GILK: A Dynamic Instrumentation Tool for the Linux Kernel

This paper describes a dynamic instrumentation tool for the Linux Kernel which allows a stock Linux kernel to be modified while in execution, with instruments implemented as kernel modules. The Intel x86 architecture poses a particular problem, due to variable length instructions, which this paper a...

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Bibliographische Detailangaben
Hauptverfasser:	Pearce, David J., Kelly, Paul H. J., Field, Tony, Harder, Uli
Format:	Buchkapitel
Sprache:	eng
Schlagworte:	Applied sciences Computer science control theory systems Computer systems performance. Reliability Device Driver Exact sciences and technology Instrument Function Interarrival Time Kernel Module Kernel Space Software Software engineering
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	This paper describes a dynamic instrumentation tool for the Linux Kernel which allows a stock Linux kernel to be modified while in execution, with instruments implemented as kernel modules. The Intel x86 architecture poses a particular problem, due to variable length instructions, which this paper addresses for the first time. Finally we present a short case study illustrating its use in understanding i/o behaviour in the kernel. The source code is freely available for download.
ISSN:	0302-9743 1611-3349
DOI:	10.1007/3-540-46029-2_16