, methods, and systems for virtualizing performance counters are disclosed. In one embodiment, an apparatus includes a counter, a counter enable storage location, counter enable logic, and virtual machine control logic. The counter enable storage location is store a counter enable indicator. The counter enable logic is to enable the counter, based on the counter enable indicator. The virtual machine control logic is to transfer control of the apparatus to a guest. The virtual machine control logic includes guest state load logic to cause a guest value from a virtual machine control structure to be loaded into the counter enable storage location in connection with a transfer of control of the apparatus to a guest.
摘要翻译： 公开了用于虚拟化性能计数器的装置，方法和系统的实施例。 在一个实施例中，装置包括计数器，计数器使能存储位置，计数器使能逻辑和虚拟机器控制逻辑。 计数器使能存储位置存储计数器使能指示。 计数器使能逻辑是基于计数器使能指示器启用计数器。 虚拟机控制逻辑是将设备的控制传送给客人。 虚拟机控制逻辑包括客户端状态负载逻辑，以使来自虚拟机控制结构的客户值被加载到计数器使能存储位置，结合将设备的控制转移给客户机。
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