Add 'US11836083B2 - Memory Access Tracking using A Peripheral Device - Google Patents'

US11836083B2---Memory-Access-Tracking-using-A-Peripheral-Device---Google-Patents.md

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+<br>Computing techniques generally observe access to reminiscence pages by hardware or software program. Memory-page monitoring is beneficial in a wide variety of use-instances, e.g., in migration of Virtual Machines (VMs) between physical compute nodes, in page-swapping between a reminiscence and a storage machine, in varied caching schemes, to name only some examples. An embodiment of the current invention that's described herein provides a compute node together with a memory, a processor and a peripheral device. Direct Memory Access (DMA), and  [iTagPro tracker](https://valetinowiki.racing/wiki/User:JohnHarford) to notify the processor of the second reminiscence pages which are accessed using DMA. In nonetheless one other embodiment, the peripheral device is to notify the processor  [iTagPro features](https://morphomics.science/wiki/ITagPro_Tracker:_The_Ultimate_Bluetooth_Locator_Device) of the second reminiscence pages by reporting respective addresses of the second memory pages. Using a peripheral gadget, one or more second reminiscence pages are accessed immediately in the reminiscence utilizing Direct Memory Access (DMA), and the processor is notified of the second reminiscence pages which are accessed using DMA.<br>
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+<br>A number of reminiscence pages are accessed directly, the peripheral device utilizing Direct Memory Access (DMA), and the processor is notified of the memory pages which might be accessed utilizing DMA. FIG. 2 is a circulate chart that schematically illustrates a technique for  [iTagPro tracker](https://azena.co.nz/bbs/board.php?bo_table=free&wr_id=3853591) tracking memory pages, in accordance with an embodiment of the present invention. FIG. Three is a block diagram that schematically illustrates migration of a Virtual Machine (VM) between compute nodes, in accordance with an embodiment of the current invention. Embodiments of the current invention which can be described herein present improved strategies and programs for tracking reminiscence-web page access in a compute node. "dirty pages," and the 2 terms are used interchangeably herein. "dirty web page," and the definition of when a web page is now not thought-about soiled, may differ relying on the applying. CPU of the compute node. DMA into the CPU reminiscence. Such partial tracking of soiled pages is problematic and  [iTagPro tracker](https://pipewiki.org/wiki/index.php/Apple%E2%80%99s_New_Tile-like_Tracking_Device_Could_Be_Called_AirTags) will result in data inconsistency and suboptimal performance.<br>
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+<br>In this manner, the processor is able to completely observe all dirty pages in the memory, regardless of the entity that rendered these pages dirty. Several examples are described herein. FIG. 1 is a block diagram that schematically illustrates a compute node 20 that tracks dirty pages in accordance with an embodiment of the current invention. FIG. 1 is comparatively generic, within the sense that it isn't software-particular and is relevant to various varieties of compute nodes and peripheral units. Several concrete examples are described additional below. Compute node 20 might comprise, for instance, a server in an information middle,  [itagpro tracker](http://jinos.com/bbs/board.php?bo_table=free&wr_id=4265697) a workstation, or another suitable kind of compute node. Node 20 comprises a processor 24 and a memory 28 . 24 contains a Central Processing Unit (CPU), but the processor could alternatively comprise a Graphics Processing Unit (GPU) another suitable type of processor. Memory 28 contains a Random-Access Memory (RAM) in the present example, but might alternatively comprise any other appropriate sort of memory.<br>
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+<br>Node 20 further contains a peripheral device 32 that communicates with processor 24 and with memory 28 over a peripheral interface 36 . Peripheral gadget 32 might comprise, for example, a network adapter such as an Ethernet Network Interface Controller (NIC), an InfiniBand Host Channel Adapter (HCA), a sensible-NIC, an information Processing Unit (DPU), a network-enabled GPU, or any other suitable sort of network adapter. 32 may comprise a storage machine, reminiscent of a Solid-State Drive (SSD) or a Small Computer System Interface (SCSI) disk. Peripheral interface 36 may comprise, for example, a Peripheral Component Interconnect express (PCIe) bus. 24 runs software 40 that, amongst different tasks, accesses memory pages 44 in reminiscence 28 . Software 40 may comprise,  [ItagPro](http://knowledge.thinkingstorm.com/UserProfile/tabid/57/userId/2067218/Default.aspx) for example, a hypervisor, a number of VMs, one or more functions ("apps"), an OS, and/or  [iTagPro tracker](https://rentry.co/91965-teen-tracker-gps-tracking-devices-for-teen-drivers) any other appropriate sort of software program. Software forty may learn and/or write memory pages forty four , as acceptable. 44 are additionally referred to easily as "pages," for  [itagpro tracker](https://humanlove.stream/wiki/User:Davida38F243867) brevity.<br>