Inventor

URQUHART ROBERT JOHN

US74 patents

⚠️ This page may combine multiple inventors who share the name “URQUHART ROBERT JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

URQUHART ROBERT JOHN

IBM

Process and system for merging trace data for primarily interpreted methods

Method and system for merging event-based data and sampled data into postprocessed trace output

Method and system for autonomic monitoring of semaphore operation in an application

Method and apparatus for counting instruction and memory location ranges

Apparatus and method for dynamic instrumenting of code to minimize system perturbation

Method, apparatus and computer program product for efficient, large counts of per thread performance events

Method, apparatus and computer program product for efficient per thread performance information

System and method for injecting hooks into Java classes to handle exception and finalization processing

Method and system for low-overhead measurement of per-thread performance information in a multithreaded environment

System and method for providing trace information

Method and apparatus for benchmarking byte code sequences

System and method for multi-phased performance profiling of single-processor and multi-processor systems

System and method for enabling software monitoring in a computer system

Method and apparatus for optimizing code execution using annotated trace information having performance indicator and counter information

Computer program product for utilizing fast polygon fill routines in a graphics display system

Method and apparatus for determining computer program flows autonomically using hardware assisted thread stack tracking and cataloged symbolic data

Method and apparatus for qualifying collection of performance monitoring events by types of interrupt when interrupt occurs

Apparatus and method for dynamic instrumenting of code to minimize system perturbation

Method and system for instruction tracing with enhanced interrupt avoidance

Method and apparatus for autonomically initiating measurement of secondary metrics based on hardware counter values for primary metrics

Method and apparatus for autonomic test case feedback using hardware assistance for code coverage

Apparatus and method for autonomic hardware assisted thread stack tracking

Method and apparatus for counting instruction execution and data accesses

Method and system for instruction tracing with enhanced interrupt avoidance

Method and apparatus for providing hardware assistance for code coverage

Method and apparatus for providing hardware assistance for data access coverage on dynamically allocated data

Autonomic method and apparatus for counting branch instructions to generate branch statistics meant to improve branch predictions

Method and apparatus for counting instruction execution and data accesses for specific types of instructions

Method and system for autonomic performance improvements in an application via memory relocation

Method and apparatus for autonomically moving cache entries to dedicated storage when false cache line sharing is detected

Method and apparatus for identifying false cache line sharing

Method and apparatus for analyzing idle states in a data processing system

Method and apparatus for verifying data types to be used for instructions and casting data types if needed

Method and apparatus for adaptive tracing with different processor frequencies

General event stamping scheme

System and method for enabling software monitoring in a computer system

Z buffer initialize and update method for pixel block

Method and system for autonomic execution path selection in an application

Method and apparatus for counting execution of specific instructions and accesses to specific data locations

Autonomic test case feedback using hardware assistance for code coverage

System and method for collecting a plurality of metrics in a single profiling run of computer code

Instruction profiling using multiple metrics

Method and apparatus for averaging out variations in run-to-run path data of a computer program

Method and apparatus for identifying differences in runs of a computer program due to code changes

Method for automatic detection of build regressions

Method and apparatus for autonomic test case feedback using hardware assistance for data coverage

DEWITT JR JIMMIE EARL

Counting instruction and memory location ranges

Autonomic method and apparatus for hardware assist for patching code

Counting instruction execution and data accesses

INT MACHINES CORP

Method and apparatus for structured profiling of data processing systems and applications