Exploiting hardware performance counters with flow and context sensitive profiling
Proceedings of the ACM SIGPLAN 1997 conference on Programming language design and implementation
Advanced Java bytecode instrumentation
Proceedings of the 5th international symposium on Principles and practice of programming in Java
A Java processor architecture for embedded real-time systems
Journal of Systems Architecture: the EUROMICRO Journal
Cross-Profiling for Embedded Java Processors
QEST '08 Proceedings of the 2008 Fifth International Conference on Quantitative Evaluation of Systems
Cache-aware cross-profiling for java processors
CASES '08 Proceedings of the 2008 international conference on Compilers, architectures and synthesis for embedded systems
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Performance evaluation of embedded software is essential in an early development phase so as to ensure that the software will run on the embedded device's limited computing resources. Prevailing approaches either require the deployment of the software on the embedded target, which can be tedious and may be impossible in an early development phase, or rely on simulation, which can be very slow. In this paper we present CProf, a customizable cross-profiler for embedded Java processors. It allows the developer to profile the embedded software in the host environment, completely decoupled from the target system, in a standard Java Virtual Machine, but the generated profiles represent the execution time metric of the target system. CProf enables calling context cross-profiling and customizable online processing of profiling data. Furthermore, it supports pluggable CPU cycle estimation and cache simulation strategies, easing the reconfiguration for different target processors. Using the Java Optimized Processor JOP as target, CProf's cross-profiles have only a small percent error below 3.3%.