Runtime Monitor for Hardware Monitoring Optimization
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Solution Overview
Problem
Hardware monitoring on computing devices is limited in flexibility and efficiency, as it can only monitor a small portion of memory addresses and instructions, leading to resource overhead and inefficiencies in handling varying workloads and software behavior.
Innovation Solution
A runtime monitor acts as a middle layer between the hardware monitoring engine and resources, dynamically optimizing hardware monitoring by identifying non-optimal event patterns and applying transformations such as relocation, restructuring, or adding instructions to improve monitoring performance without altering the process's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If hardware monitoring is used to monitor code execution and data access, then monitoring precision and reliability are improved, but flexibility and coverage are reduced
Solution Approach 1:
The patent introduces a runtime monitor as an intermediary layer between the hardware monitoring component and the process being monitored. This runtime monitor dynamically determines monitoring configuration parameters, allowing the hardware monitoring component to maintain its precise low-level monitoring capabilities while the runtime monitor provides flexibility by adapting monitoring parameters based on process behavior analysis, thereby resolving the contradiction between monitoring precision and flexibility
Solution Approach 2:
The patent implements dynamic monitoring configuration where the runtime monitor continuously analyzes process behavior and adjusts monitoring parameters in real-time. The hardware monitoring component transitions from static configuration to dynamic reconfiguration, enabling it to maintain precision for specific monitored targets while adapting to different monitoring scenarios and process states, thus resolving the flexibility limitation
2Measurement precision
If hardware monitoring component monitors a limited portion of memory addresses and instructions, then monitoring precision for targeted areas is improved, but monitoring coverage is reduced
Solution Approach 1:
The patent segments the monitoring function into two parts: the hardware monitoring component handles precise monitoring of specific memory addresses and instructions, while the runtime monitor manages overall monitoring strategy and coordinates multiple monitoring targets. This segmentation allows the hardware component to maintain precision for individual targets while the system as a whole achieves broader coverage through coordinated monitoring of multiple segments
3Measurement precision
If hardware monitoring is configured for specific memory addresses and instruction types, then monitoring precision is improved, but resource overhead increases when handling varying workloads
Solution Approach 1:
The patent implements dynamic parameter changes by having the runtime monitor analyze process behavior and adjust monitoring configuration parameters such as memory address ranges, instruction types, and monitoring frequency based on actual workload characteristics. This allows the hardware monitoring component to maintain precision for relevant targets while reducing monitoring intensity or scope during low-risk periods, thereby resolving the contradiction between monitoring precision and resource overhead
Data Source
AI summary
Various aspects provide systems and methods for optimizing hardware monitoring on a computing device. A computing device may receive a monitoring request to monitor a portion of code or data within a process executing on the computing device. The computing device may generate from the monitoring request a first monitoring configuration parameter for a first hardware monitoring component in the computing device and may identify a non-optimal event pattern that occurs while the first hardware monitoring component monitors the portion of code or data according to the first monitoring configuration parameter. The computing device may apply a transformation to the portion of code or data and reconfigure the first hardware monitoring component by modifying the first monitoring configuration parameter in response to the transformation of the portion of code or data.