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Soft real-time application-oriented verification system under multi-core virtualized environment

A virtualized environment and verification system technology, applied in the field of verification systems for soft real-time applications, can solve the problems that the execution time limit of soft real-time tasks cannot be effectively guaranteed, and the support of soft real-time tasks is insufficient, so as to ensure correctness and effect of effectiveness

Inactive Publication Date: 2011-05-25
BEIHANG UNIV
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Problems solved by technology

[0004] However, because the existing multi-core virtualization platform does not fully support soft real-time tasks, taking Xen as an example, in the case of high system load, the execution time limit of soft real-time tasks cannot be effectively guaranteed. There is a method to analyze the bottleneck of soft real-time tasks in a multi-core virtualization environment according to the execution characteristics of soft real-time tasks. Therefore, the design method of soft real-time task environment in a multi-core virtualization environment is very necessary

Method used

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  • Soft real-time application-oriented verification system under multi-core virtualized environment

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Embodiment Construction

[0019] exist figure 1 In this scenario, the left side is composed of a group of data senders, and the right side is composed of a group of data receivers. The intermediate host is responsible for receiving the data sent by the data sender on the left and forwarding it to the corresponding data receiver on the right after processing. end. Both the data sending end and the data receiving end are ordinary computers, and the data transfer host is a multi-core virtualization environment. Each host realizes communication by connecting with a switch.

[0020] The data transmitted in the network is data in audio format. The source of audio data is one for each data sending end. In order to ensure the load of data transmission, the data sending end repeatedly sends the audio data at the same time. The data is transcoded and forwarded accordingly, and all forwarded messages are received at the data receiving end.

[0021] Modules at the data sending end such as figure 2 As shown, f...

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Abstract

The invention relates to a soft real-time application-oriented verification system under multi-core virtualized environment, which consists of a data receiving terminal, a data transfer host and a data sending terminal, wherein the data sending terminal consists of an audio data processing module, a message module and a data sending module; the data transfer host consists of a voice data processing module, a message module and a data transceiving module; the data receiving terminal consists of a data receiving module and an audio data processing module; and audio data is sent by the data sending terminal, is subjected to voice format conversion and forwarding at the data transfer host, and is received and stored finally by the data receiving terminal. In the system, the data transfer hostis in the multi-core virtualized environment, and the processing operation of the data transfer host meets the characteristic of soft real-time application, so the running characteristic of the soft real-time application under the multi-core virtualized environment is verified.

Description

technical field [0001] The invention relates to the field of virtual machines in a multi-core environment in computer science, in particular to a verification system for soft real-time applications. Background technique [0002] Virtualization technology provides effective management methods for server integration and data centers, and the transparency of various servers on the same physical platform makes full use of hardware resources. The development of multi-core technology has accelerated the deployment speed of servers, and the types of services have also been rapidly expanded. The current mainstream virtualization technologies, such as Xen, KVM, VMWARE, etc., provide good support for system isolation, CPU resource load balancing, and memory and disk management. At present, the rise and rapid development of cloud computing have brought new challenges to virtualization technology. Therefore, how to improve virtualization technology so that it can better support new ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/56G06F9/455H04L12/861
Inventor 白跃彬李智马耀张会永
Owner BEIHANG UNIV
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