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System resources quota techniques and tools for embedded Linux devices

Category: Software
Scope: 2 students completing 30 credits (20 weeks) each

Background
The most critical functionality for cameras used in surveillance systems is, in most cases, to always be able to deliver images. When using embedded network cameras it is therefore important that the image streaming functionality is not disturbed by other functionality running in the camera preventing images from be delivered.

In embedded devices, often with very limited CPU power and amount of RAM memory, it would be useful if critical functionality always could be guaranteed a certain amount of the system resources when needed, but at the same time without starving out all other functionality, i.e. use some sort of system resources quota.

Goals
Present tools and techniques for measuring and managing system resources usage on embedded Linux devices and find possible optimizations for Axis Network Video devices. The main steps of the thesis will be:

• Investigate what resources are critical for the system (CPU, RAM, Flash, internal bandwidth etc).
• Investigate suitable tools and techniques for measuring and managing system resource usage. If needed, adapt to Axis environment.
• Find usage scenarios with lots of possible resource usage, that will benefit from a system resources quota.
• Try the tools and techniques on Axis embedded network cameras.
• Make measurements and suggest and try optimizations.

More information
For more information, contact Fredrik Hugosson.

Application
See the application instructions before applying.

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