New article in Embedded Computing Design: Integrate dynamic voltage and frequency scaling into instruction-accurate virtual platforms.
In embedded systems, extra-functional requirements, such as power consumption, have been increasing in importance. In a cooperative effort between OFFIS and Imperas Software, the Open Virtual Platforms (OVP) technology has been equipped with support to express and execute dynamic voltage and frequency scaling (DVFS) compatible power models. Software on the virtual platform can access the actual power consumption and perform power management through DVFS. The technology has been successfully demonstrated for an ARM-based multi-core platform, running a synthetic bare-metal DVFS test application and Linux power management.
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