A bluetooth low energy users guide for the launchpad kit is available on ti resource. Measure real power consumption, correlate it with software execution and make your code as efficient as the processor its running on. The energy probe requires a common ground between the probe and the target. This talk aims to give software guys enough specific hardware knowledge to set up. Between the processor itself and the final product shipping, many things can dramatically impact on energy consumption. Aep03kt0311a the easy way to create energy efficient software the arm energy probe is an easily deployable streamline accessory that collects voltage, current and power from up to three probe points in the system to enable software developers to optimize system energy consumption. Arm enables energyaware coding with the arm energy probe. It is not intended to be a highprecision data acquisition instrument for power benchmarking.
When paired with ds5 streamline the arm energy probe provides a simple and elegant solution for software optimization targeting energy efficiency. Arm ds5 using arm streamline energy probe overview. Designed to be a complete solution that delivers jtag and swd connectivity at a low cost, the xds110 is the debug probe of choice for entrylevel debugging of ti microcontrollers, processors and simplelink devices. I am trying to collect energy data from the stm32mp15 through an energy probe. Energy software free download energy top 4 download. Soc power measurement with arm energy probes and linux eap. Arm ds5 using arm streamline energy probe setup arm.
Energy probe issue no data prints on streamline arm. To capture energy data for streamline you must have either an energy probe or a supported nidaq device. The energy probe is designed to be a low impact, inexpensive solution to give application and system software developers quick feedback on the impact of their code on the system energy footprint. There are more accurate devices out there from more specialist vendors if you search for data acquisition tools you should find something, which can capture multiple different measurements in parallel. Provides instructional documentation for realtime, nonintrusive analysis of applications. Why is there no documentation about the arm energy probe. Arm provide an entrylevel power probe for ds5 streamline. Software guys cheatsheet for detailed power measurements on any soc using arm energy probes and linux summary. Msp432p4111 simplelink ultralowpower 32bit arm cortex. Aep03kt0311a arm, evaluation board, arm energy probe. Energy probe overview the energy probe is designed to be a low impact, inexpensive solution to give you quick feedback on the impact of your code on the system energy footprint. It then synchronizes the data with system performance metrics and the software execution trace. Arm enables energy aware coding with the arm energy probe and ds5 toolchain february 28, 2012 arm announced today at embedded world 2012 a new tools solution to promote widespread energy efficient software optimization across the linux and android communities. It is intended to provide a better understanding of the static and.
Arm energy probe integrates with streamline in arm development studio to help software developers optimize the energy efficiency of their applications. Aep03kt0311a is an arm energy probe easily deployable usb accessory that can sample voltage, current and power from up to three probe points in the system. Arm energy probe architecture three channels of 2 voltmeters each 0 30v range commonmode voltage 0 165mv range amplified x20 to increase sensitivity crossshunt voltage measurement to turn into current value, need to know rshunt. Software is ultimately responsible for energy efficiency. When you have attached the energy probe correctly, the led remains green. Buy aep03kt0311a arm evaluation board, arm energy probe, current voltagepower measurement, 3 channel at element14. Aep03kt0311a arm evaluation board, arm energy probe. You can then correlate power draw directly to your application and the whole system. To capture energy data for arm streamline you must have either an energy probe or a supported ni daq device. You need to purchase the arm energy probe and have it connected up to your target and also to configure streamline to use it in order to use any powerrelated counters. In the first part of the presentation, he gives an overview of electronics basics with definition of voltage, load, current and power, units used for power measurements clue.
The arm processor processor technology stands out due to the indisputable energy. You can dig much deeper on the whole system using ds5 streamline and if you want to monitor power utilization with a physical probe, you can use the arm energy probe connected to any number of power rails including, simply, the battery terminals. They can monitor up to three voltage rails simultaneously. Contribute to arm software lisa development by creating an account on github. The voltage drop on the resistor must be at most 165 mv. The probe does not depend on additional incircuit emulators or trace units and can monitor up to three power rails simultaneously. On the host machine, install the libudevdev package and add your username to the dialout group.
Arm development studio streamline performance analyzer. Over the next few months we will be adding more developer resources and documentation for all the products and technologies that arm provides. Energy software free download energy top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. I configure it on streamline, i can see the ttyacm0 but no data appears when i launch the capture. In our pc workstation, weve got vwware workstation and it seems that there is an issue with the vmware usb daemon services because when i stop it, my arm energy probe is recognised. The arm processor processor technology stands out due to the indisputable energy efficiency. This is the probe used at linaro for power measurement, and andy explains in details how to add 3 probes to the pandaboard by soldering shunts at strategic locations on the board, headers for the probes, etc the final result looks like that. The xds110 is the latest entry level debug probe emulators for ti embedded processors. Arm announced today at embedded world 2012 a new tools solution to promote widespread energy efficient software optimization across the linux and android communities. Arm streamline performance analyzer user guide version 7. Hello joe, after some time spent on another project, i made a second research about my problem and found the issue.
Arm s developer website includes documentation, tutorials, support resources and more. A shunt resistor to be connected between the voltage rail and the probe. Provides the source code to the collection agent, enabling the addition of hardware performance counters for your own system ip and visualizations for nonarm systems. Linux arm power management on the nvidia jetson platform. Energy management software free download energy management top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. The arm streamline performance analyzer, part of the arm development studio 5 ds5 toolchain, provides a view on the observed system from different angles from the process scheduler behaviour to energy consumption of the hardware measured by the external arm energy probe. Disconnect all energy probe probes and wait until the led turns green, then reattach one by one making sure to reverse the polarity on any probe that results in the led turning red. Cc3200 simplelink wifi and internetofthings solution, a singlechip wireless mcu datasheet rev. Soc power measurement with arm energy probes and linux eap tools. Current is a measure of electrons flowing through the circuit its measured in ampere. It is intended to provide a better understanding of the static and dynamic behavior of the target system for the purposes. Contribute to armsoftwarecaiman development by creating an account on github. If you are planning to use arm energy probes to collect power measurements, you may need to perform one or more of these actions.
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