QoS Priority Manager for Dynamic Resource Allocation
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Solution Overview
Problem
Complexity in managing priority settings across various subsystems of a data processing system makes it difficult for developers to set appropriate priorities, leading to potential system performance issues due to resource contentions and lack of awareness about new priority classifications.
Innovation Solution
A holistic priority system with multiple quality of service classifications is introduced, using a priority manager and matrix to automate the setting of system priorities based on sensor-monitored conditions and relative priorities, allowing tasks to inherit and adjust priorities dynamically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple subsystem priority settings are manually configured, then system performance can be optimized, but developer complexity and difficulty in managing priorities increases
Solution Approach 1:
The patent introduces a holistic priority system that acts as an intermediary between application developers and multiple subsystem priority settings. This system automatically translates a single application task priority into appropriate priority settings across processor, I/O, memory, and other subsystems, eliminating the need for developers to manually configure each subsystem while optimizing overall system performance.
Solution Approach 2:
The priority management system performs self-service by automatically determining and applying appropriate priority settings across multiple subsystems based on the application's declared priority needs. The system monitors its own performance and dynamically adjusts priorities without requiring developer intervention or manual configuration of each subsystem.
2Productivity
If application developers set subsystem priorities, then resource allocation can be optimized, but developer workload and complexity increases
Solution Approach 1:
The holistic priority system provides a universal interface that handles multiple subsystem priority settings through a single application task priority declaration. This multi-functional approach allows the same priority setting mechanism to control processor scheduling, I/O operations, memory allocation, and other subsystems simultaneously, maintaining resource allocation efficiency while simplifying developer operations.
3Productivity
If new priority classifications are introduced, then system performance can be improved, but developer awareness and adoption decreases
Solution Approach 1:
The system performs self-service by automatically monitoring performance metrics and dynamically adjusting priority classifications without requiring developer awareness or manual intervention. The holistic priority system adapts to changing system conditions and automatically applies appropriate priority settings, eliminating the need for developers to know or configure specific priority classifications.
4Manufacturing precision
If manual priority configuration is required for each subsystem, then precise control is achieved, but time to configure and maintain priorities increases
Solution Approach 1:
The holistic priority system performs preliminary action by pre-configuring and automatically applying coordinated priority settings across multiple subsystems based on the application's declared needs. This eliminates the time-consuming process of manually configuring each subsystem individually while maintaining precise control over resource allocation and system performance.
Data Source
AI summary
In one embodiment, tasks executing on a data processing system can be associated with a Quality of Service (QoS) classification that is used to determine the priority values for multiple subsystems of the data processing system. The QoS classifications are propagated when tasks interact and the QoS classes are interpreted a multiple levels of the system to determine the priority values to set for the tasks. In one embodiment, one or more sensors coupled with the data processing system monitor a set of system conditions that are used in part to determine the priority values to set for a QoS class.