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ExtractCFG : a framework to enable accurate timing back annotation of C language source codeGoswami, Arindam 30 September 2011 (has links)
The current trend in embedded systems design is to move the initial
design and exploration phase to a higher level of abstraction, in order to tackle
the rapidly increasing complexity of embedded systems. One approach of
abstracting software development from the low level platform details is host-
compiled simulation. Characteristics of the target platform are represented in
a host-compiled simulation model by annotating the high level source code.
Compiler optimizations make accurate annotation of the code a challenging
task. In this thesis, we describe an approach to enable correct back-annotation
of C code at the basic block level, while taking compiler optimizations into
account. / text
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利用剖面織入技術偵測Java程式中的記憶體漏失 / Aspect-Based Instrumentation for Locating陳鉅秉, Chen,Ju-Bing Unknown Date (has links)
Despite the built-in garbage collector, Java programs can still suffer the memory leak problem resulted from the unhealthy programming style of retaining unwanted references. This paper presents an aspect-based tool for assisting programmers in locating such references to fix the problem. This tool, FindLeaks, utilizes an aspect to collect memory consumption statistics and object references created during a program’s execution and analyzes them for detecting memory leaks. The distinctive feature of FindLeaks is that it reports not only suspected classes of leaked objects but also where in the source the unwanted references were created. Besides, this paper also reports our experience with FindLeaks on three open source Java programs and how we enhanced it to lower its overhead.
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Rozvoj instrumentace programu při překladu / Development of Instrumentation during CompilationŠevčík, Václav January 2020 (has links)
The focus of this master's thesis is on the topic of instrumentation during the compilation process in the LLVM compiler. The tool enables to instrument memory accesses and functions. The instrumentation is realized through adding a novel pass to the LLVM's optimalization phase. Information about variables are managed by the created framework. The framework is linked with the program. The overhead of the instrumentation increases duration of the program by about 14 % in the case of switched off indirect addressing and 23 % in the case of switched on indirect addressing. The main benefit of the work is the possibility of easy instrumentation of the program which can even monitor operation of local variables through indirect addressing) and support multithread programs. The framework is part of Testos's tools where it provides automatic instrumentation in the Spectra tool.
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