Memory Debug Interface for Targeted Log Capture and Retrieval
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Solution Overview
Problem
Debugging performance issues and errors in memory systems is challenging due to the complexity and density of these systems, as existing methods often require rigorous testing and lack clear information on the cause of errors, leading to resource-intensive and time-consuming troubleshooting.
Innovation Solution
A debug interface is provided that allows a host system to flexibly trigger logging and retrieval of debugging information using commands, enabling the memory system to store and filter specific data in a debug log, and later retrieve it based on host system parameters, enhancing diagnostic accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rigorous testing methods are used to debug memory systems, then debugging reliability is improved, but debugging time and resource consumption increase significantly
Solution Approach 1:
The patent implements preliminary action by pre-configuring debug logs to capture specific error information and performance data before actual debugging occurs. The memory system proactively collects and stores debugging information in structured formats, including error codes, operation contexts, and performance metrics, so that when debugging is needed, the information is already prepared and readily available, eliminating the need for time-consuming rigorous testing.
Solution Approach 2:
The patent introduces an intermediary mechanism - a dedicated debug log interface and structured logging system - that mediates between the complex memory system operations and the debugging process. This intermediary captures and organizes debugging information from various memory operations, providing a simplified interface for analysis without requiring direct engagement with the complex underlying memory architecture.
2Measurement precision
If detailed debugging information is collected from memory operations, then diagnostic accuracy is improved, but information processing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing debugging information into distinct, organized categories within the debug log structure. Different types of information - such as operation types, error codes, performance metrics, and contextual data - are segmented into separate fields and sections. This structured segmentation maintains high diagnostic accuracy by preserving detailed information while reducing processing complexity through organized, modular data presentation.
Solution Approach 2:
The patent utilizes parameter changes by implementing a structured debug log format with defined parameters and data types. The logging system transforms raw debugging data into standardized parameters with specific formats, ranges, and meanings. This parameterization approach maintains diagnostic accuracy through precise data representation while simplifying processing by providing a consistent, predictable data structure that can be efficiently parsed and analyzed.
Data Source
AI summary
Methods, systems, and devices for a debug interface between a host system and a memory system are described. The memory system may receive, from the host system, a first command triggering debug logging at the memory system. In response to the first command, the memory system may store debugging information in a debug log for a specific set of commands. For example, the debugging information stored by the memory system may be associated with one or more parameters indicated by the first command. The memory system may receive a second command, from the host system, requesting a portion of information from the debug log. The portion of information may include performance data, error information, or the like stored in the debug log (e.g., in response to the first command). The memory system may send the requested portion of information to the host system in response to the second command.