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首页> 外文会议>IFIP(International Federation for Information Processing) WG 10.2 International Workshop on Software Technologies for Embedded and Ubiquitous Systems(SEUS 2007); 20070507-08; Santorini Island(GR) >Experimental Analysis on Time-Triggered Power Consumption Measurement with DVS-Enabled Multiple Power Domain Platform
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Experimental Analysis on Time-Triggered Power Consumption Measurement with DVS-Enabled Multiple Power Domain Platform

机译：启用了DVS的多电源域平台的时间触发功耗测量的实验分析

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摘要

Recently, the battery and low-power H/W technologies for mobile and wearable computing devices have been advanced rapidly. But on the other hand the computation and communication demands of the embedded applications are increasing more rapidly. Therefore, the application developers are still required to develop their codes to utilize the available energy as efficient as possible. The provision of software power measurement with reasonable accuracy, consistency and low overhead is an indispensable factor for software power engineering. In this paper, we present a time-triggered mechanism for providing energy consumption profiles in the level of C functions. The similar mechanisms have already been introduced at the previous researches such as PowerScope and Epro. Instead, we, in this paper, introduce our efforts to extend these researches to incorporate power domains and DVS(Dynamic Voltage Scaling), then interpret these mechanisms as the view of time-triggered approach for better understanding to the relationships among timer interrupt, context switching, DAQ triggering, multi-channel DAQ delay, and etc. From our experimental results, we could conclude that the time-triggered approach for the function level energy measurement properly worked with low overheads and produced consistent energy consumption profiles on the DVS-applied program codes running upon the platforms supporting multiple power domains.
机译：近来，用于移动和可穿戴计算设备的电池和低功率硬件技术已得到快速发展。但是另一方面，嵌入式应用程序的计算和通信需求正在迅速增长。因此，仍然要求应用程序开发人员开发其代码以尽可能有效地利用可用能量。提供具有合理准确性，一致性和低开销的软件功率测量是软件功率工程必不可少的因素。在本文中，我们提出了一种时间触发机制，用于提供C函数级别的能耗曲线。在以前的研究中，例如PowerScope和Epro，已经引入了类似的机制。相反，在本文中，我们介绍了将这些研究扩展到电源域和DVS（动态电压缩放）的方法，然后将这些机制解释为时间触发方法的观点，以更好地理解计时器中断，上下文之间的关系。从我们的实验结果，我们可以得出结论，功能级别的能量测量的时间触发方法可以在低开销的情况下正常工作，并且在应用DVS的情况下产生一致的能耗曲线在支持多个电源域的平台上运行的程序代码。

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